ASTM A 312 Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes Grade: TP304H UNS Designation: S30409 Chemical Requirements(%) C: 0.04-0.10 Mn: ≤2.00 P: ≤0.045 S: ≤0.030 Si: ≤1.00 Cr: 18.0-20.0 Ni: 8.0-11.0 Heat Treating Temperature Solution, ≥1040 °C Tensile Requirements Tensile Strength, ≥515Mpa Yield Strength, ≥205MPa Elongation in 2 in. or 50 mm (or 4D)…