〔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 |