... : 25~45 days Packing:Bulk or CTN Beijing Startion Iron & Steel Co., Ltd ,which is a trading company based on the goods of International ... : ASTM A 53 specification for black steel seamless pipes ASTM A 106 Gr. B seamless carbon steel pipes for high-temperature service ASTM ... PIPE, OIL PIPELINE: Material:J55,K55,N80,P110,L80/Gr.B X42,X46,X52,X56/X65,X70 and more. Certificate:API ...