General Motors-Specified GMW3399M Electro Galvanized Martensitic Steel
| Steel Spec | Steel Type | Action |
|---|---|---|
| General Motors-Specified GMW3399M-ST-S-HR1400T/1050Y-MS | Martensite MS14 |
|
| General Motors-Specified GMW3399M-ST-S-HR1200T/900Y-MS | Martensite MS12 |
|