34CrMo4 Quenching and Tempering Alloy Steel
OTAI SPECIAL STEEL is 34CrMo4 Quenching and Tempering Alloy Steel stockholders and suppliers from China. more than 25 years of experience in 34CrMo4 steel round bar, flat bar, and plate supply.
34CrMo4 Quenching and Tempering Alloy Steel is a heat-treatable steel that contains at least 0.9%Cr, and 0.15%Mo as strengthening elements which is similar to Chinese grade 35CrMo.It has good repeated impact resistance, and good fatigue properties in alternating bend stress, but is poor in weldability. It can be welded only with a suitable procedure. This material is generally used in quenched and tempered conditions.
34CrMo4 steel properties as below:
Form of Supply
34CrMo4 steel, we can supply the round bar, steel flat bar, plate, hexagonal steel bar, and steel square block. Round bars can be sawn to your required lengths as one-offs or multiple-cut pieces. Rectangular pieces can be sawn from flat bars or plates to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.
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- Round
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- sheet
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- Square
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- Plate
Chemical composition
| C(％) | 0.30 – 0.37 | Si(％) | ≤0.40 | Mn(％) | 0.60 – 0.90 | P(％) | ≤0.025 |
| S(％) | ≤0.035 | Cr(％) | 0.90 – 1.20 | Mo (％) | 0.15 – 0.30 |
Mechanical Properties
Forging
34CrMo4 forging temperature:900 – 1100°C
Heat Treatment
- Normalizing: 850 – 880°C, Cooling in air
- Soft Annealing:650 – 680°C,Cooling in furnace,maximum hardness 223HB
- Hardening:830 – 890°C, Quenching in oil or water
- Tempering:540 – 680°C,Cooling in air
Quality Assured Supply
34CrMo4steel is supplied in accordance with our ISO 9001 : 2023 registration.
Contact our experienced sales team to help you with your 34CrMo4 Quenching and Tempering Alloy Steel questions and inquiries by Email or telephone. The questions will be replied to in 24 hours.
Email: jack@otaisteel.com
Tel: +86 769 2319 0193
Fax: +86-769-88705839