〔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