〔62〕白心展性铸铁 | ||||||||
(Whiteheart Malleable Iron Castings) | ||||||||
标准代号 | 规格号码 | 记号 | 拉伸试验Tensile requirements | 硬度(HB) | ||||
厚度 (mm) | 降伏強度(Mpa) | 抗拉强度(MPa) | 伸长率(%) | 热处理 | ||||
CNS | 2937 | FCMW330 | 10 | ≧165 | ≧330 | ≧5 | A | ≦207 |
GB | 9440 | KTB350-04 | 12 | - | ≧350 | ≧4 | - | ≦230 |
JIS | G5702 | FCMW34-04 | 10 | ≧165 | ≧330 | ≧5 | A | ≦207 |
DIN | 1692 | GTW-35-04 | 12 | - | ≧350 | ≧4 | A | ≦230 |
CNS | 2937 | FCMW370 | 10 | ≧185 | ≧370 | ≧8 | A | ≦192 |
GB | 9440 | KTB380-12 | 12 | ≧200 | ≧380 | ≧12 | - | ≦200 |
JIS | G5703 | FCMW38-12 | 10 | ≧85 | ≧370 | ≧8 | A | ≦192 |
DIN | 1692 | GTW-40-05 | 12 | ≧220 | ≧400 | ≧5 | A | ≦220 |
GB | 9440 | KTB 400-05 | 12 | ≧220 | ≧400 | ≧5 | - | ≦220 |
JIS | G5703 | FCMW40-05 | 12 | ≧220 | ≧400 | ≧5 | - | ≦220 |
DIN | 1692 | GTW-40-05 | 12 | ≧220 | ≧400 | ≧5 | A | ≦220 |
CNS | 2937 | FCMWP-440 | 14 | ≧265 | ≧440 | ≧6 | - | 149-207 |
GB | 9440 | KTB450-07 | 12 | ≧260 | ≧450 | ≧7 | - | ≦220 |
JIS | G5703 | FCMW45-07 | 14 | ≧265 | ≧450 | ≧6 | - | 149-207 |
DIN | 1692 | GTW-45-07 | 12 | ≧260 | ≧450 | ≧7 | - | ≦220 |
CNS | 2937 | FCMWP-490 | 14 | ≧305 | ≧490 | ≧4 | - | 167-229 |
JIS | G5703 | FCMW490 | 14 | ≧305 | ≧490 | ≧4 | - | 167-229 |
CNS | 2937 | FCMWP-540 | 14 | ≧345 | ≧540 | ≧3 | - | 183-241 |
JIS | G5703 | FCMW540 | 14 | ≧345 | ≧540 | ≧3 | - | 183-241 |