... Competitive Price 3) Nice Packing 4) Delivery on Time Stainless Steel Flanges Type:Slip On Flange, Welding Neck Flange, Socket Welding ... 2005),GB/T10746-1989,GB/T4450-1989Germany:DIN 2573~2576,DIN 2527,DIN 2630~2637,DIN 2641~2642Japan:JIS ... ,F316H,F317,F317L,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750,HDRCopper ...