... GR CB60 / CB60 / CC60 / CC65 / CC70 / CD70 CLASS 10 UPTO 43, etc.2) ALLOY STEEL: ASTM A335 GR. P ... -1/P-2/P-5/P-9/P-11/ P-12/P-22/P-91/P ... , chemical industry, environment protection, traffic, food industry, medical equipment.9) Standard: Seamless – ASTM A106, API 5L, ASTM A179, ... 3, 4, 6, 7, 8, 9, 10, 11 And some other international standard and grade.10) Packing: Bundles, seaworthy wooden cases, ...