Stainless 310

General Characteristics of Stainless 310

Able to resist corrosion and oxidation in high heat environments, Stainless 310 is ideal for jet parts, heat exchangers, furnace components, and heat treating boxes. An austenitic steel, it resists moderate thermal shock.

Chemical Composition of Stainless 310

  • Carbon 0.25 max
  • Manganese 2.00 max
  • Silicon 1.50 max
  • Chromium 24.0-26.0
  • Nickel 19.0-22.0
  • Sulfur 0.030 max
  • Phosphorus 0.045 max
  • Iron balance

Heat Treatment of Stainless 310

  • Anneal by heating to 2000°  to 2100°F (1093° to 1149°C) before water quenching
  • Achieve stress relief by heating to 400° to 750° (204° to 399°C); then air cool
  • Resists hardening by thermal means

Applications of Stainless 310

  • Jet parts
  • Furnace components
  • Baking oven fixtures
  • Hydrogenation parts
  • Heat treating and nitriding boxes

Machinability of Stainless 310

  • Machine after full heat treatment
  • Partially age at 1325°F (718°C) for one hour or overage at 1500°F (816°C) for several hours
  • Use high-speed cobalt type, single point turning tools
  • Sulfur-chlorine cutting fluids

Workability of Stainless 310

  • Forge, flange or work after gradually heating to 1600°F (871°C), thoroughly soaking and quickly heating to 2000° to 2250°F (1093° to 1232°C)
  • Flange only above or below 1300° and 1800°F (704° and 982°C), and avoid working at those temperatures

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