EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC)
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) introduction
Cold-rolled narrow strip made of the alloy steel 34CrMo4 will be delivered in thicknesses up to 6 mm for quenching and tempering and for quenched and tempered cold strip in thicknesses between 0.3 mm and 3.0 mm in following conditions:
- soft annealed or soft annealed and little rerolled (+A or +LC),
- cold rolled (+CR),
- quenched and tempered (+QT).
The delivery condition annealed to globular carbides (+AC) can be agreed.
Equivalent material: JIS SCM435M, ASTM A506 Grade 4135, ASTM A506 Grade 4137, UNS G41350, UNS G41370, DIN 1.7220, DIN 34CrMo4, AFNOR 35CD4, BS 708A37, UNI 35CrMo4, SS 2234, UNE 34CrMo4, AISI 4137, AISI 4135, AISI 4135H, AISI 4137H, SAE 4137, SAE 4135, SAE 4135H, SAE 4137H, JIS SCM435, JIS SCCRM3, JIS STH22, JIS SCM3H, JIS SCCrM3, JIS SCM435H, JIS SCM435TK, JIS SCM432, JIS SCM430M, EN 1.7220, GOST 34ChM, GB ML30CrMo, ASTM 4135H, ASTM 4137, ASTM 4135, ASTM Grade L72, ASTM Grade L7B, UNS H41350, UNS H41370
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.81 g/cm³ |
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.27E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.32E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.44E-5 1/K |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 39.6 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 41.6 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 41.8 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 40.3 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 38.2 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 33.6 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 10.8 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.1 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.2 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.1 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.7 mm²/s |
- |
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) chemical
| Property |
Value |
| Carbon |
Carbon of 0.3 - 0.37 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.63E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.08E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.78E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.66E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.69E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.87E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.26E-7 Ω·m |
EN 10132-3 Grade 34CrMo4 soft annealed or soft annealed and skin passed (+A or +A+LC) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 210.27 - 212 GPa |
| - |
100.0 °C |
Elastic modulus of 205.17 - 207 GPa |
| - |
200.0 °C |
Elastic modulus of 198.68 - 199 GPa |
| - |
300.0 °C |
Elastic modulus of 191.11 - 192 GPa |
| - |
400.0 °C |
Elastic modulus of 182.31 - 184 GPa |
| - |
500.0 °C |
Elastic modulus of 171.64 - 175 GPa |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
| Elongation A80 |
20.0 °C |
Elongation A80 of 16 % |
| Hardness, Rockwell B |
20.0 °C |
Hardness, Rockwell B of 88 [-] |
| Hardness, Vickers |
20.0 °C |
Hardness, Vickers of 185 [-] |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
100.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
200.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
300.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
400.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
500.0 °C |
Poisson's ratio of 0.31 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 81.88 GPa |
| - |
100.0 °C |
Shear modulus of 79.57 GPa |
| - |
200.0 °C |
Shear modulus of 76.63 GPa |
| - |
300.0 °C |
Shear modulus of 73.54 GPa |
| - |
400.0 °C |
Shear modulus of 69.99 GPa |
| - |
500.0 °C |
Shear modulus of 65.66 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 600 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 460 MPa |
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