Micorstructure and Properties of 2Cr16Ni2MoN Stainless Steel

Ping Zhong; Song Mei Li; Bin Shu

doi:10.4028/www.scientific.net/KEM.353-358.404

Paper Titles

Stress Distribution of the Composites Reinforced by Slub-Like Short Fibers
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Strength and Toughness of 1.1wt% Li-Containing Al-Zn-Mg-Cu Alloys
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Experimental Studies of Non-Equilibrium Grain-Boundary Segregations of Phosphorus under Low Tensile Stresses
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Influence of Residual Stresses on the Interfacial Toughness Measurement by Cross-Sectional Nanoindentation
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Micorstructure and Properties of 2Cr16Ni2MoN Stainless Steel
p.404

Stress Relaxation Testing For Analysis of 12Cr1MoVG Steel for Creep Strength Evaluation
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Compressive Deformation Behavior of the Ferritic Oxide Dispersion Strengthened Alloys at Elevated Temperatures
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Evaluation of Critical Fracture Stress in Low Alloy Steels by Finite Element Analysis of Small Punch Test
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Empirical Correlation between Parameters from Small Punch and Tensile Curves of Mn-Mo-Ni Low Alloy Steels by Using Test and FE Analysis
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Micorstructure and Properties of 2Cr16Ni2MoN Stainless Steel

Abstract:

The effect of heat treatment on the microstructure and mechanical properties of aged hardening 2Cr16Ni2MoN stainless steel was examined. The steel contained undissolved (CrFeMo)23C6 carbides in a martensite at lower solution treated temperature. Solution treating at 1100°C resulted in coarsening of the packet and block structure of the lath martensite. The optimum solution treated temperature is 1040°C.Aging at 500°C resulted in peak strength due to the precipitation of extremely fine coherent (CrFeMo)2C carbides. The optimum combination of tensile strength and impact toughness was attained at the aging temperature of 560°C,was attributed to both the formation of fine M2C in the lath and a mixture of lath martensite with high density dislocations.