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Electric-welded stainless pipes in accordance with GOST 11068 81. Electric-welded pipes made of corrosion-resistant steel. Marking, packaging, transportation and storage

STATE STANDARD OF THE UNION OF SSR

By the decree of the USSR State Committee for Standards dated October 20, 1981 No. 4629, the date of introduction was established

01.01.83

The limitation of the validity period was lifted according to the protocol of the Interstate Council for Standardization, Metrology and Certification (IUS 2-93)

State name

The name of the construction management body

The Republic of Azerbaijan

Azgosstandart

Republic of Armenia

Armgosstandart

Republic of Belarus

State Standard of Belarus

The Republic of Kazakhstan

Gosstandart of the Republic of Kazakhstan

Republic of Kyrgyzstan

Kyrgyzstandard

The Republic of Moldova

Moldovastandart

The Russian Federation

Gosstandart of Russia

The Republic of Tajikistan

Tajikgosstandart

Turkmenistan

Main State Inspectorate of Turkmenistan

The Republic of Uzbekistan

Uzgosstandart

State Standard of Ukraine

This standard applies to electrically welded pipes made of corrosion-resistant (stainless) steels intended for the manufacture of pipelines and various structures.

1. VARIETY

1.1. The dimensions of the pipes must correspond to those indicated in table. ...

Table 1

Limit deviation

Pipe dimensions, mm

Limit deviation

Normal Accuracy

Increased accuracy

Normal Accuracy

Increased accuracy

Outside diameter:

Wall thickness:

± 0.30 mm

± 0.20 mm

from 0 , 8 to 2

± 0.20 mm

± 0.15 mm

St. 20 to 35

± 0.35 mm

± 0.25 mm

± 0.25 mm

± 0.20 mm

± 1,0 %

± 0,75 %

± 10 %

± 10 %

(Modified edition, Amendment No. 2).

At the request of the consumer, pipes with dimensions 38´ 1.5 and 43 ´ 1.5 mm are made with maximum deviations in the outer diameter of mm.

1.1 - 1.4.

1.5. The ovality and wall thickness of the pipes should not take the dimensions of the pipes beyond the maximum deviations, respectively, in terms of diameter and wall thickness.

1.6. The straightness tolerance of pipes should not exceed 1.5 mm per 1 m of length.

Legend examples

Pipe, with an outer diameter of 25 mm and a wall thickness of 2 mm, of unmeasured length, made of steel grade 08X18H10T:

Pipe 25 ´ 2 - 08X18H10T GOST 11068-81

The same, with a length multiple of 2000 mm:

Pipe 25 ´ 2 ´ 2000 cr - 08X18H10T GOST 11068-81

The same, measured length 6000 mm:

Pipe 25 ´ 2 ´ 6000 - 08X18H10T GOST 11068-81

The same, with increased manufacturing accuracy:

Pipe 25P ´ 2P´ 6000 - 08X18H10T GOST 11068-81

For heat-treated pipes, the letter T is placed after the word pipe.

2. TECHNICAL REQUIREMENTS

2.1. Pipes are manufactured in accordance with the requirements of this standard according to technological regulations, approved in the prescribed manner, from steel grades 10X18H10T and 04X17T with the chemical composition indicated in table. , and steel grades 08Х18Н10Т, 08Х18Т1, 08 X 18 H 10, 12X18H10T, 10X17H13M2T, 10Х17Н13М3Т, 08Х22Н6Т, 08Х21Н6М2Т, 06ХН28МДТ, 08Х17Н13М2Т, 03Х17Н14М3, 03Х18Н10Т with a chemical composition according to GOST 5632-72.

Table 3

Mass fraction of elements , %

Manganese

17, 0 - 19, 0

10, 0 - 11, 0

From 5 (C * -0 , 02) to 0 , 6

0, 020

0, 035

No more than 0 , 8

16, 5 - 18, 5

From 5 C * to 0 , 60

0, 025

0, 035

* Concentration of carbon in steel,%.

