52CrMoV4, 51CrMoV4, 1.7701, AISI 4150 - spring steel according to EN 10089:2005
Table of content:
| Standard | Grade | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical composition % | |||||||||||||||
| C: | Si; | Mn: | P: | S: | Cr: | Mo: | V: | ||||||||
| EN | 52CrMoV4 / 1.7701 | ||||||||||||||
| 0,48-0,56 | <0,4 | 0,7-1,1 | <0,025 | <0,025 | 0,9-1,2 | 0,15-0,30 | 0,1-0,2 | ||||||||
| EN | 51CrMoV4 | ||||||||||||||
| 0,48-0,56 | 0,15-0,40 | 0,7-1,0 | <0,035 | <0,035 | 0,9-1,2 | 0,15-0,30 | 0,07-0,12 | ||||||||
| NF | 51CDV4 | ||||||||||||||
| 0,48-0,56 | 0,15-0,40 | 0,7-1,1 | <0,025 | <0,020 | 0,9-1,2 | 0,15-0,25 | 0,07-0,12 | ||||||||
| DIN | 58CrMoV4 | ||||||||||||||
| 0,58-0,62 | 0,2-0,3 | 0,80-0,95 | <0,020 | <0,010 | 0,90-1,05 | 0,15-0,25 | 0,10-0,15 | ||||||||
| UNE | F-1460 | ||||||||||||||
| 0,48-0,56 | 0,15-0,40 | 0,7-1,0 | <0,035 | <0,035 | 0,9-1,2 | 0,15-0,25 | 0,07-1,12 | ||||||||
| ASTM | AISI 4150 - UNS G41500 | ||||||||||||||
| 0,48-0,53 | 0,15-0,30 | 0,75-1,0 | <0,035 | <0,040 | 0,8-1,1 | 0,15-0,25 | - | ||||||||
52CrMoV4, 51CrMoV4, 1.7701, AISI 4150 – description
Spring steel for quenching in oil, hard, ductile and hardenable. Used for all types of springs in the automotive industry with high strength requirements, including shock absorber springs, sealing rings and valve springs.
The strength and hardenability of 52CrMoV4 steel is strengthened not only by chromium and vanadium - as in the case of 51CrV4 / AISI 6150, but also by molybdenum. Molybdenum strengthens the solution during heat treatment, while chromium and vanadium form carbides that improve the hardness of the material during tempering.
Mechanical and Physical Properties - 52CrMoV4
Physical properties in ambient temperature:
- Density: 7,79 g/cm3
- Specific heat capacity: 470 J/kg-K
- Melting temperature: 1420-1460 °C
- Thermal conductivity: 44 W/m-K
Mechanical properties of 65S2WA steel:
- Bars:
- Quenched and tempered (+QT):
- Yield strength Re: > 1300 MPa
- Tensile strength Rm: 1450-1750 MPa
- Elongation A: > 6 %
- Percent reduction of area Z: > 35 %
- Impact Value KU: > 10 HB
- With high shearability (+S):
- Hardness HB: < 280
- Annealed (+A):
- Hardness HB: < 248
- Spheroidized (+AC):
- Hardness HB: < 230
- Quenched and tempered (+QT):
Heat treatment and working
Recommended working and heat treatment parameters for 52CrMoV4 alloy:
- Quenching: 860 °C / o
- Tempering: 450 °C
We deliver this steel alloy as:
Replacements, equivalents and other designations:
52CrMoV4, 51CrMoV4, 1.7701, 51CDV4, 58CrMoV4, F-1460, AISI 4150, G41500, H41500