A249 Stainless Steel Tube Boiler Tube Heat Exchanger Tube

Material:304, 304L, 316, 316L, 316Ti Size:6-304.8mm Thickness:0.4-8.1mm length: specific or random Tolerance  Outer diameter :±0.2mm Thickness :±0.02mm Length :±0.5mm Process method:Code drawn, annealed with nitrogen protection, ultrasonic,automatic shape, polished                                                                   Chemical Composition  Material C Si Mn P S Cr Ni 201 ≤0.12 ≤0.75 9.5-12.5 ≤0.045 ≤0.03 13-16 0.8-1.5 304 ≤0.08 ≤0.75 ≤2.0 ≤0.045 ≤0.03 18-19 8-10 316 ≤0.08 ≤1.00 ≤2.0 ≤0.035 ≤0.03 10-14 16.0-18.5 430 ≤0.12 ≤0.75 ≤2.0 ≤0.04 ≤0.03 16-18 ≤0.6