ASTM A182 – Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High Temperature Service Grade: F5 Chemical Requirements   max,% Elements F5 Carbon 0.150 Manganese 0.30-0.60 Phosphorus 0.030 Sulfur 0.030 Silicon 0.50 Nickel 0.50 Chromium 4.0-6.0 Molybdenum 0.44-0.65   Tensile and Hardness Requirements Grade F5 Tensile Strength,min, ksi [Mpa] 70[485]…