Elbow Size:Seamless Fittings 1/2?20?(DN15-DN500), Welded Fittings 1/2?48?(DN15-DN1200) Wall Thickness:SCH5S-SCH1 Making: Forming for Stainless Steel and Nickel Copper Elbows (So it will not reduce the wall thickness); Hot Forming for Carbon Steel Elbows. Standards: SH3408, SH3409,HG/T21635 ,HG/T21631 ,ASME B16.9, MSS SP-43 , DIN 2605,JIS B2313 Material: Stainless Steel, Nickel Copper, Carbon Steel, Low Alloy Steel, Alloy Steel Packing: As customer request
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