Type 310 (UNS S31000) Stainless Steel

Type 310 (UNS S31000) Stainless Steel

Type 310 (UNS S31000) Stainless Steel Description Type 310 is a high temperature chromium nickel austenitic stainless steel with high creep strength that resists oxidation at temperatures up to 2000˚F in dry air. Type 310 forms a tenacious scale at high temperature and is resistant to spalling...
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Type 310 (UNS S31000) Stainless Steel

Description

Type 310 is a high temperature chromium nickel austenitic stainless steel with high creep strength that resists oxidation at temperatures up to 2000˚F in dry air. 


Type 310 forms a tenacious scale at high temperature and is resistant to spalling and performs better than Type 309 in thermal cycling applications. 


Type 310 has good sulfidation resistance and good resistance to carburization in moderately carburizing atmospheres. 


Chemical Composition (wt%)

Element

310

Carbon

0.25

Chromium

24.0-26.0

Nickel

19.0-22.0

Manganese

2.00

Silicon

1.50

Phosphorus

0.045

Sulfur

0.030

* Maximum, unless range is indicated


Mechanical Properties

Property

310

Yield Strength, min. (ksi)

30

Tensile Strength, min. (ksi)

75

Elongation, min. (%)

40

Hardness, max. (Rb)

95


Physical Properties

Property

310

Density, lb/in3

0.290

Modulus of Elasticity, psi

29.0 x 106

Coefficient of Thermal Expansion, 68-212˚F, /˚F

8.8 x 10-6

Thermal Conductivity, Btu/ft hr ˚F

8.0

Specific Heat, Btu/lb ˚F

0.12

Electrical Resistivity, Microohm-in

30.7


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