EN 10217-3 Grade P355NL1 normalized or normalized formed (+N)

EN 10217-3 Grade P355NL1 normalized or normalized formed (+N) introduction

The steel P355NL1 is a weldable fine-grain structural steel (alloy quality steel) that is tough to subzero temperature. Tubes made of this steel are used in the pressure vessel construction, apparatus construction, pipeline construction as well as in the general mechanical engineering and device construction.

Equivalent material: ASTM A672 Grade C70, ASTM A672 Grade N75, ASTM Grade C70, ASTM Grade N75, ASTM C70, ASTM N75, DIN TStE355, DIN 1.0566, DIN TStE 355, DIN P355NL1, DIN A350LF2, AFNOR P355NL1, AFNOR A510FP1, AFNOR A510FP, BS 225-490 A, BS P355NL1, UNI A510 FP, JIS SLA37, JIS SLA365, JIS STK50, JIS STK51, JIS STK490, JIS STK500, JIS E355E, EN 1.0566, ISO E355-E, ISO P355NL1, ISO PT490ML1, ISO PT490ML3, ISO PT490QL2, ISO E355E, GB/T L14204, GB/T Q420q-D, UNS K01600, UNS K02003, UNS K02007, UNS K02010, UNS K02302, UNS K02700, UNS K02701, UNS K02803, UNS K03301, UNS K11803, UNS K12037, UNS K12609

EN 10217-3 Grade P355NL1 normalized or normalized formed (+N) general

Property Temperature Value
Density 20.0 °C Density of 7.83 - 7.84 g/cm³

EN 10217-3 Grade P355NL1 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 1.25E-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 - 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 430 - 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 - 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 -

EN 10217-3 Grade P355NL1 normalized or normalized formed (+N) chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.18 %
Chromium Chromium of 0.3 %
Copper Copper of 0.3 %
Manganese Manganese of 0.9 - 1.7 %
Molybdenum Molybdenum of 0.08 %
Nickel Nickel of 0.5 %
Niobium Niobium of 0.05 %
Nitrogen Nitrogen of 0.02 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.5 %
Sulfur Sulfur of 0.02 %
Titanium Titanium of 0.03 %
Vanadium Vanadium of 0.1 %

EN 10217-3 Grade P355NL1 normalized or normalized formed (+N) magnetic

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

EN 10217-3 Grade P355NL1 normalized or normalized formed (+N) 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 - 2.5E-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

EN 10217-3 Grade P355NL1 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 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 22 % -
Elongation, transverse 20.0 °C Elongation, transverse of 20 % -
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 490 - 650 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 490 - 650 MPa -
Yield strength 20.0 °C Yield strength of 345 - 355 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 345 - 355 MPa -

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