压铸用H13热作模具钢热处理工艺研究

张家涛; 钟毅; 孙淑红; 尹建成

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压铸用H13热作模具钢热处理工艺研究
Heat Treatment of H13 Hot Working Die Steel for Die Casting
2009年29卷第3期页码：237-239
纸质出版日期： 2009 ，
DOI：

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[1]张家涛,钟毅,孙淑红,尹建成.压铸用H13热作模具钢热处理工艺研究[J].特种铸造及有色合金,2009,29(03):237-239+192.

Zhang Jiatao, Zhong Yi, Sun Shuhong, et al. Heat Treatment of H13 Hot Working Die Steel for Die Casting[J]. Special Casting & Nonferrous Alloys, 2009,29(3):237-239.
[1]张家涛,钟毅,孙淑红,尹建成.压铸用H13热作模具钢热处理工艺研究[J].特种铸造及有色合金,2009,29(03):237-239+192. DOI：

Zhang Jiatao, Zhong Yi, Sun Shuhong, et al. Heat Treatment of H13 Hot Working Die Steel for Die Casting[J]. Special Casting & Nonferrous Alloys, 2009,29(3):237-239. DOI：

摘要

为预防模具早期失效、提高模具使用寿命

以H13钢为对象

通过试验

对该热作模具钢的淬火、回火工艺及二次硬化进行了系统研究

并对其强度、塑性、硬度及冲击性能进行了检测及分析。研究结果表明

优质H13钢二次硬化温度比常用H13钢高50～70℃;经1100℃淬火、600℃二次回火后

试样表现为较优的强韧性配合和综合使用性能

其伸长率达8.10%

屈服强度达1335MPa、抗拉强度达1534MPa。

Abstract

The H13 hot working die steel for die casting was treated by quenching

tempering and secondary hardening to prevent the early-stage failure and improve the service life of mould;meanwhile

strength

plasticity

hardness and impact toughness of the H13 die steel were measured.The results indicate that the second hardening temperature of advanced H13 die steel is 50～70℃ higher than that of conventional one.The H13 die steel exhibits excellent strength-toughness properties and comprehensive service performance after quenching at 1100℃ and secondary tempering at 600℃

where the elongation

yield strength and tensile strength are 8.10%

1335MPa and 1534MPa

respectively.