Heat Treatment,Structure and Properties of High Temperature Stainless Bearing Steel Cr14Mo4

魏果能; 许达; 俞峰

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Heat Treatment,Structure and Properties of High Temperature Stainless Bearing Steel Cr14Mo4

更新时间：2026-01-21

- Heat Treatment,Structure and Properties of High Temperature Stainless Bearing Steel Cr14Mo4
- Special Steel Vol. 28, Issue 6, Pages: 7-9(2007)
- 作者机构：
  
  钢铁研究总院结构材料研究所,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 May 2007，
  
  Online First：26 December 2022，
  
  Published：26 December 2007
- 稿件说明：
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魏果能, 许达, 俞峰. Heat Treatment,Structure and Properties of High Temperature Stainless Bearing Steel Cr14Mo4[J]. Special Steel, 2007, 28(6): 7-9.
DOI：

魏果能, 许达, 俞峰. Heat Treatment,Structure and Properties of High Temperature Stainless Bearing Steel Cr14Mo4[J]. Special Steel, 2007, 28(6): 7-9. DOI：

摘要

试验研究了电渣重熔Cr14Mo4钢(%:1.03C、14.36Cr、3.98Mo)Φ22mm热轧材750～950℃退火、950～1200℃淬火、450～550℃回火后钢的组织和性能。结果表明

(890±20)℃退火后钢的HB硬度值207～255;1100～1120℃淬火500～525℃四次回火后钢的组织由细针状回火马氏体、残余奥氏体和碳化物组成

HRC硬度值61

断裂韧性K

为31.5～32.1 MPa·m

1/2

Cr14Mo4钢200℃高温接触疲劳寿命L

为1.1×10

并且Cr14Mo4钢具有较好的耐磨性能。

Abstract

The structure and properties of electroslag remelting steel Cr14Mo4(1.03C

14.36Cr

3.98Mo)Φ22 mm hot rolled products annealed at 750~950 ℃

quenched at 950～1200 ℃ and tempered at 450～550 ℃ have been studied. Results showed that HB hardness value of steel annealed at(890±20)℃ was 207~255;structure of steel quenched at 1100～1120 ℃ and tempered at 500~525℃ consisted of fine acicular tempered martensite

residual austenite and carbide with HRC hardness value 61 and fracture toughness K

value 31.5～32.1 MPa ·m

1/2

high temperature contact fatigue life L

of steel Cr14Mo4 at 200℃ was 1. 1×10

and the steel Cr14Mo4 has higher wear resistance.

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