1.8159; 51CrV4; 50HF
Spring steel
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Dimensions:
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from Φ 16 mm to Φ 300 mm in diameter
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from 0,5 mm to 20 mm thick
Chemical composition:
Element | C | Si | Mn | P | S | Cr | V | Cu |
---|---|---|---|---|---|---|---|---|
min | 0.47 | 0.10 | 0.60 | max | max | 0.80 | 0.10 | max |
max | 0.55 | 0.40 | 1.00 | 0.025 | 0.025 | 1.10 | 0.25 | 0.40 |
Equivalents:
Wr.Nr. | PN | EN | GOST | AISI |
---|---|---|---|---|
1.8159 | 50HF | 51CrV4 | 50ХФА | 6150 |
Delivery condition:
Round bars:
- +A – annealed
Sheet metal & plates:
- +A – annealed
Description:
Chromium-vanadium spring steel. Has low propensity for surface decarbonization and high hardenability. After thermal treatment the external layer exhibits high strength. Used for manufacturing elements working under the pressure of up to 1650 MPa. Non-weldable.
Applications:
Steel for the production of gearboxes, leaf springs and springs for equipment, machines and motor vehicles.
Dimensions:

from Φ 16 mm to Φ 300 mm in diameter
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from 0,5 mm to 20 mm thick
Chemical composition:
Element | C | Si | Mn | P | S | Cr | V | Cu |
---|---|---|---|---|---|---|---|---|
min | 0.47 | 0.10 | 0.60 | max | max | 0.80 | 0.10 | max |
max | 0.55 | 0.40 | 1.00 | 0.025 | 0.025 | 1.10 | 0.25 | 0.40 |
Equivalents:
Wr.Nr. | PN | EN | GOST | AISI |
---|---|---|---|---|
1.8159 | 50HF | 51CrV4 | 50ХФА | 6150 |