... B16.36,DIN 86341-2000, DIN2505materialCarbon steel(ASTM A105, Q235,A350LF2,A350LF3,)Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347 ... , F43, A276 S32750,A705 631,632,A961, A484, etcAlloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, A182 F12 ...