Notes:

1. Allowed deviation in the mass fraction of nickel up to minus 0.5%.

2. By agreement of the parties, it is allowed to clarify the chemical composition of the steels.

2.2 Pipes made of steels of grades 08X18H10T, 08X18T1, 10X18H10T, 12X18H10T, 04X17T are manufactured thermally treated with mechanical properties specified in table. 226 (23)

2.1, 2.2 (New edition, Amendment No. 2).

2.2.2. By agreement with the customer, pipes can be subjected to cold and warm deformation in the mill line.

(Introduced additionally, Amendment No. 2).

2.3. On the surface of the pipes, lack of penetration, pores, cracks, captivity, flaws, scale, traces of overgrazing are not allowed.

Scratches, traces of straightening, risks, traces of cleaning of defects are allowed if the pipe wall thickness does not exceed the maximum deviations, as well as discoloration resulting from heat treatment or welding.

By agreement with the consumer, it is allowed to supply pipes made of steels 08X18T1 and 04X17T with an oxide film on the surface formed as a result of heat treatment.

The pipes can be produced with a polished outer surface. The roughness is determined by agreement with the consumer.

On the outer surface of the pipes in the places of their contact with the gasket, areas of non-staining caused by the etching technology are allowed.

(New edition, Amendment No. 2).

2.4. The height of the inner bead must not exceed:

0.7 mm - for pipes of general purpose;

0.1 mm - for pipes used for the manufacture of tubular heating elements.

At the request of the consumer, general-purpose pipes with a nominal inner diameter of over 20 mm are made with a burr height of no more than 0.3 mm. The transition from the burr to the pipe walls should be smooth.

2.5. The ends of the pipes should be cut at right angles and deburred. Chamfering when deburring is allowed. At the request of the consumer, it is allowed to manufacture pipes with deburring and internal chamfering from one end, provided that the stripped ends are oriented in one direction.

At the request of the consumer, pipes are made cut in the mill line.

(New edition, Amendment No. 2).

2.6. For chemical engineering, chemical industry, and at the request of the consumer for other industries, heat-treated pipes of their steels of grades 08X18H10T, 10X18H10T, 10X17H13M2T, 10X17H13M3T, 08X22H6T, 08X21H6M2T, 06XH28MDT must withstand the intercrystalline corrosion test.

2.7. Pipes made of steels of grades 08X18H10T, 10X18H10T must withstand the flattening test to a distance ( N) between flattening planes in millimeters, calculated by the formula

where S n - nominal pipe wall thickness, mm;

D n - nominal outer diameter of the pipe, mm.

At the request of the consumer for pipes with a ratioS n / D n , equal to 0.04 or more, distance N should not be more than 1/3D n.

Heat-treated pipes of other steel grades must withstand the flattening test up to a distance N equal to 1/2 of the outer diameter.

Pipes without heat treatment shall withstand the flattening test up to a distance N equal to 2/3 of the outer diameter.

(New edition, Amendment No. 2).

2.8. At the request of the consumer, heat-treated pipes must withstand the following tests:

expansion tests before increasing the outer diameter:

by 12% - for pipes of steel grades 08X18H10T, 08X18T1, 08X18H10, 12X18H10T, 10X18H10T, 04X17T, 03X18H10T, 08X17H13M2T, 03X17H14M3;

by 6% - for pipes made of other steel grades.

By agreement of the parties, pipes made of steels of grades 08X18T1, 10X18H10T, 12X18H10T must withstand the expansion test by 15%;

bead test until the width of the bend is bent, measured from the inner surface of the pipe, equal to 1.5 wall thickness (bead test is carried out on pipes with a diameter of at least 25 mm; bead angle 90° );

bend test (the bend radius is set by agreement between the manufacturer and the consumer).

(New edition, Amendment No. 2).

2.9. At the request of the consumer, the grain size of the metal of finished pipes made of steel grade 10X18H10T and 12X18H10T should be 3 - 7 points.

2.10. Pipes must withstand a test hydraulic pressure of 6 MPa (60 kgf / cm 2) or non-destructive testing of the continuity of the welded seam.

