... /month 4)Payment: T/T,L/C or negotiable ASTMA53/A106 Gr.B carbon seamless steel pipe Our main products.Carbon ... , chemicalengineering and. Electric power as well as boilerHigh-pressureboiler pipe20G,A106,ST 45GB5310-95ASTM A 106-99DIN17175-7914-630*2-80Temperature ... room, sunny zone, central north road, Tanggu , Tianjin , China ASTMA53/A106 Gr.B carbon seamless steel pipe