EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT)
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EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT)

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) introduction

The austenitic steel X6CrNi25-20 is applicated for high temperature resistant construction parts. The material is not resistant to intercrystalline corrosion. The steel is according to DIN EN 10095 usable as heat resistant steel.

Equivalent material: ASTM A240Type310H, SAE 310H, UNS S31009, GB 06Cr25Ni20, GB S31008, ISO X6CrNi25-20, DIN 1.4951, EN 1.4951

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.9 g/cm³

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 200.0 °C Coefficient of thermal expansion of 1.55E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.63E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.7E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.73E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.75E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.8E-5 1/K -
- 800.0 °C Coefficient of thermal expansion of 1.85E-5 1/K -
- 900.0 °C Coefficient of thermal expansion of 1.88E-5 1/K -
- 1000.0 °C Coefficient of thermal expansion of 1.9E-5 1/K -
Melting point - Melting point of 1230 - 1480 °C Typical for Austenitic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 500 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 15 W/(m·K) -

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) chemical

Property Value
Carbon Carbon of 0.04 - 0.08 %
Chromium Chromium of 24 - 26 %
Manganese Manganese of 2 %
Nickel Nickel of 19 - 22 %
Nitrogen Nitrogen of 0.1 - 0.11 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.7 %
Sulfur Sulfur of 0.015 %

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 8.5E-7 Ω·m

EN 10028-7 Grade X6CrNi25-20 solution annealed (+AT) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 200 GPa -
- 100.0 °C Elastic modulus of 190 GPa -
- 200.0 °C Elastic modulus of 185 GPa -
- 300.0 °C Elastic modulus of 175 GPa -
- 400.0 °C Elastic modulus of 170 GPa -
- 500.0 °C Elastic modulus of 160 GPa -
- 600.0 °C Elastic modulus of 155 GPa -
- 700.0 °C Elastic modulus of 145 GPa -
- 800.0 °C Elastic modulus of 140 GPa -
- 900.0 °C Elastic modulus of 135 GPa -
- 1000.0 °C Elastic modulus of 125 GPa -
Elongation A80, transverse 20.0 °C Elongation A80, transverse of 35 % -
Elongation, transverse 20.0 °C Elongation, transverse of 35 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Austenitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Austenitic Stainless Steel
Tensile strength 20.0 °C Tensile strength of 510 - 730 MPa -
- 50.0 °C Tensile strength of 495 MPa -
- 100.0 °C Tensile strength of 470 MPa -
- 150.0 °C Tensile strength of 450 MPa -
- 200.0 °C Tensile strength of 430 MPa -
- 250.0 °C Tensile strength of 420 MPa -
- 300.0 °C Tensile strength of 410 MPa -
- 350.0 °C Tensile strength of 405 MPa -
- 400.0 °C Tensile strength of 400 MPa -
- 450.0 °C Tensile strength of 385 MPa -
- 500.0 °C Tensile strength of 370 MPa -
- 550.0 °C Tensile strength of 350 MPa -
- 600.0 °C Tensile strength of 320 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 510 - 730 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 177 MPa -
- 100.0 °C Yield strength Rp0.2 of 140 MPa -
- 150.0 °C Yield strength Rp0.2 of 128 MPa -
- 200.0 °C Yield strength Rp0.2 of 116 MPa -
- 250.0 °C Yield strength Rp0.2 of 108 MPa -
- 300.0 °C Yield strength Rp0.2 of 100 MPa -
- 350.0 °C Yield strength Rp0.2 of 94 MPa -
- 400.0 °C Yield strength Rp0.2 of 91 MPa -
- 450.0 °C Yield strength Rp0.2 of 86 MPa -
- 500.0 °C Yield strength Rp0.2 of 85 MPa -
- 550.0 °C Yield strength Rp0.2 of 84 MPa -
- 600.0 °C Yield strength Rp0.2 of 82 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 200 - 220 MPa -
Yield strength Rp1.0 50.0 °C Yield strength Rp1.0 of 219 MPa -
- 100.0 °C Yield strength Rp1.0 of 185 MPa -
- 150.0 °C Yield strength Rp1.0 of 167 MPa -
- 200.0 °C Yield strength Rp1.0 of 154 MPa -
- 250.0 °C Yield strength Rp1.0 of 146 MPa -
- 300.0 °C Yield strength Rp1.0 of 139 MPa -
- 350.0 °C Yield strength Rp1.0 of 132 MPa -
- 400.0 °C Yield strength Rp1.0 of 126 MPa -
- 450.0 °C Yield strength Rp1.0 of 123 MPa -
- 500.0 °C Yield strength Rp1.0 of 121 MPa -
- 550.0 °C Yield strength Rp1.0 of 118 MPa -
- 600.0 °C Yield strength Rp1.0 of 114 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 240 - 250 MPa -

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