... stainless steel pipe 2.5 inch stainless steel pipe 10 inch stainless steel pipe 1 inch stainless steel ... 141 , 159 , 168, 219b)Square tube side length (mm)10*10 , 12*12 , 15*15 , 18*18 , 19 * 19 , 20 ... 0.1517.00-19.004.00-6.007.50-10.00≤0.060≤0.030≤1.00-≤0. ... 1.00---304L00Cr19Ni10≤0.03018.00-20.008.00-10.00≤2.00≤0.035≤0.030-≤1. ... 035≤0.030-≤1.00--Nb≥10*C%XM70Cr18Ni9Cu3≤0.0817.00-19.008.50-10.50≤2.00≤0.035 ...