24 July 2021 Structural Steel Bar
35CrMoVA Structural Steel Bar
35CrMoV alloy structural steel is a quenched and tempered structural steel used in heavy or medium-sized machinery manufacturing to make important parts that work under high stresses such as turbine wheels that operate at temperatures of 500 to 520 ° C for long periods of time, Advanced turbine blower and compressor rotors, cover plates, shaft discs, inefficient generator shafts, and powerful engine parts.
Chemical composition (mass fraction) (%):
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Cu(％) | V(％) | Mo(％) |
|---|---|---|---|---|---|---|---|---|---|
| 0.30～0.38 | 0.17 ~ 0.37 | 0.40 ~ 0.70 | ≤0.035 | ≤0.035 | 1.00～1.30 | ≤0.030 | ≤0.025 | 0.10 ~ 0.20 | 0.20 ~ 0.30 |
Mechanical Propoerties:
| Yield Strength Rp0.2(MPa) | Tensile Strength Rm(MPa) | Elongation δ5 (%): | Section shrinkage ψ (%): | Impact energy Akv (J): | Impact toughness value αkv (J/cm2) | Hardness |
|---|---|---|---|---|---|---|
| ≥ 930(95) | ≥ 1080(110) | ≥ 10 | ≥ 50 | ≥ 71 | ≥ 88(9) | ≥ 241 HB |
Heat Treatment:
- The first quenching heating temperature (℃): 900; coolant: oil
- The second quenching heating temperature (℃):
- Tempering heating temperature (℃): 630; Coolant: water, oil