A long experience in hardening and tempering process with long tradition in choosing raw materials and in edge’s dressing allows Metallurgica Pessina to be a perfect partner for springs’ makers.
We can follow our Customers in all phases of their production. From engineering to prototype and from pre-series to production.
- Power Springs
- Spiral torsion springs
- Torsion leaf springs
Following chart shows standard grade we have on stock. Other grades can be supplied on request.
| Steel Designation | Chemical Composition - Weight % (Casting Analysis) | |||||||||||
| Brand | Wr. N° | AISI - SAE | norm EN | C | Sl | Mn | P max | S max | Cr | Mo max | V max | Nl |
| C 60S | 1.1211 | 1060 | 10132-3 | 0.57 - 0.65 | 0.15 - 0.35 | 0.60 - 0.90 | 0.025 | 0.025 | 0.40 max | 0,10 | - | 0.40 max |
| C 67S | 1.1231 | 1070 | 10132-4 | 0.65 - 0.73 | 0.15 - 0.35 | 0.60 - 0.90 | 0.025 | 0.025 | 0.40 max | 0,10 | - | 0.40 max |
| C 75S | 1.1248 | 1075 | 10132-4 | 0.70 - 0.80 | 0.15 - 0.35 | 0.60 - 0.90 | 0.025 | 0.025 | 0.40 max | 0,10 | 0.40 max | |
| 51Cr V 4 | 1.8159 | 6150 | 10132-4 | 0.47 - 0.55 | 0.40 max | 0.70 - 1.10 | 0.025 | 0.025 | 0.90 - 1.20 | 0,10 | 0.15 - 0.25 | 0.40 max |
| 42 Cr Mo 4 | 1.7225 | 4142 | 10132-3 | 0.38 - 0.45 | 0.40 max | 0.60 - 0.90 | 0.035 | 0.035 | 0.90 - 1.20 | 0,15 - 0,30 | - | |
| Dimension range | |
| Width | 15 - 410 mm |
| Thickness | 0,20 - 3,50 mm |
| Runded, squared, squared chamfered edges | |
| Width | 15 - 315 mm |
| Thickness | 0,50 - 3,50 mm |
| Surface Finishing | |
|
Grey - White - Blue furnace White - Yellow - Blue polished |
|
| COIL DIMENSION | |
| inner diameter | 300 - 400 - 500 - 700 - 800 mm |
| Outer diameter | 1400 mm max |
| coil weight max | 4000 kg |
