60Si2CrA vs 9260
These two grades are listed as equivalents of each other: their chemistry windows overlap and they serve the same applications. They are not always identical — check the differences below before substituting, especially in certified designs.
60Si2CrA
Alloy & Engineering Steel
60Si2CrA is the chromium-upgraded silicon spring steel of GB/T 1222: adding ~1% Cr to the 60Si2Mn base raises hardenability and temper resistance for heavier or hotter-running springs.
Standards: AISI 9262 (near) · JIS SUP12 (near) · GB 60Si2CrA (GB/T 1222)
9260
Alloy & Engineering Steel
9260 is a silicon-manganese spring steel with about 2% silicon, giving an exceptionally high yield-to-tensile ratio and resistance to permanent set (sag). It is a mainstream coil spring steel for vehicle suspensions.
Standards: DIN 1.5028 (65Si7 family, near) · AISI 9260 · JIS SUP6 (near) · GB 60Si2Mn (near)
Chemical composition compared (%)
| Element | 60Si2CrA | 9260 |
|---|---|---|
| C | 0.56–0.64 | 0.56–0.64 |
| Si | 1.40–1.80 | 1.80–2.20 |
| Mn | 0.40–0.70 | 0.75–1.00 |
| P | ≤0.035 | ≤0.035 |
| S | ≤0.035 | ≤0.040 |
| Cr | 0.90–1.20 | — |
Properties compared
| Property | 60Si2CrA | 9260 |
|---|---|---|
| Hardness (Q&T) | 45–52 HRC typical | — |
| Density | 7.85 g/cm³ | 7.85 g/cm³ |
| Fatigue performance | Above 60Si2Mn (Cr addition delays temper softening) | — |
| Hardness (spring temper) | — | 40–50 HRC typical |
| Tensile strength | — | 1300–1600 MPa (Q&T spring temper, typ.) |
Sourcing either grade?
Nasteel stocks both families from Shenzhen with EN 10204 3.1 mill certificates by heat number.
Ask for a quotationSee full data sheets: 60Si2CrA · 9260. Substitution decisions for certified parts stay with the design authority.