TAGS: steel | stainless steel plate | ASTM A240 | 316LN |
ASTM A240 Grade 316LN Heat-Treated is a specific variant of stainless steel grade 316LN that has undergone heat treatment according to the ASTM A240 standard.
ASTM A240 Grade 316LN is an austenitic stainless steel with low carbon content and nitrogen addition, which enhances its resistance to sensitization and intergranular corrosion. This grade offers excellent corrosion resistance, high strength, and good toughness.
The heat treatment process applied to ASTM A240 Grade 316LN involves controlled heating and cooling to modify the material's microstructure and enhance certain properties. Heat treatment can improve the steel's strength, hardness, and other mechanical characteristics based on specific requirements.
Heat-treated ASTM A240 Grade 316LN stainless steel exhibits improved performance compared to the annealed condition. The heat treatment process may involve heating the material to a specific temperature range and then cooling it at a controlled rate. The exact details of the heat treatment process, including temperature and duration, will depend on the desired properties and intended application.
Property
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Temperature
|
Value
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Comment
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---|---|---|---|
Density
|
23.0 °C
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7.9 - 8.2 g/cm³
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Typical for Austenitic Stainless Steel
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Property
|
Temperature
|
Value
|
Comment
|
---|---|---|---|
Elastic modulus
|
23.0 °C
|
195 GPa
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Typical for Austenitic Stainless Steel
|
Elongation A50
|
23.0 °C
|
40 %
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|
Hardness, Brinell
|
23.0 °C
|
217 [-]
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|
Hardness, Rockwell B
|
23.0 °C
|
95 [-]
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|
|
Poisson's ratio
|
23.0 °C
|
0.3 [-]
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Typical for Austenitic Stainless Steel
|
Shear modulus
|
23.0 °C
|
77 GPa
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Typical for Austenitic Stainless Steel
|
Tensile strength
|
23.0 °C
|
515 MPa
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Yield strength Rp0.2
|
23.0 °C
|
205 MPa
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|
Yield strength Rp1.0
|
23.0 °C
|
320 MPa
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|
Property
|
Temperature
|
Value
|
Comment
|
---|---|---|---|
Coefficient of thermal expansion
|
23.0 °C
|
1.7E-5 - 1.9E-5 1/K
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|
Typical for Austenitic Stainless Steel
|
Melting point
|
|
1230 - 1480 °C
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|
Typical for Austenitic Stainless Steel
|
Specific heat capacity
|
23.0 °C
|
440 J/(kg·K)
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|
Typical for Austenitic Stainless Steel
|
Thermal conductivity
|
23.0 °C
|
11 - 21 W/(m·K)
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|
Typical for Austenitic Stainless Steel
|
Property
|
Temperature
|
Value
|
Comment
|
---|---|---|---|
Electrical resistivity
|
23.0 °C
|
8.5E-7 Ω·m
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|
Typical for Austenitic Stainless Steel
|
Property
|
Value
|
---|---|
Carbon
|
0.03 %
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|
Chromium
|
16 - 18 %
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Manganese
|
2 %
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Molybdenum
|
2 - 3 %
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Nickel
|
10 - 14 %
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Nitrogen
|
0.1 - 0.16 %
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Phosphorus
|
0.05 %
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Silicon
|
0.75 %
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Sulfur
|
0.03 %
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