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Astm Q345a stainless steel elbow 45 degrees 1D 2D 1/2-44 "Sch100 Sch80 Product Description Type Elbow Size Seamless 1/2" To 24" Welded To 72"(DN8~DN1000) Wall thickness Sch5S-Sch160, XS,XXS(1.2mm~34mm...