研究了氮含量对热镀锌双相钢拉伸性能的影响，用定拉伸试验方法模拟了平整伸长率对热镀锌双相钢屈强比的影响。

Using scaling tension test method simulated the effect of leveling elongations on yield strength ratio of hot dip galvanized dual phase steels.

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首先介绍了热镀锌钢板生产的国内外现状、热镀锌钢板模拟试验装置的系统结构和工作原理。

First, the current status of hot Zinc coated steel plate production in China, the system structure and operational principle of emulated testing device of hot Zinc coated steel plate are introduced.

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文中着重介绍了新工艺采用微氧化还原法的原理生产热镀锌钢管的方法、机理、试验情况等。

Emphasis is laid on applying the principle of "Slight oxidation-reduction method" to production of hot dip galvanized steel pipes. The manufacturing method, mechanism and test results are introduced.

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