Categori cynnyrch: Alloy bibell Prif ddeunyddiau: Cr5Mo (P5, STFA25, T5,), 15CrMo (P11, P12, STFA22), 13CrMo44, 12Cr1MoV, P22 (10CrMo910), T91, P971, P9, T9 Safonau gweithredu: GB2053 GB9948-06, ASTMA335 / A335m, ASTMA213 / A213m, DIN17175 Pwrpas: Pibell ddur di-dor ...
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