〔53〕低温高压用铸件 | |||||||||||||||
(Steel Castings for Low Temperature and High Pressure Service) | |||||||||||||||
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 | 降伏强度(Mpa) | 抗拉强度(Mpa) | 伸长度(%) | |||
CNS | 7149 | SCPL1 | ≦0.3 | ≦0.6 | ≦1.0 | ≦0.04 | ≦0.04 | ≦0.5 | ≦0.25 | - | - | ≦0.5 | ≧245 | ≧450 | ≧21 |
JIS | G5152 | SCPL1 | ≦0.3 | ≦0.6 | ≦1.0 | ≦0.04 | ≦0.04 | ≦0.5 | ≦0.25 | - | - | ≦0.5 | ≧245 | ≧450 | ≧21 |
ASTM | A352 | Gr.LCB | ≦0.3 | ≦0.6 | ≦1.0 | ≦0.04 | ≦0.045 | ≦0.5 | ≦0.5 | ≦0.2 | ≦0.03 | ≦0.5 | ≧240 | 450-620 | ≧24 |
CNS | 7149 | SCP11 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | - | ≦0.35 | 0.45-0.65 | - | ≦0.5 | ≧245 | ≧450 | ≧21 |
JIS | G5152 | SCP11 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | - | ≦0.35 | 0.45-0.65 | - | ≦0.5 | ≧245 | ≧450 | ≧21 |
ASTM | A352 | Gr.LC1 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.045 | - | 0.45-0.65 | 0.45-0.65 | - | - | ≧240 | 450-620 | ≧24 |
CNS | 7149 | SCPL21 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 2.0-3.0 | ≦0.35 | - | - | ≦0.5 | ≧275 | ≧480 | ≧21 |
JIS | G5152 | SCPL21 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 2.0-3.0 | ≦0.35 | - | - | ≦0.5 | ≧275 | ≧480 | ≧21 |
ASTM | A352 | Gr.LC2 | ≦0.25 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.045 | 2.0-3.0 | - | - | - | - | ≧275 | 485-655 | ≧24 |
CNS | 7149 | SCPL31 | ≦0.15 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 3.0-4.0 | ≦0.35 | - | - | ≦0.5 | ≧275 | ≧480 | ≧21 |
JIS | G5152 | SCPL31 | ≦0.15 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 3.0-4.0 | ≦0.35 | - | - | ≦0.5 | ≧275 | ≧480 | ≧21 |
ASTM | A352 | Gr.LC3 | ≦0.15 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.045 | 3.0-4.0 | - | - | - | - | ≧275 | 485-655 | - |