... 316,316L,317L Surface:bright,polished,black Certificate:ISO,SGS Origin:China Stainless Steel ElbowMaterial:403,201,202,304, ... :Chinawe can produce many kinds of pipe elbows.Material: carbon steel, stainless steel,alloy steel, Aluminum alloy and so on.Standard ... DN500),welded fittings 1/2" - 48" (DN15 - DN1200) Wall thickness: SCH5S-SCH160 45 degree, 90 degree, 180 degree Stainless Steel Pipe Elbow