elbow ISO9001,CE,IQNet BigStand Size Surface treatment as oil or black painted to prevent rust connection:butt weld carbon steel pipe elbow (2) types: GEE PIPE carbon seamless steel pipe elbow Straight Elbow,stainless steel sch 40 pipe cap,carbon/stainless steel sch 40 pipe cap, (CE Approved)carbon/stainless steel hex hose nipplescarbon/Stainless Steel Welded Nipple(CE Approved)carbon/stainless ...