Stainless Steel Pipe Tube 4 inch stainless steel pipe 6 inch stainless steel pipe 3 inch stainless steel pipe stainless steel pipe 3 inch 7 inch stainless steel pipe stainless steel pipe 1 inch stainless steel 2 ... *15 , 30*30 , 30*60 , 36*23 , 36*36 , 38*25 , 38*38 , 40*10 , 40*20 , 40*40 ,45*75 , 48*23 ... ≤0.20≤0.030-≤1.00--Se≥0.153040Cr18Ni9≤0.0717.00-19.008.00-10.00≤2.00≤0.035 ...