EN 10137-3 Grade S500A: Quenched & Tempered Fine‑Grained Steel for Structural Applications
S500A is a precipitation hardening and weldable fine grained steel. yield point: >500 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 -20°C is warranted a notch impact energy of 40 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) surface refineability: productcs suitability for hot galvanizing can be warranted on order.
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 | 17 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Steel |
Tensile strength | 20.0 °C | 600 - 770 MPa | |
Yield strength | 20.0 °C | 480 - 500 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.2E-5 1/K |
Specific heat capacity | 20.0 °C | 430 J/(kg·K) |
Thermal conductivity | 20.0 °C | 39 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 2.7E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 - 0.12 % |
Manganese | 0.3 - 1.8 % |
Phosphorus | 0.03 % |
Silicon | 0.5 % |
Sulfur | 0.015 % |
Metal
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