DIN 17115 Grade 21Mn5 Quenched & Tempered Steel – Premium Material for Welded Round Link Chains
The steel is used for welded round link chains and chain components.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.82 - 7.83 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 217 GPa | |
20.0 °C | 212 GPa | ||
100.0 °C | 207 - 208 GPa | ||
200.0 °C | 199 - 201 GPa | ||
300.0 °C | 192 - 193 GPa | ||
400.0 °C | 184 - 185 GPa | ||
500.0 °C | 175 GPa | ||
600.0 °C | 164 GPa | ||
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Shear modulus | 23.0 °C | 82 GPa | Typical for Low Carbon Steel |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.08E-5 1/K | |
20.0 °C | 1.19E-5 1/K | ||
100.0 °C | 1.22E-5 - 1.25E-5 1/K | ||
200.0 °C | 1.29E-5 - 1.3E-5 1/K | ||
300.0 °C | 1.34E-5 - 1.36E-5 1/K | ||
400.0 °C | 1.4E-5 - 1.41E-5 1/K | ||
500.0 °C | 1.43E-5 - 1.45E-5 1/K | ||
600.0 °C | 1.46E-5 - 1.49E-5 1/K | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 430 - 461 J/(kg·K) | ||
100.0 °C | 479 - 500 J/(kg·K) | ||
200.0 °C | 499 - 540 J/(kg·K) | ||
300.0 °C | 517 - 580 J/(kg·K) | ||
400.0 °C | 536 - 620 J/(kg·K) | ||
500.0 °C | 558 - 690 J/(kg·K) | ||
600.0 °C | 587 - 780 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 39.7 - 40 W/(m·K) | |
100.0 °C | 41 - 41.3 W/(m·K) | ||
200.0 °C | 41 - 41.5 W/(m·K) | ||
300.0 °C | 40 - 40.4 W/(m·K) | ||
400.0 °C | 38 - 38.7 W/(m·K) | ||
500.0 °C | 36 - 36.6 W/(m·K) | ||
600.0 °C | 34 - 34.3 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 11 mm²/s | |
100.0 °C | 10.7 mm²/s | ||
200.0 °C | 10 mm²/s | ||
300.0 °C | 9.2 mm²/s | ||
400.0 °C | 8.2 mm²/s | ||
500.0 °C | 7.1 mm²/s | ||
600.0 °C | 5.8 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 2.6E-7 - 2.62E-7 Ω·m |
100.0 °C | 3.1E-7 Ω·m | |
200.0 °C | 3.8E-7 Ω·m | |
300.0 °C | 4.64E-7 - 4.7E-7 Ω·m | |
400.0 °C | 5.62E-7 - 5.7E-7 Ω·m | |
500.0 °C | 6.76E-7 - 6.9E-7 Ω·m | |
600.0 °C | 8.07E-7 - 8.2E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.02 - 0.05 % |
Carbon | 0.18 - 0.24 % |
Copper | 0.25 % |
Manganese | 1.1 - 1.6 % |
Phosphorus | 0.03 - 0.04 % |
Silicon | 0.25 % |
Sulfur | 0.025 - 0.035 % |
Metal
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