Grade | Status | Specification | ||
Gr1,Gr2,Gr4,Gr5,Gr7,Gr9,Gr11, Gr12,Gr16,Gr23 |
Hot Rolled(R) Cold Rolled(Y) Annealed(M) Solution treatment(ST) |
Thickness(mm) | Width(mm) | Length(mm) |
0.3~5.0 | 400~3000 | 1000~6000 |
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 |
Gr4 | 0.08 | 0.25 | 0.03 | 0.015 | 0.30 | — | — | — | — | — | — | 0.1 | 0.4 |
Gr5 | 0.08 | 0.20 | 0.05 | 0.015 | 0.40 | 5.5~6.75 | 3.5~4.5 | — | — | — | — | 0.1 | 0.4 |
Gr7 | 0.08 | 0.25 | 0.03 | 0.015 | 0.30 | — | — | 0.12~0.25 | — | 0.12~0.25 | — | 0.1 | 0.4 |
Gr9 | 0.08 | 0.15 | 0.03 | 0.015 | 0.25 | 2.5~3.5 | 2.0~3.0 | — | — | — | — | 0.1 | 0.4 |
Gr11 | 0.08 | 0.18 | 0.03 | 0.15 | 0.2 | — | — | 0.12~0.25 | — | — | — | 0.1 | 0.4 |
Gr12 | 0.08 | 0.25 | 0.03 | 0.15 | 0.3 | — | — | — | — |
0.6~ 0.9 |
0.2~0.4 | 0.1 | 0.4 |
Gr16 | 0.08 | 0.25 | 0.03 | 0.15 | 0.3 | — | — | 0.04~0.08 | — | — | — | 0.1 | 0.4 |
Gr23 | 0.08 | 0.13 | 0.03 | 0.125 | 0.25 | 5.5~6.5 | 3.5~4.5 | — | — | — | — | 0.1 | 0.1 |
Grade | Physical properties | ||||||||
Tensile strength Min |
Yield strength (0.2%, offset) |
Elongation in 50mm Min (%) |
Bend Test(Radius of Mandrel) | ||||||
ksi | MPa | min | max |
<1.8mm In thickness |
1.8mm~4.57mm In thickness |
||||
ksi | MPa | ksi | MPa | ||||||
Gr1 | 35 | 240 | 20 | 138 | 45 | 310 | 24 | 1.5T | 2T |
Gr2 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 2T | 2.5T |
Gr4 | 80 | 550 | 70 | 483 | 95 | 655 | 15 | 2.5T | 3T |
Gr5 | 130 | 895 | 120 | 828 | — | — | 10 | 4.5T | 5T |
Gr7 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 2T | 2.5T |
Gr9 | 90 | 620 | 70 | 483 | — | — | 15 | 2.5T | 3T |
Gr11 | 35 | 240 | 20 | 138 | 45 | 310 | 24 | 1.5T | 2T |
Gr12 | 70 | 483 | 50 | 345 | — | — | 18 | 2T | 2.5T |
Gr16 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 2T | 2.5T |
Gr23 | 120 | 828 | 110 | 759 | — | — | 10 | 4.5T | 5T |
Thickness | Width tolerance | |
400~1000 | >1000 | |
0.3~0.5 | ±0.05 | ±0.05 |
0.5~0.8 | ±0.07 | ±0.07 |
0.8~1.1 | ±0.09 | ±0.09 |
1.1~1.5 | ±0.11 | ±0.13 |
1.5~2.0 | ±0.15 | ±0.16 |
2.0~3.0 | ±0.18 | ±0.20 |
3.0~4.0 | ±0.22 | ±0.22 |
4.0~5.0 | ±0.35 | ±0.35 |