) Products: Carbon Steel Elbow, Elbow, Carbon Steel Seamless Elbow, Various Types Of Materials Elbow. 2) Standard: ANSI B16.9/16.28, ASME, ASTM, API 5L, JIS P2311/2312, DIN2605/2615/2616, ASME B36.10M-1996GB/T 12459a 3) Material: ASTM A234 WPB, Car ...Read More