1.7228 50CrMo4 708M50 708M40 50HM Forged Forging steel Rings Rolled Rings Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings Parts Pieces
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We are professional 1.7228 50CrMo4 708M50 708M40 50HM Forged Forging steel Rings Rolled Rings Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings Parts Pieces Material Products from china
Chemical composition % of steel 50CrMo4 (1.7228): EN 10083-3-2006| 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 |
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| 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 |
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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 |
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| Re - Upper yield strength (MPa) (+QT) | 550 | 540 | 490 |
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| A - Min. elongation at fracture (%) transverse, (+QT) | 9-11 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
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| 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 |
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| Z - Reduction in cross section on fracture (%) (+QT) | 40 | 45 | 50 | 50 | 50 |
| Brinell hardness (HBW): (+A) | 248 |
