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1.7228 50CrMo4 708M50 708M40 50HM Forged forging Steel Round Bars Hollow Bars Rods Square rectangular rectangle Blocks Discs Disks Plates Flat Hex Bars
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We are professional 1.7228 50CrMo4 708M50 708M40 50HM Forged forging Steel Round Bars Hollow Bars Rods Square rectangular rectangle Blocks Discs Disks Plates Flat Hex Bars from china
| C | Si | Mn | P | S | Cr | Mo |
| 0.46 - 0.54 | max 0.4 | 0.5 - 0.8 | max 0.025 | max 0.035 | 0.9 - 1.2 | 0.15 - 0.3 |
Mechanical properties of steel 50CrMo4 (1.7228)
| Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 | 250 - 330 | 330 - 500 |
| Rm - Tensile strength (MPa) (+QT) | 1100-1300 | 1000-1200 | 900-1100 | 850-1000 | 750-950 | 750 | 700 |
| Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT) | 900 | 780 | 700 | 650 | 550 |
| Nominal thickness(mm): | to 160 | 160 - 330 | 330 - 500 |
| Re - Upper yield strength (MPa) (+QT) | 550 | 540 | 490 |
| A - Min. elongation at fracture (%) transverse, (+QT) | 9-11 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products | 9 | 10 | 12 | 13 | 13 |
| Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| Z - Reduction in cross section on fracture (%) (+QT) | 40 | 45 | 50 | 50 | 50 |
| Brinell hardness (HBW): (+A) | 248 |
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