... 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