EN 10025-4 Grade S420M thermomechanically rolled
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EN 10025-4 Grade S420M thermomechanically rolled

EN 10025-4 Grade S420M thermomechanically rolled introduction

S420M is a weldable fine-grained steel with a min. yield point of 420 N/mm². The steel is applicated in thermo mechanical rolled condition for several types of welded constructions such as fixed and movable storage container, high-pressure pipes, bridge and load-bearing constructions.
Subsequent heating above 580°C for thermo mechanical rolled products causes reduction of the strength properties.
Application limit: at -20°C is warranted a notch impact energy of 40J (longitudinal test specimen).
The carbon equivalent (by arrangement) amounts to:
for nominal size: 16

Equivalent material: DIN StE420TM, IS S420MD, IS E420M, ASTM A572 Grade 60, DIN BStE420TM, DIN 1.8825, EN 1.8825, DIN BStE 420 TM, DIN S420M

EN 10025-4 Grade S420M thermomechanically rolled general

Property Value Comment
Density Density of 7.8 g/cm³ Typical for Steel

EN 10025-4 Grade S420M thermomechanically rolled thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 11.87 1/K Predicted Value
Specific heat capacity Specific heat capacity of 455.7 J/(kg·K) Predicted Value
Thermal conductivity Thermal conductivity of 38.02 W/(m·K) Predicted Value

EN 10025-4 Grade S420M thermomechanically rolled chemical

Property Value Condition Related Standards Shape
Aluminium Aluminium of 0.02 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Carbon Carbon of 0.16 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Chromium Chromium of 0.3 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
Copper Copper of 0.55 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
Manganese Manganese of 1.7 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Molybdenum Molybdenum of 0.2 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Nickel Nickel of 0.3 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar
- Nickel of 0.8 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
Niobium Niobium of 0.05 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Nitrogen Nitrogen of 0.02 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar
- Nitrogen of 0.025 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
Phosphorus Phosphorus of 0.03 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
- Phosphorus of 0.035 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar
Silicon Silicon of 0.5 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Sulfur Sulfur of 0.025 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
- Sulfur of 0.03 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar
Titanium Titanium of 0.05 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire
Vanadium Vanadium of 0.12 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire

EN 10025-4 Grade S420M thermomechanically rolled electrical

Property Value Comment
Electrical conductivity Electrical conductivity of 7 S/m Predicted Value
Electrical resistivity Electrical resistivity of 35 Ω·m Predicted Value

EN 10025-4 Grade S420M thermomechanically rolled mechanical

Property Temperature Value Condition Related Standards Shape Comment
Elastic modulus - Elastic modulus of 190 - 210 GPa - - - Typical for Steel
Elongation - Elongation of 17.1 % - - - Predicted Value, A200
- - Elongation of 17.5 % - - - Predicted Value, A80
- - Elongation of 19.7 % - - - Predicted Value, A80 Transverse
- - Elongation of 20.1 % - - - Predicted Value, A5
- - Elongation of 20.9 % - - - Predicted Value, Transverse
- - Elongation of 23.2 % - - - Predicted Value, A50
- 20 °C Elongation of 19 % thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire -
Hardness, Brinell - Hardness, Brinell of 245 [-] - - - Predicted Value, Transverse
Poisson's ratio - Poisson's ratio of 0.3 [-] - - - Typical for Steel
Reduction of area - Reduction of area of 42.7 % - - - Predicted Value
- - Reduction of area of 44.7 % - - - Predicted Value, Transverse
Shear modulus - Shear modulus of 80.3 GPa - - - Predicted Value
Shear strength - Shear strength of 529 MPa - - - Predicted Value
Tensile strength 20 °C Tensile strength of 460 - 680 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 460 - 660 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 460 - 650 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 460 - 630 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 460 - 620 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 470 - 680 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 470 - 660 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 470 - 650 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 470 - 630 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 470 - 620 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 480 - 680 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 480 - 660 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 480 - 650 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 480 - 630 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 480 - 620 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 500 - 660 MPa thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire -
- 20 °C Tensile strength of 500 - 680 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 500 - 650 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 500 - 630 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 500 - 620 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 520 - 680 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 520 - 660 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 520 - 650 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 520 - 630 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Tensile strength of 520 - 620 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
Yield strength - Yield strength of 251.3 MPa - - - Predicted Value, RP1
- - Yield strength of 318.7 MPa - - - Predicted Value, RP1 Transverse
- - Yield strength of 418.3 MPa - - - Predicted Value, RP02
- - Yield strength of 422.5 MPa - - - Predicted Value, Transverse
- - Yield strength of 472.4 MPa - - - Predicted Value, RP02 Transverse
- - Yield strength of 485.4 MPa - - - Predicted Value, RP002
- - Yield strength of 501.4 MPa - - - Predicted Value, RP05
- 20 °C Yield strength of 365 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Yield strength of 370 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Yield strength of 380 MPa thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire -
- 20 °C Yield strength of 390 MPa thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire -
- 20 °C Yield strength of 400 MPa thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire -
- 20 °C Yield strength of 420 MPa thermomechanically rolled EN 10113-3, EN 10025-4 Sheet, Strip, Bar, Flat, Rod, Wire -

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