上海St14冷轧板 St15冷轧卷规格

ST12是普通冷轧钢，ST13冲压级冷轧钢，ST14是深拉伸级的 ST15 低碳超深冲级 ST16 是超低碳超深冲级

ST12等同于DC01,SPCC

ST13等同于DC03,SPCD

ST14等同于DC04,SPCE,08AL

ST15等同于DC05,SPCF

ST16等同于DC06,SPCE-T

牌号 化学成分% 屈服点Mpa 抗拉强度Mpa 伸长率% 硬度HRB 弯曲试验

C Si Mn P S

SPCC ≤0.12 ≤0.05 ≤0.05 ≤0.035 ≤0.035 - ≥270 ≥20 - 180摄氏度

SPCD ≤0.10 ≤0.03 ≤0.45 ≤0.030 ≤0.035 - ≥270 ≥28 - 180摄氏度

SPCE ≤0.08 ≤0.03 ≤0.40 ≤0.025 ≤0.030 - ≥270 ≥35 - 180摄氏度

SPCC1B ≤0.12 ≤0.05 ≤0.05 ≤0.035 ≤0.035 - - - 85 180摄氏度

SPCC4B 0.08-0.13 ≤0.05 0.35-0.65 ≤0.035 ≤0.035 - - - 65-80 180摄氏度