〔49〕焊接结构用铸件
(Steel Castings for Welded Structure)
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 Ni Cr Mo V Cu Ceq 降伏强度(Mpa) 抗拉强度(Mpa) 伸长度(%)
CNS 7143 SCW42 ≦0.22 - - ≦0.04 ≦0.04 - - - - - ≦0.4 ≧235 ≧410 ≧21
JIS G5102 SCW410 ≦0.22 ≦0.8 ≦1.5 ≦0.04 ≦0.04 - - - - - ≦0.4 ≧235 ≧410 ≧21
ASTM A216 Gr.WCA ≦0.25 ≦0.6 ≦0.7 ≦0.04 ≦0.045 ≦0.5 ≦0.4 ≦0.2 ≦0.03 ≦0.5 - ≧205 415-585 ≧24
ASTM A216 Gr.WCB ≦0.3 ≦0.6 ≦1.0 ≦0.04 ≦0.045 ≦0.5 ≦0.4 ≦0.2 ≦0.03 ≦0.5 - ≧250 485-655 ≧22
                                 
CNS 7143 SCW49 ≦0.22 - - ≦0.04 ≦0.04 - - - - - ≦0.43 ≧275 ≧480 ≧20
GB - ZG20Si-Mn 0.12-0.22 0.6-0.8 1.0-1.3 ≦0.035 ≦0.035 ≦0.4 - - - - - ≧295 ≧510 ≧14
JIS G5102 SCW480 ≦0.22 ≦0.8 ≦1.5 ≦0.04 ≦0.04 ≦0.5 ≦0.5 - - - ≦0.45 ≧275 ≧480 ≧20
ASTM A352 LCC ≦0.25 ≦0.6 ≦1.2 ≦0.04 ≦0.045 ≦0.5 ≦0.5 ≦0.2 ≦0.03 ≦0.03 - ≧275 485-655 ≧22
                                 
CNS 7143 SCW56 ≦0.2 - - ≦0.04 ≦0.04 - - - - - ≦0.44 ≧355 ≧550 ≧18
JIS G5102 SCW550 ≦0.22 ≦0.8 ≦1.5 ≦0.04 ≦0.04 ≦2.5 ≦0.5 ≦0.3 ≦0.2 - ≦0.48 ≧355 ≧550 ≧18
                                 
CNS 7143 SCW63 ≦0.2 - - ≦0.04 ≦0.04 - - - - - ≦0.44 ≧430 ≧620 ≧17
JIS G5102 SCW620 ≦0.22 ≦0.8 ≦1.5 ≦0.04 ≦0.04 ≦2.5 ≦0.5 ≦0.3 ≦0.2 - ≦0.5 ≧430 ≧620 ≧17