At the request of the consumer, the pipes must withstand the hydraulic pressure ( R 1) in accordance with the requirements of GOST 3845-75, but not more than 20 MPa (200 kgf / cm 2). In this case, the permissible stress in the pipe wall is taken equal to 40% of the ultimate tensile strength.

3. RULES OF ACCEPTANCE

3.1. Pipes are accepted in batches. A batch should consist of pipes of the same size in diameter and wall thickness, one steel grade, one type of heat treatment and be accompanied by one quality document in accordance with GOST 10692-80.

The number of pipes in a batch should be no more than:

500 pcs. - with a diameter of up to 30 mm;

300 pcs. - with a diameter over 30 mm.

3.2. The chemical composition of the steel is taken according to the document on the quality of the original coil steel. In case of disagreement in the assessment of the chemical composition, one pipe from the batch is selected for verification.

3.3. Each pipe in a batch is subject to surface quality and dimensional checks, as well as hydraulic pressure or non-destructive testing of pipes.

At the request of the consumer, when testing the welded seam of pipes by non-destructive methods, an additional hydraulic pressure test is carried out from 10 to 100% of the pipes of the batch.

(Modified edition, Amendment No. 1).

3.4. To check the height of the internal burr, 2% of the pipes from the batch are taken.

3.5. For tensile testing, intergranular corrosion, expansion, beading, bending, flattening, two pipes are taken from the batch. To determine the grain size, one pipe is taken from the batch.

Determination of the yield point of the metal is carried out at the request of the consumer.

3.6. Upon receipt of unsatisfactory test results for at least one of the indicators for it, repeated tests are carried out on a double number of pipes selected from the same batch.

Retest results apply to the entire batch.

4. TEST METHODS

4.1. One sample is cut from each selected pipe for each type of test.

4.2. Chemical analysis is carried out in accordance with GOST 12344-88, GOST 12346-78, GOST 12347-77, GOST 12348-78, GOST 12349-83, GOST 12350-78, GOST 12351-81, GOST 12352-81, GOST 12353-78, GOST 12354-81, GOST 12355-78, GOST 12356-81, GOST 12365-84 or GOST 28473-90,

wall thickness, wall thickness and height of the internal burr - with a micrometer in accordance with GOST 6507-90 or a wall gauge in accordance with GOST 11358-89. The measurement of the height of the inner burr is carried out at a distance of up to 25 mm from the ends of the pipes, and the outer diameter is at least 15 mm from the ends of the pipes.

It is allowed to control the length, outer diameter and wall thickness of pipes by automatic means according to regulatory documents. In case of disagreement in the assessment of the measurement results, control is carried out using the measuring instruments listed above.

(Modified edition, Amendments No. 1, 2).

4.5. The grain size is determined by the base metal in accordance with GOST 5639-82. In this case, pipes are not tested for intergranular corrosion.

4.6. Sampling and intergranular corrosion testing are carried out in accordance with GOST 6032-89. In case of disagreement in the assessment of the results, the tests are carried out according to the method AM GOST 6032-89, except for pipes made of steel grade 06ХН28МДТ.

(Modified edition, Amendment No. 1).

4.7. The tensile test is carried out in accordance with GOST 10006-80 on a longitudinal short sample (in the form of a strip with a seam or a pipe segment). The test speed up to the yield point should be no more than 10 mm / min, beyond the yield point - no more than 40 mm / min.

4.8. The hydraulic test is carried out in accordance with GOST 3845-75 with holding under pressure for at least 5 s.

4.9. The extension test is carried out in accordance with GOST 8694-75 on a mandrel with a taper of 30 °.

4.10. The test for boarding is carried out in accordance with GOST 8693-80.

4.11. The flattening test is carried out in accordance with GOST 8695-75 with the horizontal position of the weld. At the request of the consumer, the test should be carried out at two positions of the weld: horizontally and vertically.

(Modified edition, Amendment No. 2).

4.12. The bend test is carried out in accordance with GOST 3728-78.

4.13. Non-destructive quality control of the weld is carried out in accordance with the regulatory documentation.

4.14. The right angle for cutting pipe ends is not controlled and is determined by the design of the pipe cutting equipment.

