DIN 17243 Grade C22.8 normalized or normalized formed (+N)
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DIN 17243 Grade C22.8 normalized or normalized formed (+N)

DIN 17243 Grade C22.8 normalized or normalized formed (+N) introduction

High temperature steel. Application for shapes and flanges.

Equivalent material: AFNOR CC20, BS 221-430, GOST 20, ISO F13, JIS SFV1, PN 20, ASTM A181 Grade 60, ASTM A181 Grade 70, DIN P250GH, DIN 1.0460, ASTM Grade 60, ASTM Grade 70, ASTM 60+70, DIN C22G2, AFNOR P250GH, BS P250GH, EN P250GH, EN 1.0460, UNS K03504

DIN 17243 Grade C22.8 normalized or normalized formed (+N) general

Property Temperature Value
Density 20.0 °C Density of 7.85 g/cm³

DIN 17243 Grade C22.8 normalized or normalized formed (+N) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.08E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.19E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.1E-5 - 1.25E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.2E-5 - 1.3E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.3E-5 - 1.36E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.35E-5 - 1.41E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.4E-5 - 1.45E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.4E-5 - 1.49E-5 1/K -
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1480 - 1526 °C Typical for Low Carbon Steel
Specific heat capacity -100.0 °C Specific heat capacity of 423 J/(kg·K) -
- 20.0 °C Specific heat capacity of 461 J/(kg·K) -
- 100.0 °C Specific heat capacity of 479 J/(kg·K) -
- 200.0 °C Specific heat capacity of 499 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 536 J/(kg·K) -
- 500.0 °C Specific heat capacity of 558 J/(kg·K) -
- 600.0 °C Specific heat capacity of 587 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 51 W/(m·K) -
- 100.0 °C Thermal conductivity of 50.8 W/(m·K) -
- 200.0 °C Thermal conductivity of 48.7 W/(m·K) -
- 300.0 °C Thermal conductivity of 45.8 W/(m·K) -
- 400.0 °C Thermal conductivity of 42.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 39.2 W/(m·K) -
- 600.0 °C Thermal conductivity of 36 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 14.1 mm²/s -
- 100.0 °C Thermal diffusivity of 13.1 mm²/s -
- 200.0 °C Thermal diffusivity of 11.7 mm²/s -
- 300.0 °C Thermal diffusivity of 10.4 mm²/s -
- 400.0 °C Thermal diffusivity of 9 mm²/s -
- 500.0 °C Thermal diffusivity of 7.6 mm²/s -
- 600.0 °C Thermal diffusivity of 6.1 mm²/s -

DIN 17243 Grade C22.8 normalized or normalized formed (+N) chemical

Property Value
Aluminium Aluminium of 0.015 - 0.05 %
Carbon Carbon of 0.18 - 0.23 %
Chromium Chromium of 0.3 %
Manganese Manganese of 0.4 - 0.9 %
Phosphorus Phosphorus of 0.03 - 0.04 %
Silicon Silicon of 0.15 - 0.4 %
Sulfur Sulfur of 0.015 - 0.03 %

DIN 17243 Grade C22.8 normalized or normalized formed (+N) magnetic

Property Value Comment
Curie temperature Curie temperature of 770 °C Typical for Low Carbon Steel

DIN 17243 Grade C22.8 normalized or normalized formed (+N) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 2.04E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.52E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.24E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.1E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.12E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.31E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.7E-7 Ω·m

DIN 17243 Grade C22.8 normalized or normalized formed (+N) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 217 GPa -
- 20.0 °C Elastic modulus of 212 GPa -
- 100.0 °C Elastic modulus of 195 - 207 GPa -
- 200.0 °C Elastic modulus of 195 - 199 GPa -
- 300.0 °C Elastic modulus of 185 - 192 GPa -
- 400.0 °C Elastic modulus of 175 - 184 GPa -
- 500.0 °C Elastic modulus of 165 - 175 GPa -
- 600.0 °C Elastic modulus of 155 - 164 GPa -
Elongation 20.0 °C Elongation of 19 - 25 % -
Elongation, transverse 20.0 °C Elongation, transverse of 19 - 23 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Shear modulus 23.0 °C Shear modulus of 82 GPa Typical for Low Carbon Steel
Tensile strength 20.0 °C Tensile strength of 400 - 540 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 400 - 540 MPa -
Yield strength 20.0 °C Yield strength of 210 - 250 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 200 - 250 MPa -
- 100.0 °C Yield strength Rp0.2 of 190 - 237 MPa -
- 150.0 °C Yield strength Rp0.2 of 170 - 216 MPa -
- 200.0 °C Yield strength Rp0.2 of 155 - 190 MPa -
- 250.0 °C Yield strength Rp0.2 of 135 - 170 MPa -
- 300.0 °C Yield strength Rp0.2 of 115 - 150 MPa -
- 350.0 °C Yield strength Rp0.2 of 100 - 145 MPa -
- 400.0 °C Yield strength Rp0.2 of 80 - 135 MPa -
- 420.0 °C Yield strength Rp0.2 of 65 - 90 MPa -
- 450.0 °C Yield strength Rp0.2 of 60 - 90 MPa -

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