1)Type:elbow (15deg, 30deg, 45deg, 90deg, 180deg) 2)Size:NPS1/2-120"(DN15-3000) 3)WT: ... elbow),seamless elbow, butt welding elbow, steel elbow, carbon steel elbow(CS elbow), mild steel elbow(MS elbow), alloy steel elbow(AS elbow), stainless steel elbow(SS elbow), ( 15deg, 30deg, 45deg,60deg, 90deg ...