(Introduced additionally, Amendment No. 1).

5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE

5.1. Marking, packaging, transportation and storage - in accordance with GOST 10692-80.

(Modified edition, Amendment No. 1).

5.2. (Deleted, Amendment No. 2).


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INTERSTATE STANDARD

ELECTRIC WELDED PIPES FROM
CORROSION RESISTANT STEEL

Technical conditions

IPK PUBLISHING STANDARDS

Moscow

INTERSTATE STANDARD

By the decree of the USSR State Committee for Standards dated October 20, 1981 No. 4629, the date of introduction was established 01.01.83

The limitation of the validity period was lifted according to the protocol of the Interstate Council for Standardization, Metrology and Certification (IUS 2-93)

This standard applies to electrically welded pipes made of corrosion-resistant (stainless) steels intended for the manufacture of pipelines and various structures.

(Modified edition, Amendment No. 2).

1. VARIETY

1.1. The dimensions of the pipes must correspond to those indicated in table. one.

Table 1

Outside diameter, mm

Wall thickness

Notes:

1. Pipe sizes in parentheses are not recommended when designing new facilities.

2. The theoretical mass of 1 m of pipes ( T), kg, is calculated by the formula

where D n is the nominal outer diameter of the pipe, mm;

s n - nominal pipe wall thickness, mm;

γ is the density of the metal, g / cm 3, depending on the steel grade:

08X18H10T, 10X18H10T, 12X18H10T, 03X18H10T, 08X18H10 - 7.9;

08X21H6M2T - 7.85;

10Х17Н13М2Т, 10Х17Н13М3Т, 03Х17Н13М2Т, 03Х17Н14М3 - 8.0;

06XN28MDT - 7.95;

04X17T, 08X18T1 - 7.72.

3. Pipes made of steels of grades 08X18T1 and 04X17T are manufactured with a wall thickness of up to 2.0 mm.

4. By agreement between the manufacturer and the consumer, pipes can be produced: of intermediate dimensions with tolerances in diameter and wall thickness of nearby large dimensions; from corrosion-resistant steels of the best grades; with mixed or one-sided outer diameter tolerances. The value of the field of an offset or one-sided tolerance should not exceed the sum of two-sided deviations.

(Modified edition, Amendment No. 2).

1.2. Along the length of the pipe should be made:

measured length - from 5 to 9 m;

measured length with the remainder - no more than 10% (by mass) of pipes of unmeasured length;

multiple gauge length - up to 9 mm with an allowance for each cut of 5 mm (if another allowance is not specified in the order), which is included in each multiple length;

multiple length with the remainder - no more than 10% (by weight) of pipes of unmeasured length;

off-gauge length - from 1.5 to 9 m.

1.3. Limit deviations along the length of pipes of measured and multiple length should not exceed +15 mm.

1.2, 1.3 (Modified edition, Amendment No. 1).

1.4. Limit deviations for the outer diameter and wall thickness are shown in table. 2.

table 2

Pipe dimensions, mm

Limit deviation

Pipe dimensions, mm

Limit deviation

Normal Accuracy

Increased accuracy

Normal Accuracy

Increased accuracy

Outside diameter:

Wall thickness:

from 0.8 to 2

St. 20 to 35

At the request of the consumer, pipes with dimensions of 38´1.5 and 43´1.5 mm are made with maximum deviations in the outer diameter of mm.

1.4(Modified edition, Amendments No. 1, 2).

1.5. The ovality and wall thickness of the pipes should not take the dimensions of the pipes beyond the maximum deviations, respectively, in terms of diameter and wall thickness.

1.6. The straightness tolerance of pipes should not exceed 1.5 mm per 1 m of length.

Legend examples

Pipe, with an outer diameter of 25 mm and a wall thickness of 2 mm, of unmeasured length, made of steel grade 08X18H10T:

Pipe 25 ´2 - 08X18H10T GOST 11068-81

The same, with a length multiple of 2000 mm:

Pipe 25 ´2´2000 cr - 08X18H10T GOST 11068-81

The same, measured length 6000 mm:

Pipe 25 ´2´6000 - 08X18H10T GOST 11068-81

The same, with increased manufacturing accuracy:

Pipe 25P´2П´6000 - 08X18H10T GOST 11068-81

For heat-treated pipes, the letter T is placed after the word pipe.

