ASTM A743 CA40, 420 stainless steel casting
Chemical Composition, weight % Carbon: 0.20-0.40 Manganese: 1.00 Max Silicon: 1.50 Max Phosphorus: 0.04 Max Sulfur: 0.04 Max Chromium: 11.5-14.0 Nickel: 1.0 Max Molybdenum: 0.5 Max Tensile Requirements Tensile Strength, ksi: 100 Min Yield Strength, ksi: 70 Min Elongation in 2 in.: 15% Min Similar Specifications Cast UNS: J91153 Wrought UNS: S42000 Wrought Grade: 420