| Customization: | Available |
|---|---|
| Type: | Alloy Steel Bar |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
|
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Steel adjusted for cutting with a cutting machine. The carburising temperature range can be higher than provided in the file (depending on the carburising process)
Steel adjusted for cutting with a cutting machine. The carburising temperature range can be higher than provided in the file (depending on the carburising process)
| C | Si | Mn | P | S | Cr | Mo | Ni | B |
|---|---|---|---|---|---|---|---|---|
| 0,15- 0,22 | 0,17 -0,37 | 0,4-0,7 | Max 0,035 | Max 0,035 | 1,80-2,10 | Max 0,10 | 1,8-2,1 | - |
| Hardness after | Symbol | Value |
| Soft annealimg (+A) | HB | ≤ 235 |
| Mechanical properties | Symbol | Mechanical properties after heat treatment |
| Ultimate tensile strength | Rm, MPa | 1230 - 1470 |
| Yield stress | Re (Rp0.2) MPa | ≥ 830 |
| Elongation | A, % | ≥ 7 |
| Reduction of area | Z, % | ≥ 30 |
| Impact energy | KV, J | - |
| Physical properties | ||
| Property | Unit | Value |
| Density, ρ | g·cm-3 | 7.85 |
| Technological treatment processes | Possible application | Temperature, °C | ||
| Hot forming | Forging | + | 850 - 1100 | |
| Rolling | + | 850 - 1100 | ||
| Thermochemical treatment | Carburising | + | 880 - 950 | |
| Carbonitriding | + | 860 - 930 | ||
| Heat treatment | Annealing | Normalising | + | 870 - 900 |
| Soft annealing | + | 650 - 700 | ||
| Heat treatment after carburising1) | Core hardening | + | 840 - 870 | |
| Intermediate annealing | + | 630 - 650 | ||
| Case hardening | + | 800 - 830 | ||
| Tempering | + | 170 - 200 | ||
| 1) If possible, hardening has to be performed with the temperature equal or close to the heat treatment temperature | ||||
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