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1·A new type of maraging steel metal powder-cored wire for die TIG surfacing is developed.

研制了一种用于TIG模具堆焊的马氏体时效钢金属粉芯焊丝。

2·The production process, application and developing trend of maraging steel are also summarized.

概述了马氏体时效钢的生产工艺，应用和发展趋向。

3·It was shown that the maraging steel cast exhibited a higher strength, which was controlled by the casting defects in it.

结果表明，马氏体时效钢铸件热处理后强度较高，受制于其内部铸造缺陷。

4·Reverse austenization, grain refining and effect of grain refined structure on mechanical properties of a high strength maraging stainless steel were studied.

研究了一种高强度马氏体时效不锈钢逆转变奥氏体再结晶规律、细化晶粒工艺及细晶组织对力学性能的影响。