DIN 17155 Grade 17Mn4 normalized or normalized formed (+N)
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DIN 17155 Grade 17Mn4 normalized or normalized formed (+N)

DIN 17155 Grade 17Mn4 normalized or normalized formed (+N) introduction

High temperature steel for the steam and pressure vessel construction.
Max. operating temperature: 530 °C, also in the nuclear engineering.
Application:
collectors, distributor, flanges, shapes

Equivalent material: AFNOR A48-CP, BS 224grade400B, GOST 16GS, ISO P13, UNI Fe460-1KG, JIS SGV46, ÖNORM 17Mn4KW, UNE A47RC1, ASTM Grade E, DIN P295GH, DIN 1.0426, DIN P280GH, AFNOR P280GH, BS P280GH, EN P280GH, EN 1.0426, UNS K02100, UNS K01701, DIN 1.0481, AFNOR A48CP, AFNOR P295GH, BS 224-460B, BS P295GH, JIS SG365, JIS SGV410, JIS SGV450, JIS SGV480, JIS SPV315, JIS STB510, EN P295GH, EN 1.0481, ISO P295GH, ISO PT490, ASTM Grade C, UNS K03501, UNS K03102, UNS K03101, UNS K02203

DIN 17155 Grade 17Mn4 normalized or normalized formed (+N) general

Property Temperature Value
Density 20.0 °C Density of 7.84 - 7.85 g/cm³

DIN 17155 Grade 17Mn4 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 1.22E-5 - 1.25E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.29E-5 - 1.3E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.34E-5 - 1.36E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.4E-5 - 1.41E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.43E-5 - 1.45E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.46E-5 - 1.49E-5 1/K -
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Max service temperature, long - Max service temperature, long of 0 - 530 °C -
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 - 500 J/(kg·K) -
- 200.0 °C Specific heat capacity of 499 - 540 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 - 580 J/(kg·K) -
- 400.0 °C Specific heat capacity of 536 - 620 J/(kg·K) -
- 500.0 °C Specific heat capacity of 558 - 690 J/(kg·K) -
- 600.0 °C Specific heat capacity of 587 - 780 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 46.5 - 51 W/(m·K) -
- 100.0 °C Thermal conductivity of 47 - 50.8 W/(m·K) -
- 200.0 °C Thermal conductivity of 45.9 - 48.7 W/(m·K) -
- 300.0 °C Thermal conductivity of 43.5 - 45.8 W/(m·K) -
- 400.0 °C Thermal conductivity of 40.9 - 42.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 38 - 39.2 W/(m·K) -
- 600.0 °C Thermal conductivity of 35 - 36 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 12.9 - 14.1 mm²/s -
- 100.0 °C Thermal diffusivity of 12.2 - 13.1 mm²/s -
- 200.0 °C Thermal diffusivity of 11.1 - 11.7 mm²/s -
- 300.0 °C Thermal diffusivity of 9.9 - 10.4 mm²/s -
- 400.0 °C Thermal diffusivity of 8.7 - 9 mm²/s -
- 500.0 °C Thermal diffusivity of 7.3 - 7.6 mm²/s -
- 600.0 °C Thermal diffusivity of 5.9 - 6.1 mm²/s -

DIN 17155 Grade 17Mn4 normalized or normalized formed (+N) chemical

Property Value
Aluminium Aluminium of 0.015 - 0.05 %
Carbon Carbon of 0.14 - 0.2 %
Chromium Chromium of 0.25 - 0.3 %
Manganese Manganese of 0.9 - 1.2 %
Molybdenum Molybdenum of 1 %
Nickel Nickel of 0.3 %
Niobium Niobium of 0.01 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.2 - 0.4 %
Sulfur Sulfur of 0.03 %
Titanium Titanium of 0.02 %
Vanadium Vanadium of 0.03 %

DIN 17155 Grade 17Mn4 normalized or normalized formed (+N) magnetic

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

DIN 17155 Grade 17Mn4 normalized or normalized formed (+N) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 2.04E-7 - 2.24E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.52E-7 - 2.71E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.24E-7 - 3.44E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.1E-7 - 4.31E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.12E-7 - 5.32E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.31E-7 - 6.5E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.7E-7 - 7.9E-7 Ω·m

DIN 17155 Grade 17Mn4 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 207 - 208 GPa -
- 200.0 °C Elastic modulus of 199 - 201 GPa -
- 300.0 °C Elastic modulus of 192 - 193 GPa -
- 400.0 °C Elastic modulus of 184 - 185 GPa -
- 500.0 °C Elastic modulus of 175 GPa -
- 600.0 °C Elastic modulus of 164 GPa -
Elongation 20.0 °C Elongation of 20 - 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 440 - 580 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 230 - 290 MPa -
- 100.0 °C Yield strength Rp0.2 of 225 MPa -
- 150.0 °C Yield strength Rp0.2 of 210 MPa -
- 200.0 °C Yield strength Rp0.2 of 180 - 245 MPa -
- 250.0 °C Yield strength Rp0.2 of 165 - 225 MPa -
- 300.0 °C Yield strength Rp0.2 of 150 - 205 MPa -
- 350.0 °C Yield strength Rp0.2 of 135 - 175 MPa -
- 400.0 °C Yield strength Rp0.2 of 120 - 155 MPa -
- 450.0 °C Yield strength Rp0.2 of 100 - 135 MPa -

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