ASTM A747 Grade CB7Cu-2 Precipitation hardened H925

Equivalent material: UNS J92110, DIN 1.4545, DIN X5CrNiCuNb15-5, DIN 1.4545.4, DIN 1.4545.9, AISI XM-12, SAE XM-12, EN X5CrNiCu15-5, EN 1.4545, ASTM XM-12

ASTM A747 Grade CB7Cu-2 Precipitation hardened H925 general

Property Temperature Value Comment
Density 23.0 °C Density of 7.6 - 7.7 g/cm³ Typical for Martensitic Stainless Steel

ASTM A747 Grade CB7Cu-2 Precipitation hardened H925 thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1E-5 - 1.5E-5 1/K Typical for Martensitic Stainless Steel
Melting point - Melting point of 1370 - 1530 °C Typical for Martensitic Stainless Steel
Specific heat capacity 23.0 °C Specific heat capacity of 460 J/(kg·K) Typical for Martensitic Stainless Steel
Thermal conductivity 23.0 °C Thermal conductivity of 14 - 31 W/(m·K) Typical for Martensitic Stainless Steel

ASTM A747 Grade CB7Cu-2 Precipitation hardened H925 chemical

Property Value
Carbon Carbon of 0.07 %
Chromium Chromium of 14 - 15.5 %
Copper Copper of 2.5 - 3.2 %
Manganese Manganese of 0.7 %
Nickel Nickel of 4.5 - 5.5 %
Niobium Niobium of 0.15 - 0.35 %
Nitrogen Nitrogen of 0.05 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %

ASTM A747 Grade CB7Cu-2 Precipitation hardened H925 electrical

Property Temperature Value Comment
Electrical resistivity 23.0 °C Electrical resistivity of 6E-7 Ω·m Typical for Martensitic Stainless Steel

ASTM A747 Grade CB7Cu-2 Precipitation hardened H925 mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 220 GPa Typical for Martensitic Stainless Steel
Elongation A50 23.0 °C Elongation A50 of 5 % -
Hardness, Brinell 23.0 °C Hardness, Brinell of 375 [-] -
Hardness, Rockwell C 23.0 °C Hardness, Rockwell C of 40 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Martensitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Martensitic Stainless Steel
Tensile strength 23.0 °C Tensile strength of 1205 MPa -
Yield strength Rp0.2 23.0 °C Yield strength Rp0.2 of 1035 MPa -

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