Paramtents
Grade Gr1, Gr2, Gr7,Gr12
OD 10mm - 1000mm
Length ≤9000mm
Wall Thickness 0.5-50
Surface Pickling surface, Polished surface, Black surface
Specifications chemical processing, marine,Industrial
Packging & Delivery
Min Order1 kilogram
Briefing
Detailed
Grade |
Gr1, Gr2, Gr7, Gr12 |
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Standard | ASTMB862 | ||
OD |
10mm - 1000 mm |
||
Length |
≤9000mm |
||
Wall Thickness |
5-50mm |
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Surface |
Pickling surface, Polished surface, Black surface |
Grade | Chemical composition, weight percent (%) | ||||||||||||||
C ≤ |
O ≤ | N ≤ |
H ≤ |
Fe ≤ | Al | V |
Pd |
Ru | Ni | Mo | Other Elements Max. each | Other Elements Max. total | |||
Gr1 | 0.08 | 0.18 | 0.03 | 0.015 | 0.20 | — | — | — | — | — | — | 0.1 | 0.4 | ||
Gr2 | 0.08 | 0.25 | 0.03 | 0.015 | 0.30 | — | — | — | — | — | — | 0.1 | 0.4 | ||
Gr7 |
0.08 |
0.25 | 0.05 |
0.0015 |
0.30 | — | — |
0.12~0.25 |
— | — | — | 0.1 | 0.4 | ||
Gr12 | 0.08 | 0.30 | 0.03 | 0.015 | 0.25 | 0.1 | 0.4 |
Grade | Physical properties | ||||||
Tensile strength Min |
Yield strength (0.2%, offset) |
Elongation in 50mm Min (%) |
|||||
ksi | MPa | Min | Max | ||||
ksi | MPa | ksi | MPa | ||||
Gr1 | 35 | 240 | 20 | 138 | 45 | 310 | 24 |
Gr2 | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
Gr7 |
50 |
345 | 40 |
275 |
65 | 450 | 20 |
Gr12 | 70 | 483 | 50 | 345 | — | — | 18 |
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