52SiCrNi5, 1.7117, 52SCN5 - spring steel according to EN 10089:2002
Table of content:
| Standard | Grade | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical composition % | |||||||||||||||
| C: | Si: | Mn: | P: | S: | Cr: | Ni: | |||||||||
| EN | 52SiCrNi5 / 1.7117 | ||||||||||||||
| 0.49-0.56 | 1.2-1.5 | 0.7-1.0 | <0.025 | <0.025 | 0.7-1.0 | 0.5-0.7 | |||||||||
| NF | 52SCN5 | ||||||||||||||
| 0.49-0.56 | 1.2-1.5 | 0.7-0.9 | <0.025 | <0.025 | 0.7-1.0 | 0.5-0.7 | |||||||||
52SiCrNi5, 1.7117, 52SCN5 – description
Alloy spring steel. Applied for statically loaded, small and medium-size springs.
The material is a better alternative to the grade 51CrV4 / 1.8159
Physical and mechanical properties
Physical properties of 52SiCrNi5 steel:
- Quenched and tempered (+QT):
- Density: 7.76 g/cm3
- Yield strength Re: > 1300 MPa
- Tensile strength Rm: 1450-1750 MPa
- Elongation A: > 6 %
- Percent reduction of area Z: > 35 %
- Impact Value KU: > 10 J
- + Annealed (+A):
- Hardness HB: < 248
- + Spheroized (+AC):
- Hardness HB: < 230
- + Treated to Improve Shearability (+S):
- Hardness HB: < 280
- + Annealed (+A):
Heat treatment and working
Recommended working and heat treatment parameters for 52SiCrNi5 alloy:
- Forging: 1100-900 °C
- Rolling: 1100-900 °C
- Quenching: 840-870 °C
- Tempering: 410-450 °C
- Annealing: 670-680 °C
- Normalising: 860-870 °C
We deliver this steel alloy as:
- Round bars
Replacements, equivalents and other designations:
52SiCrNi5, 1.7117, 52SCN5, ZG50CrMo, 52XHC