Detailed Product Description ELBOW: Carbon steel, stainless steel, alloy steelDNOD45 Deg 90 Deg LR180 Deg LRSeries ASeries BLRLRSRLRSR15-200021.3-202018-122016-126338-304825-203276-152451-1016MaterialA234 WPB;A283 ;A105;A53;A106;API 5L,st52Standard: ANSI,DIN ,ISO ,GB,JIS,BS