55CrMnA Steel — Specifications & Listings
GB/T 1222 — Chinese chrome manganese spring steel
Grade Details
| Grade | 55CrMnA |
| Standard | GB/T 1222 |
| Description | Chinese chrome manganese spring steel |
| Applications | Automotive leaf springs, coil springs |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Si |
Mn |
Cr |
| 0.52–0.60 |
0.17–0.37 |
0.70–1.00 |
0.65–0.95 |
Mechanical Properties
| Tensile Strength |
≥1225 MPa |
| Yield Strength |
≥1080 MPa |
| Elongation |
≥6% |
Typical Available Sizes
| Round Bar |
10mm–75mm dia |
| Spring Flat |
5×30mm–20×150mm |
Sizes are indicative. Contact seller for exact availability.
Active 55CrMnA Listings on M-EX