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Standard

GOST 9941 Stainless Steel Tube of Corrosion Resistant



GOST 9941Stainless Steel Pipe

Outside Diameter: 5 - 95 mm
(up to 25 mm - step 1 mm; next: 27; 28; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48; 50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85; 89; 90; 95)

Wall Thickness: 0,2 - 8,5 mm
(0,2; 0,3; 0,4; 0,5; 0,6; 0,8; 1; 1,2; 1,4; 1,5; 1,8; 2; 2,2; 2,5; 2,8; 3; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5)

Tolerances:
OD:
D 5 - 10 mm: ord acc. ?0,3 mm; inc. acc. ?0,2 mm; high acc. ?0,15 mm
D 11 - 30 mm: ord acc. ?0,4 mm; inc. acc. ?0,3 mm; high acc. ?0,2 mm
D 32 - 95 mm: ord. acc. ?1,2%; inc. acc. ?1%; high acc. ?0,8%.

WT
S 0,2 mm: ord. acc. ?0,05 mm; inc. acc. ?0,03 mm
S 0,3 - 0,4 mm: ord. acc. ?0,07 mm; inc. acc. ?0,05 mm
S 0,5 - 1 mm: ord.acc. ?0,15 mm; inc. acc. ?0,1 mm
S 1,2 - 3 mm: ord.acc. + 12,5% - 15%; inc.acc. . ?12,5%; high acc. + 12,5% - 10%
S 3,5 - 7 mm: ord.acc. ?12,5%; inc.acc. + 12,5% - 10%; high acc. ?10%
S 7,5 - 8,5 mm: ord.acc. + 12,5% - 10%; inc.acc. ?10%.

Notes:

  • Steel grades: 04Cr18Ni10, 08Cr20Ni14Si2, 10Cr17Ni13Mo2Ti, 08Cr18Ni12Ti,12Cr18Ni12T, 08Cr18Ni10, 12Cr18Ni9, 10Cr23Ni18, 12Cr18Ni10Ti, 08Cr18Ni10Ti.
    The Stainles Steel Pipes from steel grades: 08XCr17Ti, 08Cr13,12Cr13,12Cr17, 15Cr25Ti, 08Cr18Ni12Nb, 08Cr17Ni15Mo3Ti, 17Cr18Ni9, 08Cr22Ni6Ti, 06CrNi28MoCuTi are produced subject to agreement.
    Random length from 0,75 to 12,5 m. Fixed length - up to 7 m, over 7 m - subject to agreement.
  • Delivery of Stainless Steel pipes with control of inner diameter and wall thickness, cold-hardened (withoutheat treatment), with test of mechanical properties at 350, on expanding, on flattening, on stability against intercrystal corrosion, with non-destructive test - is available subject to agreement.

    Tube Sizes
    OD, mm
    WT, mm
    OD, mm
    WT, mm
    OD, mm
    WT, mm
    5
    0,2 - 1
    25 - 28
    0,3 - 4,5
    60
    0,5 - 8,5
    6 - 7
    0,2 - 1,5
    30 - 35
    0,3 - 5,5
    63 - 75
    1,5 - 8,5
    8 - 9
    0,2 - 2
    36
    0,4 - 5,5
    76 - 85
    3 - 8,5
    10 - 13
    0,2 - 2,5
    38 - 45
    0,4 - 6
    89 - 90
    4 - 8,5
    14 - 17
    0,2 - 3
    48 - 50
    0,4 - 7,5
    95
    4 - 5
    18 - 19
    0,2 - 3,5
    51 - 56
    0,5 - 7,5
     
     
    20
    0,2 - 4
    57
    0,5 - 8
     
     
    21 - 24
    0,3 - 4
     
     
     
     

    Mechanical Properties
    Steel Grade
    Tensile Strength, N/mm2 (min)
    Yield Strength, N/mm2 (min)
    Elongation, % (min)
    04Cr18Ni10
    490
    -
    45
    08Cr18Ni10T
    549
    -
    37
    08Cr18Ni12T
    549
    -
    37
    08Cr20Ni14Si2
    510
    -
    35
    10Cr17Ni13Mo2T
    529
    -
    35
    10Cr23Ni18
    529
    -
    35
    12Cr18Ni9
    549
    -
    37
    12Cr18Ni10T
    549
    -
    35
    12Cr18Ni12T
    549
    -
    35

    Chemical Composition (%, max)
    Steel Grade C Si Mn Cr Ni Mo S P Ti V
    04Cr18Ni10 0,04 0,8 2 17-19 9-11 - 0,02 0,03 - -
    08Cr18Ni10T 0,08 0,8 2 17-19 9-11 - 0,02 0,035 5*C-0,7 -
    08Cr18Ni12T 0,08 0,8 2 17-19 11-13 - 0,02 0,035 5*C-0,6 -
    10Cr17Ni13Mo2T 0,10 0,8 2 16-18 12-14 2-3 0,02 0,035 - 5*C-0,7
    10Cr23Ni18T 0,10 1 2 22-25 17-20 - 0,02 0,035 - -
    12Cr18Ni9T 0,12 0,8 2 17-19 8-10 - 0,02 0,035 - -
    12Cr18Ni10T 0,12 0,8 2 17-19 9-11 - 0,02 0,035 5*C-0,8 -
    12Cr18Ni12T 0,12 0,8 1-2 17-19 11-13 - 0,02 0,03 0,5-0,7 -
    08Cr17T 0,08 0,8 0,8 16-18 - - 0,025 0,035 5*C-0,8 -
    12Cr13 0,09-0,15 0,8 0,8 12-14 - - 0,025 0,03 - -
    15Cr25T 0,15 1 0,8 21-37 - - 0,025 0,035 5*C-0,9 -
    08Cr18Ni12T 0,08 0,8 2 17-19 11-13 - 0,02 0,035 5*C-0,6 -
    08Cr22Ni6T 0,08 0,8 0,8 21-23 5,3-6,3 - 0,025 0,035 5*C-0,65 -


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