DIN 1630 Grade St 52.4 hot worked, normalized
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DIN 1630 Grade St 52.4 hot worked, normalized

DIN 1630 Grade St 52.4 hot worked, normalized introduction

Seamless tubes made from St 52.4 are used in the apparatus engineering, container and pipe construction as well as mechanical engineering. Operating temperature max. 300 °C, the allowed pressure is unlimited.
The steel is weldable.

Equivalent material: AFNOR TU52-6, BS HFS5, JIS STS49-s, ASTM Grade III, DIN St52.4, DIN 1.0581, DIN P355T2, AFNOR TU E 275, AFNOR TS 52 CP, JIS STS49, JIS STS480, EN P355N, EN 1.0581

DIN 1630 Grade St 52.4 hot worked, normalized general

Property Temperature Value
Density 20.0 °C Density of 7.83 g/cm³

DIN 1630 Grade St 52.4 hot worked, normalized 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 1.25E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.3E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.36E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.41E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.45E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.49E-5 1/K -
Max service temperature, long - Max service temperature, long of 0 - 300 °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 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 -100.0 °C Thermal conductivity of 37.6 W/(m·K) -
- 20.0 °C Thermal conductivity of 42.2 W/(m·K) -
- 100.0 °C Thermal conductivity of 43.2 W/(m·K) -
- 200.0 °C Thermal conductivity of 42.9 W/(m·K) -
- 300.0 °C Thermal conductivity of 41.2 W/(m·K) -
- 400.0 °C Thermal conductivity of 39.1 W/(m·K) -
- 500.0 °C Thermal conductivity of 36.6 W/(m·K) -
- 600.0 °C Thermal conductivity of 34.1 W/(m·K) -
Thermal diffusivity -100.0 °C Thermal diffusivity of 12.9 mm²/s -
- 20.0 °C Thermal diffusivity of 11.7 mm²/s -
- 100.0 °C Thermal diffusivity of 11.2 mm²/s -
- 200.0 °C Thermal diffusivity of 10.3 mm²/s -
- 300.0 °C Thermal diffusivity of 9.4 mm²/s -
- 400.0 °C Thermal diffusivity of 8.3 mm²/s -
- 500.0 °C Thermal diffusivity of 7.1 mm²/s -
- 600.0 °C Thermal diffusivity of 5.7 mm²/s -

DIN 1630 Grade St 52.4 hot worked, normalized chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.22 %
Manganese Manganese of 1.6 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.35 %
Sulfur Sulfur of 0.035 %

DIN 1630 Grade St 52.4 hot worked, normalized magnetic

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

DIN 1630 Grade St 52.4 hot worked, normalized electrical

Property Temperature Value
Electrical resistivity -100.0 °C Electrical resistivity of 1.82E-7 Ω·m
- 20.0 °C Electrical resistivity of 2.47E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.96E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.68E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.55E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.56E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.75E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.13E-7 Ω·m

DIN 1630 Grade St 52.4 hot worked, normalized 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 GPa -
- 200.0 °C Elastic modulus of 199 GPa -
- 300.0 °C Elastic modulus of 192 GPa -
- 400.0 °C Elastic modulus of 184 GPa -
- 500.0 °C Elastic modulus of 175 GPa -
- 600.0 °C Elastic modulus of 164 GPa -
Elongation 20.0 °C Elongation of 21 % -
Elongation, transverse 20.0 °C Elongation, transverse of 19 % -
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Tensile strength 20.0 °C Tensile strength of 500 - 650 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 500 - 650 MPa -
Yield strength 20.0 °C Yield strength of 335 - 355 MPa -
Yield strength Rp0.2 50.0 °C Yield strength Rp0.2 of 335 - 355 MPa -
- 200.0 °C Yield strength Rp0.2 of 225 - 245 MPa -
- 250.0 °C Yield strength Rp0.2 of 210 - 225 MPa -
- 300.0 °C Yield strength Rp0.2 of 185 - 195 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 335 - 355 MPa -

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