马氏体为钢的显微组织类型之一，这类钢中铬的质量分数为11.5%~18.0%，而碳的质量分数最高可达0.6%。碳含量的增高，提高了钢的强度和硬度。通过热处理可以调整其力学性能，但是这类钢的焊接性较差。
马氏体型熔敷。
为适应变截面汽车板簧用材所需，研制了一种低碳马氏体型弹簧钢。
A low carbon martensitic spring steel has been developed to meet the requirements of variable-cross-section plate spring for trucks.
研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。
The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.
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