circular steel tube

EN10297-1冷たい変形させた合金鋼の継ぎ目が無い管42CrMo4

EN10297-1 Seamless Cold-Deformed Steel Pipes 42CrMo4 Mechanical Alloy Steel Seamless Tubes 42CrMo4/AISI4140 EN10297-1 Seamless cold-deformed steel pipes 42CrMo4/42CrMo4 hollow steel bars General for 42CrMo4 hollow steel 42CrMo4 is a steel for quenching and tempering, which has a good combination of strength and toughness in the quenched and tempered condition. After oil quenching it will be through hardened up toØ60 mm bar diameter. The micro structure of bigger dimensions is