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Structure and Properties of TGOG13Cr-1 Super Martensitic Stainless Steel

Zhao Jian-wei

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Abstract

By using SEM,optical microscope and Gleeble 3800,the microstructure and mechanical properties of TGOG13Cr-1 super martensitic stainless steel were studied.The result showed,that the microstructure of TGOG13Cr-1 at room temperature is low-carbon tempering martensite,with Ac1 720 ℃,Ac3 860 ℃,Ms 281 ℃ and Mf 157 ℃;For same quenching temperature and tempering process,the mechanical properties are easier to control by water quenching than by air quenching;the higher the tempering temperature,the lower the strength and hardness,and the better the plasticity and toughness are.

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What this paper is about

By using SEM,optical microscope and Gleeble 3800,the microstructure and mechanical properties of TGOG13Cr-1 super martensitic stainless steel were studied.The result showed,that the microstructure of TGOG13Cr-1 at room temperature is low-carbon tempering martensite,with Ac1 720 ℃,Ac3 860 ℃,Ms 281 ℃ and Mf 157 ℃;For same quenching temperature and tempering process,the mechanical properties are easier to control by water quenching than by air quenching;the higher the tempering temperature,the lower the strength and hardness,and the better the plasticity and toughness are.

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Available abstract

By using SEM,optical microscope and Gleeble 3800,the microstructure and mechanical properties of TGOG13Cr-1 super martensitic stainless steel were studied.The result showed,that the microstructure of TGOG13Cr-1 at room temperature is low-carbon tempering martensite,with Ac1 720 ℃,Ac3 860 ℃,Ms 281 ℃ and Mf 157 ℃;For same quenching temperature and tempering process,the mechanical properties are easier to control by water quenching than by air quenching;the higher the tempering temperature,the lower the strength and hardness,and the better the plasticity and toughness are.

Key concepts: Tempering, Microstructure, Quenching (fluorescence), Materials science, Martensite, Metallurgy, Toughness, Plasticity

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