The new cast hot work die steel (CHD steel) has high strength and toughness, high thermal stability, high lifetime and wide application prospects.

新型铸造热锻模具钢（CHD钢）由于具有较高的强韧性和高温稳定性，使用寿命高于锻造模具，具有广阔应用前景。

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The effects of rare earth (re) complex modification on structure and the properties of a new cast hot-work die (CHD) steel were investigated.

研究了稀土复合变质对新型铸造热锻模具钢(CHD钢)组织与性能的影响。

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A new processing technique for seamless tubes manufacture of austenitic stainless steel is introduced in the present work, in which die casted hollow blank is directly used for a hot extrusion.

介绍了一种新的奥氏体不锈钢无缝管材制备工艺，即对空心铸坯直接热挤压制备荒管。

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