〔5〕热轧软钢板、钢片及钢带
(Hot-Rolled Mild Steel Plates/Sheets and Strips)
标准代号 规格号码 记号 化学成分(%)Chemical composition 拉伸试验 Tensile requirements
C Si Mn P S Al N Cu 厚度(mm) 抗拉强度(Mpa) 伸长度(%)
CNS 4622 SPHC ≦0.15 - ≦0.60 ≦0.05 ≦0.05 - - - ≧4.0 ≧270 ≧31
JIS G3131 SPHC ≦0.15 - ≦0.60 ≦0.05 ≦0.05 - - - ≧4.0 ≧270 ≧31
ASTM A569 - ≦0.15 - ≦0.60 ≦0.035 ≦0.035 - - ≦0.20 - - -
                           
CNS 4622 SPHD ≦0.10 - ≦0.50 ≦0.04 ≦0.04 - - - ≧4.0 ≧270 ≧39
JIS G3131 SPHD ≦0.10 - ≦0.50 ≦0.04 ≦0.04 - - - ≧4.0 ≧270 ≧39
ASTM A621 - ≦0.10 - ≦0.50 ≦0.02 ≦0.03 - - - - - -
DIN 1614/1 StW22 ≦0.10 - 0.20-0.45 ≦0.035 ≦0.035 - - - - - -
                           
CNS 4622 SPHE ≦0.10 - ≦0.50 ≦0.03 ≦0.03 - - - ≧4.0 ≧270 ≧41
JIS G3131 SPHD ≦0.10 - ≦0.50 ≦0.03 ≦0.03 - - - ≧4.0 ≧270 ≧41
DIN 1614/1 StW23 ≦0.08 - 0.20-0.40 ≦0.025 ≦0.025 - ≦0.007 - - - -
DIN 1614/1 StW24 ≦0.08 0.03-0.10 ≦0.40 ≦0.025 ≦0.025 ≦0.02 ≦0.007 - - - -