2. TECHNICAL REQUIREMENTS

2.1. Pipes are manufactured in accordance with the requirements of this standard according to technological regulations, approved in the prescribed manner, from steel grades 10X18H10T and 04X17T with the chemical composition indicated in table. 3, and steel grades 08X18H10T, 08X18T1, 08X18H10, 12X18H10T, 10X17H13M2T, 10X17N13M3T, 08X22H6T, 08X21H6M2T, 06XH28MDT, 08X17H13M2T, 03X17H14M3, 03X17H14M3, 03X18-72N10T with chemical composition GOST.

Table 3

Steel grade

Mass fraction of elements,%

Manganese

From 5 (C * -0.02) to 0.6

No more than 0.8

From 5 C * to 0.60

* Concentration of carbon in steel,%.

Notes:

1. Allowed deviation in the mass fraction of nickel up to minus 0.5%.

2. By agreement of the parties, it is allowed to clarify the chemical composition of the steels.

2.2 Pipes made of steels of grades 08X18H10T, 08X18T1, 10X18H10T, 12X18H10T, 04X17T are manufactured thermally treated with mechanical properties specified in table. 4. Mechanical properties of pipes made of steel 08X18T1 and 04X17T for wall thicknesses exceeding 1.5 mm are established by agreement of the parties.

Table 4

Steel grade

Ultimate strength σ in, N / mm 2 (kgf / mm 2)

Yield strength σ t, N / mm 2 (kgf / mm 2)

Elongation δ 5,%

10X18H10T, 12X18H10T

2.1, 2.2 (Modified edition, Amendment No. 2).

2.2.1. Pipes from other grades of steel specified in clause 2.1 are manufactured thermally treated, and at the request of the consumer without heat treatment; in this case, the mechanical properties are established by agreement between the manufacturer and the consumer.

The number of pipes in a batch should be no more than:

500 pcs. - with a diameter of up to 30 mm;

300 pcs. - with a diameter over 30 mm.

3.2. The chemical composition of the steel is taken according to the document on the quality of the original coil steel. In case of disagreement in the assessment of the chemical composition, one pipe from the batch is selected for verification.

3.3. Each pipe in a batch is subject to surface quality and dimensional checks, as well as hydraulic pressure or non-destructive testing of pipes.

At the request of the consumer, when testing the welded seam of pipes by non-destructive methods, an additional hydraulic pressure test is carried out from 10 to 100% of the pipes of the batch.

3.4. To check the height of the internal burr, 2% of the pipes from the batch are taken.

3.5. For tensile testing, intergranular corrosion, expansion, beading, bending, flattening, two pipes are taken from the batch. To determine the grain size, one pipe is taken from the batch.

Determination of the yield point of the metal is carried out at the request of the consumer.

3.6. Upon receipt of unsatisfactory test results for at least one of the indicators for it, repeated tests are carried out on a double number of pipes selected from the same batch.

Retest results apply to the entire batch.

4. TEST METHODS

4.1. One sample is cut from each selected pipe for each type of test.

4.2. Chemical analysis is carried out in accordance with GOST 12344-88, GOST 12346-78, GOST 12347-77, GOST 12348-78, or, or a micrometer in accordance with GOST 6507-90;

deviation from straightness - with a straight edge in accordance with GOST 8026-92 and a probe in accordance with a regulatory document;

wall thickness, wall thickness and height of the internal burr - with a micrometer in accordance with GOST 6507-90 or a wall gauge in accordance with GOST 11358-89. The measurement of the height of the inner burr is carried out at a distance of up to 25 mm from the ends of the pipes, and the outer diameter is at least 15 mm from the ends of the pipes.

It is allowed to control the length, outer diameter and wall thickness of pipes by automatic means according to regulatory documents. In case of disagreement in the assessment of the measurement results, control is carried out using the measuring instruments listed above.

