法国 · AFNOR NF

XC 90

NF A36-102 — Iron and steel. Continuously hot-rolled strip of non-alloy and alloy steels for cold re-rolling. Technical delivery conditions

化学成分

wt% · 对数刻度
0.010.1110Al0.03C0.85 – 0.95Cr0.3Mn0.4 – 0.7Mo0.1Ni0.4P0.025S0.02Si0.15 – 0.35
  • min – max 范围
  • 典型值

力学性能

按热处理状态分组
抗拉强度 Rm590–710 MPa钢带  回火 (T1)抗拉强度 Rm690–810 MPa钢带  回火 (T2)抗拉强度 Rm790–910 MPa钢带  回火 (T3)抗拉强度 Rm900–1020 MPa钢带  回火 (T4)

化学成分

元素minmax相似备注
Al0.03
C0.850.95
Cr0.3
Mn0.40.7
Mo0.1
Ni0.4
P0.025
S0.02
Si0.150.35

力学性能

热处理 / 状态屈服强度抗拉强度伸长率断面收缩率冲击功硬度
钢带  回火 (T1)590–710
钢带  回火 (T2)690–810
钢带  回火 (T3)790–910
钢带  回火 (T4)900–1020
钢带  退火≤650≥18 Lo= 50 mmHR ≤94 HRB