The Effect of Different Tempering and Cooling Methods on the Properties of Forged 5NiCrMoV Steel
Taking 5NiCrMoV steel thick walled forgings as the research object,two different cooling methods,air cooling and water cooling,were used to study the effect on the strength and toughness of the material.The results show that two different cooling methods have no significant effect on the room temperature tensile strength of the material,but have a significant impact on the impact toughness of the material.The impact toughness of the water-cooled test plate is better than that of the air-cooled test plate.In the production process,in order to achieve a good match between material strength and toughness,water cooling should be preferred.
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