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20MnV6 Hollow Bar
What's the 20MnV6 Hollow Bar specification, 20MnV6 Hollow Bar chemistry, 20MnV6 Hollow Bar equivalent, 20MnV6 Hollow Bar Mechanical Properties? 20MnV6 Hollow Bar manufacturer in China.
What is 20MnV6
20MnV6 Chemical Composition (Base Material)
| Min % | Max % | |
| Carbon | 0.16 | 0.22 |
| Silicon | 0.10 | 0.35 |
| Manganese | 1.130 | 1.60 |
| Vanadium | 0.08 | 0.15 |
| Phosphorous | 0 | 0.03 |
| Sulphur | 0.02 | 0.04 |
| 20MnV6 Mechanical Property Requirements - As Supplied in the Black Hot Rolled Condition | ||
Tensile Strength Mpa Min. Wall Thickness (mm) | ＜16 | 620 |
| ＜25 | 310 | |
| ＞25 | 550 | |
0.2% Yield Strength Mpa Min. Wall Thickness (mm) | ＜16 | 470 |
| ＜25 | 460 | |
| ＜30 | 430 | |
| ＜40 | 420 | |
| ＜50 | 410 | |
| ＜70 | 400 | |
| Elongation on 5.65√S0 % Min | 18 | |
| Hardness Brinell Min | 180 | |
| Typical Mechanical Properties - As Supplied in the Black Hot Rolled Condition | ||
| Tensile Strength Mpa | 690 | |
| Yield Strength Mpa | 500 | |
| Elongation % | 21 | |
| Hardness HB | 210 | |
| Typical (Minimum) Mechanical Properties - Water Quenched at 925 oC and Tempered at 580 oC. | ||
Tensile Strength Mpa Wall Thickness (mm) | ＜20 | 750 |
| ＜25 | 700 | |
| ＜30 | 650 | |
0.2% Yield Strength Mpa Min. Wall Thickness (mm) | ＜20 | 650 |
| ＜25 | 620 | |
| ＜30 | 570 | |
Elongation % Wall Thickness | ＜20 | 16 |
| ＞20 | 17 | |
Impact +20oC 0oC -20oC J | 40 | |
| 32 | ||
| 28 | ||
20MnV6 Carbonitriding
20MnV6 Case Hardening
Water quench from 760 oC - 780 oC.
20MnV6 or Core Refining
