... : T/T,L/C ASTMA333 Gr.6 seamless steel pipe sch80 manufacturer First, the details of our products. API 5L ... requirements;with FBE internal coating for water steel pipes.MaterialA53(A,B),A106(A,B),Q345,16Mn, 10# 20#,45# ... S235JR, S355JR;ASTMA333;ST37,ST42,ST52;Gr.B,X42,X46,X52,X56,X60,X65,X70, etcUsagefor petroleum/ ... , Tanggu , Tianjin , China ASTMA333 Gr.6 seamless steel pipe sch80 manufacturer