Typical applications of spring steel
Typical applications of spring steel are technical springs like cup springs, return springs or suspension springs.
thyssenkrupp supplies the following steel grades as per the product information or the reference steel grades in accordance with the respective standards.
Spring steel according to DIN EN 10132-4
Steel grade designation | Reference grade | THICKNESS1 from _ to in mm |
WIDTH1 from _ to in mm |
---|---|---|---|
C55S | C55S | 2,00 – 13,00 | 50 – 1,630 |
C60S | C60S | 2,00 – 13,00 | 50 – 1,630 |
C67S | C67S | 2,00 – 13,00 | 60 – 1,630 |
C75S | C75S | 2,00 – 13,00 | 60 – 1,630 |
C100S | C100S | 2,00 – 13,00 | 80 – 1,630 |
51CrV4 | 51CrV4 | 2,00 – 13,00 | 100 – 1,630 |
80CrV2 | 80CrV2 | 2,00 – 13,00 | 100 – 1,630 |
Chemical composition of spring steel
Steel grade | C [%] |
Si [%] | Mn [%] |
P [%] max. | S [%] max. | Cr [%] max. / – | Mo [%] | Ni [%] max. | V [%] |
---|---|---|---|---|---|---|---|---|---|
C55S | 0.52 – 0.60 | 0.15 – 0.35 | 0.60 – 0.90 | 0.025 | 0.010 | 0.40 | 0.10 | 0.40 | – |
C60S | 0.57 – 0.65 | 0.15 – 0.35 | 0.60 – 0.90 | 0.025 | 0.010 | 0.40 | 0.10 | 0.40 | – |
C67S | 0.65 – 0.73 | 0.15 – 0.35 | 0.60 – 0.90 | 0.025 | 0.010 | 0.40 | 0.10 | 0.40 | – |
C75S | 0.70 – 0.80 | 0.15 – 0.35 | 0.60 – 0.90 | 0.025 | 0.010 | 0.40 | 0.10 | 0.40 | – |
C100S | 0.95 – 1.05 | 0.15 – 0.35 | 0.30 – 0.60 | 0.025 | 0.010 | 0.40 | 0.10 | 0.40 | – |
51CrV4 | 0.47 – 0.55 | 0.40 | 0.70 – 1.10 | 0.025 | 0.010 | 0.90 – 1.20 | 0.10 | 0.40 | 0.10 – 0.25 |
80CrV2 | 0.75 – 0.85 | 0.15 – 0.35 | 0.30 – 0.50 | 0.025 | 0.010 | 0.40 – 0.60 | 0.10 | 0.40 | 0.15 – 0.25 |