| Customization: | Available |
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| Standard: | Q/Yy02-2024 |
| Material: | 50mn |
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Mechanical Properties | |
Tensile Strength | ob (Mpa) : ≥655 (66) |
Yield Strength | os (Mpa) : ≥390 (40) |
Elongation Rate | δ 5 (%) ≥ 13 |
Sectional shringkage rate | (%) ≥ 40 |
Impact Energy Akv | (J) : ≥ 31 |
Impact toughness Value αkv | (J/cm2) : ≥39 (4) |
Untreated hardness | ≤ 255 HB |
Annealed Steel | ≤ 217 HB |
Chemical Composition (%) | |||||||
C | Si + | Mn + | S | P | Cr + | Ni | Cu |
0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.030 | ≤ 0.025 |