On a longitudinal short specimen (in the form of a strip with a seam or a pipe segment). The test speed up to the yield point should be no more than 10 mm / min, beyond the yield point - no more than 40 mm / min.

4.13. Non-destructive quality control of the weld is carried out in accordance with the regulatory documentation.

4.14. The right angle for cutting pipe ends is not controlled and is determined by the design of the pipe cutting equipment.

(Introduced additionally, Amendment No. 1).

5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE

5.1. Marking, packaging, transportation and storage - in accordance with GOST 10692-80.

(Modified edition, Amendment No. 1).

5.2 (Deleted, Amendment No. 2).

Amendment No. 2 was adopted by the Interstate Council for Standardization, Metrology and Certification (Minutes No. 10 of 03.10.96)

State name

The name of the construction management body

The Republic of Azerbaijan

Azgosstandart

Republic of Armenia

Armgosstandart

Republic of Belarus

State Standard of the Republic of Belarus

The Republic of Kazakhstan

Gosstandart of the Republic of Kazakhstan

Republic of Kyrgyzstan

Kyrgyzstandard

The Republic of Moldova

Moldovastandart

the Russian Federation

Gosstandart of Russia

The Republic of Tajikistan

Tajikgosstandart

Turkmenistan

Glavgosinspektsiya "Turkmenstandartlary"

The Republic of Uzbekistan

Uzgosstandart

State Standard of Ukraine

Assortment and limit deviations of pipe sizes
Outer diameter, mm Wall thickness, mm32x2.5;
08-12X18H10T; GOST 11068–81
Limit deviations for normal manufacturing accuracy
diameterwall thickness
8; 9 1.0; 1.2 +0.3 +0.20 for t
10 1.0; 1.2 + 0.25 * +0.15 *
11; 12; 13; 14; 15 1.0; 1.2; 1.4; 1.5; + 0.35 +0.25 for
1.8 + 0.30 * t = 2Ў3 mm
16; 17; 18; 19; 20 1.0 - 1.8; 2.0; 2.2 +0.20 *
22; 25; 1.0 - 2.2; 2.5
28; 30; 1.2 - 3.2
32; 33; 34; 35 1.2 - 3.2+ 1.0% + 10% for t> 3mm
36; 38; 40; 42; 45; 0.9% *
48; 50; 51; 53; 55; 1.4 - 3.2
57; 60; 63; 65; 70; 1.4 - 4.0
76; 83; 89; 102 1.8 - 4.0

* - increased accuracy

The length of the pipe is supplied:

  • off-gauge length from 1.5 to 9 m;
  • dimensional from 5 to 9 m;
  • multiple of the measured within the unmeasured one, with an allowance for each cut of 5 mm (if another is not specified).

In a batch of pipes of unmeasured length, 5% of pipes not shorter than 0.5m are allowed.

Overall length tolerances are + 15mm.

Ovality and difference in wall thickness should not deduce the size of the pipes beyond their maximum deviations.

The curvature of any section of the pipe for 1 m should not exceed 1.5 mm.

Technical requirements

The pipes are delivered in a heat-treated state.

At the request of the consumer, without heat treatment.

Pipes are made of corrosion-resistant steels, the chemical composition of which must comply with GOST 5632-72.

Steel grades 10Kh17N13M2T, 10H17No.13M3T, 08H22No6T, 12H21No5T, 10Kh17N13M3T, 08Kh22N6T, 12Kh21N5T, 06KHN28MT, 06KHN28MDT are used by agreement between the manufacturer and the consumer.

The ends of the pipes should be cut at right angles and deburred.

The height of the inner bead must not exceed 0.7 mm. At the request of the consumer, pipes DvnЄ20 mm are supplied with an internal burr with a height of no more than 0.3 mm.

