stainless steel Elbow Size:Seamless Fittings 1/2"-20" (DN15-DN500), Welded Fittings 1/2"-48" (DN15-DN1200) stainless steel Elbow1)Standard:GB/T12459, GB/T13401,SH3408, SH3409,HG/T21635 ,HG/T21631 ,ASME B16.9, MSS SP-43 , DIN 2605,JIS B2313 2)Size:Seamless Fittings 1/2”-20” (DN15-DN500), Welded Fittings 1/2”-48” (DN15-DN1200) 3)Wall Thickness:SCH5S-SCH160 4)Material:Stainless Steel, Nickel Copper, ...