Paramtents
Grade Gr5, Gr7, Gr9,Gr12, Gr23
Diameter 6mm - 350 mm
Length ≤6000mm
Technology Hot-Rolled, Hot forging , Machining
Condition Cold rolled(Y), Hot rolled(R), Annealed (M)
Surface Pickling surface, Polished surface, Black surface
Specifications Aerospace, Medical, Industrial
Packging & Delivery
Min Order1 kilogram
Briefing
Detailed
Grade |
Gr5, Gr7, Gr9, Gr12, Gr23 |
||
Standard | ASTMB348,ASTM F136,AMS4928 | ||
Length |
≤6000mm |
||
Technology |
Hot-Rolled, Hot forging , Machining |
||
Condition |
Cold rolled(Y), Hot rolled(R), Annealed (M), Quenching(C)
|
||
Surface |
Pickling surface, Polished surface, Black surface |
||
Specifications |
Aerospace, Medical, Industrial
|
Chemical composition, weight percent (%) | |||||||||||||||
Grade |
C ≤ |
O ≤ | N ≤ |
H ≤ |
Fe ≤ | Al | V |
Pd |
Ru | Ni | Mo | Other Elements Max. each | Other Elements Max. total | ||
Gr5 | 0.08 | 0.20 | 0.05 | 0.015 | 0.40 | 3.5~4.5 | — | — | — | — | 0.1 | 0.4 | |||
Gr7 | 0.08 | 0.25 | 0.03 | 0.015 | 0.30 | — | — | 0.12~0.25 | — | — | — | 0.1 | 0.4 | ||
Gr9 |
0.08 |
0.35 | 0.02 |
0.015 |
0.25 | 2.5~3.5 | 2.0~3.0 |
— |
— | — | — | 0.1 | 0.4 | ||
Gr12 |
0.08 |
0.25 | 0.03 |
0.015 |
0.30 | — | — |
— |
— | 0.6~0.9 | 0.2~0.4 | 0.1 | 0.4 | ||
Gr23 | 0.08 | 0.13 | 0.03 | 0.125 | 0.25 | 5.5-6.75 | 3.5~4.5 | — | — | — | — | 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 | ||||
Gr5 | 130 | 895 | 120 | 828 | — | — | 10 |
Gr7 | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
Gr9 |
90 |
620 | 70 |
483 |
— | — | 15 |
Gr12 |
70 |
483 | 50 |
348 |
— | — | 18 |
Gr23 | 120 | 828 | 110 | 759 | — | — | 10 |
Diameter | tolerance | ||
Hot forging bar | Hot rolling bar | Cold rolling bar | |
6~15 | ±1.0 | ±0.60 | ±0.30 |
16~25 | ±1.5 | ±0.70 | ±0.40 |
26~40 | ±2.0 | ±1.0 | ±0.50 |
41~60
|
±2.5
|
±1.5
|
±0.60
|
61~90
|
±3.0
|
±2.0
|
±0.80
|
91~120
|
±3.5
|
±2.2
|
±1.20
|
121~160 | ±5.0 | — | ±1.80 |
160~200
|
±6.5
|
—
|
±2.00
|
201~230 | ±7.0 | — | ±2.50 |
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