EN 10025-4 Grade S420ML thermomechanically rolled
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EN 10025-4 Grade S420ML thermomechanically rolled

EN 10025-4 Grade S420ML thermomechanically rolled introduction

S420ML 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 -50°C is warranted a notch impact energy of 27J (longitudinal test specimen).
The carbon equivalent (by arrangement) amounts to:
for nominal size: 16

Equivalent material: DIN TStE420TM, IS FeE420KGTM, IS E420ML, ASTM A572 Grade 60, ASTM A633 Grade E, DIN BStE420TM, DIN StE420TM, DIN 1.8836, EN 1.8836, DIN BTStE 420 TM, DIN TStE 420 TM, DIN S420ML, BS S420ML, ISO S420M E, ISO E420 ML, ASTM Grade LF6 Class 1

EN 10025-4 Grade S420ML thermomechanically rolled general

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

EN 10025-4 Grade S420ML thermomechanically rolled thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 11.86 1/K Predicted Value
Specific heat capacity Specific heat capacity of 455.2 J/(kg·K) Predicted Value
Thermal conductivity Thermal conductivity of 38.04 W/(m·K) Predicted Value

EN 10025-4 Grade S420ML 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 0.025 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
- Phosphorus of 0.03 % 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 0.02 % thermomechanically rolled EN 10025-4, EN 10113-3 Strip, Sheet, Flat, Rod, Wire
- Sulfur of 0.025 % 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 S420ML 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 S420ML 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 17.2 % - - - Predicted Value, A200
- - Elongation of 17.5 % - - - Predicted Value, A80
- - Elongation of 19.3 % - - - 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 80.2 GPa - - - Predicted Value
Shear strength - Shear strength of 532.5 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 421.1 MPa - - - Predicted Value, RP02
- - Yield strength of 428.9 MPa - - - Predicted Value, Transverse
- - Yield strength of 476.2 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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