... . SR Elbows, 180 Deg. LR ElbowMaterial: carbon steel, alloy steel, stainless steelStainless steel include:ASTM/ASME A403 WP 304-304L-304H-304LN ... flange, cross, nipple, socket fitting, expansion joint and other series products.Fittings are widely used in petroleum, chemical industry, metallurgy ... Spain,Egypt, Singapore, Israel, Portugal, Malaysia, Pakistan, Argentina, etc. stainless steel pipe elbow