... alloy steel 3.ISO9001 4.competitive price and high quality pipe elbow:Material: carbon steel, stainless steel,alloy steel, ... SP-43, DIN 2605, JIS B2313Size:seamless fittings 1/2" - 20" (DN15 - DN500),welded fittings 1/2" - 48" (DN15 - DN1200) ... Wall thickness: SCH5S-SCH160 45 degree, 90 degree, 180 degree large diameter pipe elbow