Chemical Composition, weight %
- Carbon: 0.16 Max
- Manganese: 1.50 Max
- Silicon: 2.00 Max
- Phosphorus: 0.04 Max
- Sulfur: 0.20-0.40
- Chromium: 18.0-21.0
- Nickel: 9.0-12.0
- Molybdenum: 0.40-0.80
Tensile Requirements
- Tensile Strength, ksi: 70 Min
- Yield Strength, ksi: 30 Min
- Elongation in 2 in.: 25% Min