... Detailed Product Description 1) Carbon steel elbow2) Material: stainless steel (316L, 304L, 321, 321H), carbon steel, alloy steel 3) Size: 1/2" ... caseThe pipe fittings and flanges supplied by our company include the following:1, RID elbows(180 degree ... Ti alloy, low-temperature alloy, austenitic stainless steel,duplex stainless steel, super duplex stainless steel, inferior duplex stainlesssteel etc..