cold drawn seamless steel pipe for fluid 1)Grades:304,304L,316,316L,317,310 2)OD:4-426mm 3)WT:1-50mm 4)Standard ... :ATSM,AISI cold drawn seamless steel pipe for fluid1) Grade: 316 ... /316L/316TI, 321/321H, 310S, 317L, 347H2) Size: OD- 4MM~426MM WT ...