... in change the direction of the pipeline in the pipeline system, all of the pipe used In the pipeline system , the largest share of ... Deg. SR Elbows, 180 Deg. LR ElbowMaterial: carbon steel, alloy steel, stainless steelStainless steel include:ASTM/ASME A403 WP 304-304L-304H-304LN ... , Spain,Egypt, Singapore, Israel, Portugal, Malaysia, Pakistan, Argentina, etc. stainless steel pipe elbow