COLD ROLLED STEEL HALF HARD TEMPER
直接翻译是 半硬回火冷轧钢 但好像不是
根据
Half-Hard Temper - Cold Rolled steel produced to a Rockwell hardness range of 70 to 85 on the B scale.Product of this temper is intended for limited cold forming and will only withstand 90-degree bends made across the rolling direction.
来理解 Half-Hard Temper
MATERIAL
COLD ROLLED STEEL HALF HARD TEMPER