China 55% Al-Zn Coated Steel Sheet (GL), Find details about China Zn-Al Coated Steel Sheet, Gl from 55% Al-Zn Coated Steel Sheet (GL)
Chemical Requirements For Structure Steel | ||||||||||||
Composition , % - Heat Analysis Element , Maximum , Unless Otherwise Shown | ||||||||||||
Designation | C | Mn | P | S | Cu | Ni | Cr | Mo | V | Cb | Tia | Nb |
G230 | 0.20 | 1.35 | 0.04 | 0.04 | 0.25 | 0.20 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 | * |
G255 | 0.20 | 1.35 | 0.10 | 0.04 | 0.25 | 0.20 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 | * |
G275 | 0.25 | 1.35 | 0.10 | 0.04 | 0.25 | 0.20 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 | * |
G340 | 0.25 | 1.35 | 0.20 | 0.04 | 0.25 | 0.20 | 0.15 | 0.06 | 0.008 | 0.008 | 0.025 | * |
G550 | 0.20 | 1.35 | 0.04 | 0.04 | 0.25 | 0.20 | 0.15 | 0.06 | 0.008 | 0.015 | 0.025 | * |