At the request of the consumer, pipes must be subjected to one or two types of tests listed below:

  • flattening - by the value Н = 1/2 Dн for heat-treated pipes and H = 2/3 Dн for pipes without heat treatment;
  • distribution - on a mandrel with a taper of 1:10 for heat-treated pipes until the outer diameter increases by 10% -12%;
  • beading at an angle of 90 ° for heat-treated pipes DнЄ25 mm. The width of the bead from the inner surface of the pipe must be at least 1.5 S;
  • bend - the bend radius is taken in accordance with GOST 9842–61 by agreement of the parties.

Pipes tested for beading are not subject to expansion tests.

The pipes must withstand a hydraulic pressure test equal to 6 MPa.

At the request of the consumer, the pressure can be increased, but should not exceed the value determined by the formula GOST 3845-72 (but not more than 20 MPa).

At 100% control of the weld by non-destructive physical methods, hydrotesting is performed selectively.

At the request of the consumer, heat-treated pipes must withstand the intergranular corrosion test.

Pipes made of steel 10X18H10T are supplied with a guaranteed grain size in the range of 3–7 points. In this case, control at the MCC is not carried out.

  • 26.10.2019 at 12:15 Enterprise LLC "Micron-Marine" will acquire:
    Seamless stainless steel pipes Ø345x30 (32); Ø351x30 (32); Ø377x40 (45), (48)
    Stainless steel pipes, electric-welded Ø345x30 (32); Ø351x30 (32); Ø377x40 (45), (48) length: 1110 steel: St.20X13.30X13, (analogs) in accordance with GOST, TU, in the following volume: 1 piece

    Customer wishes: You can help with the supply of stainless steel. pipes St.20X13.30X13, (analogs) in accordance with GOST, TU…. standard sizes: Ø345x30 (32); Ø351x30 (32); Ø377x40 (45), (48) .... Clean. size Ø340хØ300х1110 details. -1 PC. Thanks in advance for your prompt reply. reply to the application

  • 23.10.2019 at 13:30 Enterprise OOO Spetsstal will acquire:
    Stainless steel pipes, electric-welded 273х5-8
    Seamless stainless steel pipes 273х5-8 length: 1.7 steel: AISI310S, in the following volume: 1 piece
    reply to the application
  • 10/22/2019 at 12:20 Organization (contact person: Alexander) wants to purchase:
    Stainless steel pipes, electric-welded 19.05х1.65 steel: EN 1.4404, in the following scope: 30 m3 / n

    Add-ons from the customer: We need pipes ss 19.05x1.65 EN 1.4404 (AISI 316L) mp 30 reply to the application

  • 22.10.2019 at 10:51 Enterprise LLC "REGINZHSTROY" wants to purchase:
    Stainless steel pipes, electric-welded D = 160x2.0 mm in the following volume: 15 m / n

    Add-ons from the customer: You need a ventilation pipe D = 160x2.0 mm length L = 15.0 m.p from stainless steel pcs 1 reply to the application

  • 21.10.2019 at 14:34 Organization (contact person: Evgeniya) wants to purchase:
    length: L = 300mm steel: V-20 GOST 8733-74 GOST 8734-75, in the following volume: 3 pcs Steel sheet, cold rolled 32x4 length: L = 100mm steel: V-20 GOST 8733-74 GOST 8734-75, in the following volume: 8 m2 Steel sheet, cold rolled 32x3.5 length: L = 100mm steel: V-20 GOST 8733-74 GOST 8734-75, in the following volume: 1 piece Steel sheet, cold rolled 25x3.5 length: L = 80mm steel: V-20 GOST 8733-74 GOST 8734-75, in the following volume: 4 pcs Steel sheet, cold rolled 14x3 length: L = 50mm steel: V-20 GOST 8733-74 GOST 8734-75, in the following volume: 3 pieces length: L = 100mm steel: AISI316L, in the following volume: 3 pieces Stainless steel pipes, electrowelded 33.7x2 length: L = 100mm steel: AISI 304L, in the following volume: 2 pieces

