15CrMnMoVA

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15CrMnMoVA Steel

15CrMnMoVA steel is a kind of alloy structural steel with a carbon content of 0.12-0.17%, a chromium content of 1.40-1.60%, a manganese content of 0.40-0.70%, a molybdenum content of 0.17-0.37%, a vanadium content of 0.03-0.08%, and a silicon content of 0.15-0.30%. This alloy structural steel has a strong hardenability and a certain resistance to temper brittleness. It has good hardenability, good machinability, good plasticity, and a certain hardenability.

Applications

In applications involving components subjected to high-strength or high-fatigue conditions, such as axles, gears and splines, 15CrMnMoVA alloy steel has excellent properties at low temperatures and is widely used as an automotive gear steel. In addition, 15CrMnMoVA alloy steel is also suitable for the production of gears with high strength and high-fatigue conditions, such as in mining machinery and agricultural machinery.

Heat Treatment

The optimal heat treatment process for 15CrMnMoVA alloy steel includes normalizing, quenching and tempering. The normalizing temperature should be in the range of 840 to 870 °C and the cooling method should be air cooling. The quenching temperature should be 980 to 1020 °C, the oil quenching medium should be 5-60 mm, the quenching time should be 20 to 30 minutes, and the cooling method should be oil cooling. The tempering temperature should be 500 to 640 °C, and the cooling method should be air cooling.

Chemical Composition

The chemical composition of 15CrMnMoVA alloy steel(%) is as follows: C:0.12-0.17, Cr:1.40-1.60, Mn:0.40-0.70, Mo:0.17-0.37, V：0.03-0.08, Si: 0.15-0.30.

Mechanical Properties

The mechanical properties of 15CrMnMoVA alloy steel(%) is as follows:

• Yield Strength: ≥1640MPa

• Tensile Strength: ≥1760MPa

• Elongation: ≥16%

• Reduction of Area: ≥45%

• Impact Toughness: ≥25J

Conclusion

15CrMnMoVA alloy steel has a strong hardenability and a certain resistance to temper brittleness. Its applications include components subjected to high-strength or high-fatigue conditions, such as axles, gears and splines, and its optimal heat treatment process should include normalizing, quenching and tempering. The chemical composition of 15CrMnMoVA alloy steel is C:0.12-0.17, Cr:1.40-1.60, Mn:0.40-0.70, Mo:0.17-0.37, V：0.03-0.08, Si: 0.15-0.30, and its mechanical properties are yield strength: ≥1640MPa, tensile strength: ≥1760MPa, elongation: ≥16%, reduction of area: ≥45%, impact toughness: ≥25J.

15CrMnMoVA steel, also known as round steel, is a kind of medium carbon, low alloy steel. 15CrMnMoVA steel has high strength, good toughness and high wear resistance, which is an ideal heat treatment mold steel. In addition, the amount of alloy elements in the 15CrMnMoVA steel can improve the internal grain refinement of the steel after the quenching and tempering treatment, so as to improve the performance of cold working mold steel.

15CrMnMoVA steel has been widely used in the range of precision molds and plastic molds, such as automobile pressure body parts, mobile phone communication shell, medium and small size bearing caps, clamp and bearing seat, hot die, plastic mold and oil pipeline, etc.

The chemical compositions of the 15CrMnMoVA die steel are C: 0.12-0.17, Si: 0.17-0.37, Mn: 0.70-1.10, Cr: 0.70-1.20, Mo: 0.25-0.45, V: 0.15-0.25, and the rest are iron and trace elements.

15CrMnMoVA die steel has the strength of high level, good toughness and high wear resistance, good hardenability, excellent cutting and polishing performance, so it is the most ideal material for everyday molds and large-scale molds.

15CrMnMoVA die steel is mainly used for high-load, high-precision, complex and difficult-to-manufacture molds and products. According to its excellent performance, it is widely used in die-casting, die-casting, non-ferrous metal extrusion, hot forging, cold press, red steel and plastics industries.

The heat treatment process of 15CrMnMoVA steel is the same as that of other alloy die steels. The general furnace temperature is heated to 860-890°C, and the holding time is about 30 minutes. Finally, quenching and tempering can be completed to obtain the required performance.

By using the 15CrMnMoVA die steel correctly and strictly controlling the heat treatment process, its service life will be further improved, as it has excellent performance and good machinability. It is an ideal material for die making field.