... cold drawn Annealing Cold Drawn Seamless furniture black steel pipe Specification & Commodity1. Standard: ASTM A 501, ASTM A519, ASTM A106, ASTM ... #, 1020, C22, 1045, C45, 1010, CK10, Q195, Q235, Q345B, S185, S235JR, E235B......3. SizesOD: 18-120mmWT: 1.2-18mmLength: 2-12m ...