SO stainless steel flange 1) Name: SO stainless steel flange 2) Standard: JIS, ASME, DIN ,GB, HG and so on. SO stainless steel flange1) Name: SO stainless steel flange 2) Standard: JIS, ASME, DIN ,GB, HG and so on. 3) Materials (stainless steel) include: 1.4301, 1.4306, 1.4401, 1.4404, 1.4541 SUS F304, SUS F304L, SUSF316, SUSF316L, SUS F321 ASME F304, ASME F304L, ASME F316,ASME F316L,ASME F321 ...