ASTM A743 CH20, 309 stainless steel casting
Chemical Composition, weight % Carbon: 0.20 Max Manganese: 1.50 Max Silicon: 2.00 Max Phosphorus: 0.04 Max Sulfur: 0.04 Max Chromium: 22.0-26.0 Nickel: 12.0-15.0 Tensile Requirements Tensile Strength, ksi: 70 Min Yield Strength, ksi: 30 Min Elongation in 2 in.: 30% Min Similar Specifications Cast UNS: J93402 Wrought UNS: S30900 Wrought Grade: 309