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37Cr4 (1.7034): EN 10083-3-2006
| Grade : | 37Cr4 | |||
| Number: | 1.7034 | |||
| Classification: | Alloy special steel | |||
| Standard: |
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| Equivalent grades: | Go here |
Chemical composition % of steel 37Cr4 (1.7034): EN 10083-3-2006
| C | Si | Mn | P | S | Cr |
| 0.34 - 0.41 | max 0.4 | 0.6 - 0.9 | max 0.025 | max 0.035 | 0.9 - 1.2 |
| Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 |
| Rm - Tensile strength (MPa) (+QT) | 950-1150 | 850-1000 | 750-900 |
| Rm - Tensile strength (MPa) (+AC) | 590 |
| Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; | to 16 | 16 - 40 | 40 - 100 |
| Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+QT) |
750 | 630 | 510 |
| KV - Impact energy (J) (+QT) | +20° 35 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 100 |
| A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products | 11 | 13 | 14 |
| Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; | to 16 | 16 - 40 | 40 - 100 |
| Z - Reduction in cross section on fracture (%) (+QT) | 35 | 40 | 40 |
| Z - Reduction in cross section on fracture (%) (+AC) | 60 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 235 |
| EU EN |
USA - |
Germany DIN,WNr |
Japan JIS |
France AFNOR |
England BS |
Italy UNI |
Spain UNE |
China GB |
Sweden SS |
Poland PN |
Czechia CSN |
Austria ONORM |
Russia GOST |
Inter ISO |
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