ASTM A335 – Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service Grade: P22 Chemical Requirements  max  % Elements Composition Carbon 0.05 – 0.15 Manganese 0.30–0.60 Phosphorus 0.025 Sulfur 0.025 Silicon 0.50 Chromium 1.90 – 2.60 Molybdenum 0.87 – 1.13   Tensile Requirements Tensile strength, min ksi[Mpa] 60[415] Yield strength, min: ksi[Mpa] 30[205]   Elongation Requirements Longitudinal…