高韧性─45℃低温钢WHD2(15MnNiDR)组织和性能研究

Research on Microstruture and Properties of High Toughness Cryogenic Steel WHD2 (15MnNiDR)

本文全面介绍了WHD2（15MnNiDR）的组织结构和力学性能的试验研究，结果表明该钢组织均匀，性能稳定，完全满足－45℃低温钢的要求。

The microstructure and mechanical properties of WHD2 (15MnNiDR) have been re searched, its structure is homonize and properties are stable. WHD2 (15MnNiDR) can be used in the manufacture of low-temperature pressure vessel