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Compound quenching method

Compound quenching method

Compound quenching method: firstly quench the workpiece to below Ms to obtain martensite with a volume fraction of 10% to 30%, and then isothermally in the lower bainite area to obtain martensite and bainite structure for the workpiece with larger cross-section. Alloy tool steel workpiece.

ИМГ_КСНУМКС