    Add-ons from the customer: Seamless cold-deformed steel pipes with external cylindrical pipe threads, 32x4 L = 300mm В-20 GOST 8733-74 pcs 3 Seamless cold-deformed steel pipes with external cylindrical pipe threads, 32x4 L = 100mm В-20 GOST 8733-74 pcs 8 Seamless cold-deformed steel pipes with external cylindrical pipe thread, 32x3.5 L = 100mm В-20 GOST 8733-74 pcs 1 Seamless cold-worked steel pipes with external cylindrical pipe threads, 25x3.5 L = 80mm В-20 GOST 8733-74 pcs 4 Seamless cold-deformed steel pipes with external cylindrical pipe thread, 14x3 L = 50mm V-20 GOST 8733-74 pcs 3 Pipes es nzh 33.7x2 L = 100mm AISI316L pcs 3 Pipes es nzh 33.7x2 L = 100mm AISI 304L pcs 2 reply to the application

Announcements to sell buy Stainless steel pipes, electric-welded GOST 11068-81 in the region "Moscow"


    Stainless pipes 219x6 10tn 330tr / tn. 12X18H10T.
    Stainless pipes 76х3 12Х18Н10Т 220tr / tn. Stainless pipes 219x6 12X18H10T 10tn 330tr / tn. Seamless pipes 168х4, 5 12Х18Н10Т. Seamless pipes 100х3 12Х18Н10Т at 390r / kg. Pipes 273-550mm 15X5M and 15XM. From 98r / kg with VAT. Seamless pipes 25x2x4100mm 12X18H10T. Seamless pipes 2х0, 2 ...

    220r !!! Stainless pipes 76х3 12Х18Н10Т 220tr / tn.
    Stainless pipes 219x6 12X18H10T 10tn 330tr / tn. Seamless pipes 168х4.5 12Х18Н10Т Seamless pipes 100х3 12Х18Н10Т at 390r / kg. Pipes 273-550mm 15X5M and 15XM. From 98r / kg with VAT. Seamless pipes 25х2х4000mm 12Х18Н10Т. Seamless pipes 2x0.2, 3x0.3, 4x0.8, 5x0.5, 6x0.5, 6x1, 6x1.5 -08X18H10T. ...

    Sell ​​Pipes Stainless Suture Soviet production.
    Sell ​​Pipes Stainless Suture Soviet production. Price for the entire volume: cash settlement RUB 150 / kg, bank transfer RUB 180 / kg tel. cell: + 7-910-136-91-20, + 7-996-003-75-63, +79159324523 08 (12) Х18Н10Т Diameter / wall thickness / length 63х1.5mm - 5.4m weight 1890kg ~ 20% wrinkled ... 76 ...

    I sell Pipes 12 (08) X18H10T, Aisi 304, 1.4466, X17H13M2T, 20X23H18, 10X17H13M2T, price from 150 rubles / kg.
    I sell Pipes 12 (08) X18H10T, Aisi 304, 1.4466, X17H13M2T, 20X23H18, 10X17H13M2T, price from 150 rubles / kg. Price on request. Tel. + 7-910-136-91-20, + 7-996-003-75-63, +79159324523 email mail: [email protected] Pipe Brand diameter / thickness length, mm 08 (12) Х18Н10Т 9.5х1.1 ...

    Product inquiry AISI 304
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    Buy stainless pipes

    Buy longitudinal electric-welded pipes
    I will buy pipes (new, old, from the state reserve) longitudinal stainless electric-welded on steel 08X18H10T; 12X18H10T; 03X17H14M3; 08X18H10; 03X18H10;

    We will buy pipes 720x16 12X18H10T.
    We will buy pipes 720x16 12X18H10T. We will buy seamless pipes 32х3 12Х18Н10Т. We will buy seamless pipes 76x4 12X18H10T. We will buy seamless pipes 32x6 12X18H10T. 8-900-02-72-888. We will buy stainless steel sheets 8mm 1.5x6m 10X17H13M2T (aisi 316Ti). Stock balance. Illiquid assets. 8-900-088-88-86. Yuri Nikolaevich. Let's buy seamless ...

    Stainless steel pipe - = - = st..08x13, f25x2x6000mm --- gost 9941-81 - 1962 meters
    Buy Stainless pipe - = - = st..08x13, f25x2x6000mm --- gost 9941-81 - 1962 meters

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