Excellent resistance to oxidation under mildly cyclic conditions through 2000°F characterizes 310 Stainless steel. Because of its high chromium and medium nickel contents, 310 Stainless steel has good resistance to sulfidation and other forms of hot corrosion. 310 is widely used in moderately carburizing atmospheres such as encountered in petrochemical environments. 310 is not suggested for the severe thermal shock of repeated liquid quenching. Often in many product forms, the grain size and carbon content can meet both the Stainless steel 310S and Stainless steel 310H requirements. 310 Stainless steel is often used at cryogenic temperatures, with excellent toughness to -450°F, and low magnetic permeability. 310 Stainless steel has a machinability rating of 42% relative to AISI B1112 steel. When using high speed steel tooling, this equates to about 70 surface feet per minute. Forming operations should be performed at room temperature whenever possible.
Chemistry CrNiCSiMnPSMoCuFeMIN24.019.0––––––––MAX26.022.00.080.75*2.00.0450.030.750.5Balance
* ASTM specification 1.50 max Si.
Specifications
AMS 5521, AMS 5651 ASME SA 240, ASME SA 312, ASME SA 479 ASTM A 240, ASTM A 276, ASTM A 276 Condition A, ASTM A 276 Condition S, ASTM A 312, ASTM A 479 EN 10095 UNS S31008, UNS S31009 Werkstoff 1.4845
Inventory
310 Stainless steel bar, 310 Stainless steel Pipes, 310 Stainless steel Plate, 310 Stainless steel pipe fittings,
310 Stainless steel flanges, 310 Stainless steel tubes, 310 Stainless steel Welding Products.
Common Trade Names
310 Stainless
Features
Oxidation resistance to 2000°F
Moderate strength at high temperature
Resistance to hot corrosion
Strength and toughness at cryogenic temperatures
Applications
Flare tips
Fluidized bed coal combustors
Stainless steel tubes
Tube hangers for petroleum refining and steam boilers
Coal gasifier internal components
Stainless steel pipe fittings
Refractory anchor bolts
Retorts, muffles, annealing covers
Food processing equipment
Physical Properties
Density: 0.284 lb/inch3 Melting Point: 2470 – 2555°FTemperature, °F70100012001400160018002000Coefficient* of Thermal Expansion, in/in°F x 10-6–9.59.810.0510.1510.310.6Thermal Conductivity Btu • ft/ft2 • hr • °F7.613.615.216.818.420.0–Modulus of Elasticity, Dynamic psi x 10629.023.021.820.519.2––
* 70°F to indicated temperature.
Mechanical Properties
Representative Tensile PropertiesTemperature, °F101000120014001600Ultimate Tensile Strength, ksi80.067.854.135.119.10.2% Yield Strength, ksi35.020.820.719.312.2Elongation, %5247434648
Typical Creep- Rupture PropertiesTemperature, °F1200140016001800Minimum Creep 0.0001%/Hr, ksi14.93.31.10.2810,000 Hour Rupture Strength, ksi14.44.51.50.66
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