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Low carbon non-alloy carburized steel. Temperable in water.
| EUROPE | ITALY | GERMANY | FRANCE | UK | USA | ||
|---|---|---|---|---|---|---|---|
| EN 10084: 2008 EN 10277-4: 2008 |
(UNI 7846-78) | (DIN 17210-84) | (NFA35-551-86) | (BS970 pt.3--91) | ASTM A 29 | ||
| Grade | N° | Werkstoff | N° | ||||
| C10E | 1.1121 | C10 | Ck10 | 1.1121 | XC 10 | 045A10 | 1010 |
| C10R | 1.1207 | - | - | - | |||
| EUROPE | C | Si | Mn | P/max | S | Cr/max | Mo/max | Ni/max | Cu/max | Al | Pb |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C10E | 0,07÷0,13 | 0,15÷0,40 | 0,30÷0,60 | 0,025 | ≤0,035 | 0,40 | 0,10 | 0,40 | 0,30 | 0,020÷0,050 | - |
| C10R | 0,020÷0,040 | - | |||||||||
| C10RPb | 0,020÷0,040 | 0,15÷0,30 |
| Size (mm) |
Annealed to maximum hardness requirement (+A) | Normalized (+N) | ||||
|---|---|---|---|---|---|---|
| d≤100 | ≤131 | 85÷140 | ||||
| Size (mm) |
as Rolled + Turned (+SH) | Cold drawn (+C) | +A**+ Turned (+A+SH) | +A**+ Cold drawn (+A+C) | |||
|---|---|---|---|---|---|---|---|
| Hardness (HB)* | Rm (MPa) | Rp0,2 (MPa) min | Rm (MPa) | A5 (%) min | Hardness (HB) max | Hardness (HB) max | |
| 5≤d≤10 | - | - | 350 | 460÷760 | 8 | - | 225 |
| 10<d≤16 | - | - | 300 | 430÷730 | 9 | - | 216 |
| 16<d≤40 | 92÷163 | 310÷550 | 250 | 400÷700 | 10 | 131 | 207 |
| 40<d≤63 | 92÷163 | 310÷550 | 200 | 350÷640 | 12 | 131 | 190 |
| 63<d≤100 | 92÷163 | 310÷550 | 180 | 320÷580 | 12 | 131 | 172 |
* Hardness values valid also in as rolled condition
**+A = annealed to maximum hardness requirement
For size <5 mm the mechanical properties may be agreed at the time of enquiry and order
| Operation | °C |
|---|---|
| Hot forgings deformation | 900÷1150 |
| Carburizing temperature | 880÷930 |
| Core quenching temperature | 880÷980 |
| Case quenching temperature | 780÷820 |
| Tempering | 150÷200 |
