Seamless od 6~273mm wt 0.5~16mm Welded od 9.53~2540 wt 0.5~30mm Astm a/sa 213, 249, 312, 358, 409.688 En 10216-5, en 10217 Din 17455 17456 17457, 17458.17459 Jis g3446 g3447, g3448, g3459, g3468 Gb/t 12771 gb 13296 gb/t14975 gb/t14976 Wooden case or bundles