... , 50CrMo4+HT, Din 1.7228 Tubings: OD: 6-219 mm AISI 4150/SAE 4150/50CrMo4/50CrMo4V/50CrMo4+QT, 50CrMo4+HT, Din ... , steel plate, steel sheet, steel tube, steel strip, steel wire and so on.alloy structural steel / spring steel / bearing steel / alloy ... 310 F51 1.4462 S31803 F55 1.4501 S32760 AISI 440B 440C A276 AISI steel A182 31803 1.4057 1.40051.4112 ...