... ,A234,A213,A403,A53,A106,API, 2:Size:1/2''-48'' 3:Standard:ASME B16.9 4:Price:best ... price 5:quality:Class A ASME B16.9 alloy steel elbow Size: 1/2 ... Sch5 to Sch160,xxs2:Type:seamless3:Manufacturer’s Standard:ASME B16.94:Material:alloy steel,Carbon steel,Stainless steel5 ... Material Standard:ASTM A335,A234,A213,A403,A53,A106,API,7:Chemical composition:A :Materials into the factory inspection ...