EN 10137-2 Grade S890QL – High-Strength Quenched & Tempered Steel for Heavy-Duty Applications
S890QL is a tempered and weldable fine grained steel. yield point: >890 N/mm² application: welded steel constructions of various types, e.g. bridges and load-carrying constructions as well as transport vehicles, lifting and earthmoving machines. application limits: at -40°C is warranted a notch impact energy of 30 J (longitudinal test specimen) cold formability: for nominal size < 16 mm bending radius in transversal direction 3xs in longitudinal direction 4xs (s= nominal thickness) hot forming property: allowed only for stress relieve annealing temperature (max. 580°C) suitability for welding: Steel is weldable according to the common welding methods (EURONORM-INFORMATION Nr. 2 has to be considered)
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.84 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 210 GPa | |
Elongation | 20.0 °C | 11 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Steel |
Tensile strength | 20.0 °C | 880 - 1100 MPa | |
Yield strength | 20.0 °C | 830 - 890 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.2E-5 1/K |
Specific heat capacity | 20.0 °C | 440 J/(kg·K) |
Thermal conductivity | 20.0 °C | 38 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 2.8E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Boron | 5E-3 % |
Carbon | 0.2 % |
Chromium | 1.5 % |
Copper | 0.5 % |
Manganese | 1.7 % |
Molybdenum | 0.7 % |
Nickel | 2 % |
Niobium | 0.06 % |
Nitrogen | 0.02 % |
Phosphorus | 0.02 % |
Silicon | 0.8 % |
Sulfur | 0.01 % |
Titanium | 0.05 % |
Vanadium | 0.12 % |
Zirconium | 0.15 % |
Metal
- EN 10137-3 Grade S500A: Quenched & Tempered Fine‑Grained Steel for Structural Applications
- EN 10083-1 Grade 51CrV4: Quenched & Tempered Steel (QT)
- EN 10213 Grade G17CrMo9-10 – Quenched & Tempered (QT) Steel for High-Temperature Applications
- EN 10085 Grade 15 CrMoV 5.9: Quenched & Tempered Steel for Durable Machine Components
- EN 10085 Grade 31CrMo12 – High-Performance Quenched & Tempered Steel for Heavy‑Duty Applications
- EN 10216-2 Grade 11CrMo9-10 Quenched & Tempered Seamless Tubes – High‑Temperature, High‑Pressure Applications
- EN 10132-3: 42CrMo4 Quenched & Tempered Alloy Steel – Premium Cold-Rolled Strips
- EN 10089 60Cr3 Quenched & Tempered Steel – Ideal for Springs & Mechanical Applications
- EN 10273 13CrMo4-5 Quenched & Tempered Steel – High-Temperature Performance
- EN 10222-4 P420QH Quenched & Tempered Steel – High-Strength, Weldable, Ideal for Pressure Vessels