TAGS: steel | stainless steel plate | ASTM A240 | 316L |
ASTM A240 Grade 316L Heat-Treated is a specific variant of stainless steel grade 316L that has undergone heat treatment as per the ASTM A240 standard.
ASTM A240 Grade 316L is an austenitic stainless steel known for its excellent corrosion resistance, especially in aggressive environments. The "L" in the grade designation signifies low carbon content, which enhances resistance to sensitization and intergranular corrosion.
The heat treatment process applied to ASTM A240 Grade 316L involves controlled heating and cooling to modify the material's microstructure and improve certain properties. Heat treatment can enhance the steel's strength, hardness, and other mechanical characteristics based on specific requirements.
Heat-treated ASTM A240 Grade 316L stainless steel exhibits improved performance in terms of strength, corrosion resistance, and durability compared to the annealed condition. The exact details of the heat treatment process, including temperature, duration, and cooling method, can vary depending on the desired properties and application requirements.
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Property
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Temperature
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Value
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Comment
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Density
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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
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Temperature
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Value
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Comment
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|---|---|---|---|
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Elastic modulus
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23.0 °C
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195 GPa
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Typical for Austenitic Stainless Steel
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Elongation A50
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23.0 °C
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40 %
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Hardness, Brinell
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23.0 °C
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217 [-]
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Hardness, Rockwell B
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23.0 °C
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95 [-]
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Poisson's ratio
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23.0 °C
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0.3 [-]
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Typical for Austenitic Stainless Steel
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Shear modulus
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23.0 °C
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77 GPa
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Typical for Austenitic Stainless Steel
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Tensile strength
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23.0 °C
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485 MPa
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Yield strength Rp0.2
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23.0 °C
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170 MPa
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Yield strength Rp1.0
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23.0 °C
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260 MPa
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Property
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Temperature
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Value
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Comment
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|---|---|---|---|
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Coefficient of thermal expansion
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23.0 °C
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1.7E-5 - 1.9E-5 1/K
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Typical for Austenitic Stainless Steel
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Melting point
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1230 - 1480 °C
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Typical for Austenitic Stainless Steel
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Specific heat capacity
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23.0 °C
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440 J/(kg·K)
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Typical for Austenitic Stainless Steel
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Thermal conductivity
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23.0 °C
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11 - 21 W/(m·K)
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Typical for Austenitic Stainless Steel
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Property
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Temperature
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Value
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Comment
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|---|---|---|---|
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Electrical resistivity
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23.0 °C
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8.5E-7 Ω·m
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Typical for Austenitic Stainless Steel
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Property
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Value
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|---|---|
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Carbon
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0.03 %
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Chromium
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16 - 18 %
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Manganese
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2 %
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Molybdenum
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2 - 3 %
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Nickel
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10 - 14 %
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Nitrogen
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0.1 %
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Phosphorus
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0.05 %
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Silicon
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0.75 %
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Sulfur
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0.03 %
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