ITEM | Standard Number | Descriptions |
1 | GB 4238 (1992) | Heat-resisting steel sheets and plates |
2 | GB/T 1220 (1992) | Stainless steel bars |
3 | GB/T 1221 (1992) | Heat-resisting steel bars |
4 | GB/T 3280 (2007) | Cold rolled stainless steel sheets and plates |
5 | GB/T 4231 (1993) | Cold rolled stainless steel strips for springs |
6 | GB/T 4237 (1992) | Hot rolled stainless steel sheets and plates |
7 | GB/T 4239 (1991) | Cold rolled stainless steel and heat resisting steel strips |
8 | GB/T 4356 (2002) | Stainless steel wire rods |
Elements | Min.(≥) | Max.(≤) |
C | 0.09 | |
Si | 1.00 | |
Mn | 1.00 | |
P | 0.035 | |
S | 0.030 | |
Ni | 6.50 | 7.75 |
Cr | 16.00 | 18.00 |
Cu | 0.50 | |
Al | 0.75 | 1.50 |