HEAT TREATMENT PROCESS AND MICRO-SCOPIC STRUCTURE OF WB36 STEEL

ZHAO Qiang; WANG Ran; PENG Xian-kuan; AN Wei; CONG Xiang-zhouBeijing Guodian Futong Science and Technology Development Co Ltd

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HEAT TREATMENT PROCESS AND MICRO-SCOPIC STRUCTURE OF WB36 STEEL

Thermal Power Generation Vol. 39, Issue 1, Pages: 29-31(2010)

更新时间：2025-09-28

- HEAT TREATMENT PROCESS AND MICRO-SCOPIC STRUCTURE OF WB36 STEEL
- 作者机构：
  
  北京国电富通科技发展有限责任公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG161
- Published：2010
- 稿件说明：
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ZHAO Qiang, WANG Ran, PENG Xian-kuan, et al. HEAT TREATMENT PROCESS AND MICRO-SCOPIC STRUCTURE OF WB36 STEEL[J]. Thermal Power Generation, 2010, 39(1): 29-31.
DOI：

ZHAO Qiang, WANG Ran, PENG Xian-kuan, et al. HEAT TREATMENT PROCESS AND MICRO-SCOPIC STRUCTURE OF WB36 STEEL[J]. Thermal Power Generation, 2010, 39(1): 29-31. DOI：

摘要

利用WB36钢正火后不同冷却条件下的性能和组织变化

结合其CCT曲线

分析其临界冷却速度对性能和组织的影响。分析表明

WB36钢正火后在20~80 min内冷却到贝氏体区

可以得到铁素体和贝氏体的混合组织而性能较优

回火时间保持在3 min/mm可保证其性能不变。另外

因硬度与强度的变化趋势相同

建议采用硬度作为验收WB36钢的一个指标

但应考虑采用不同硬度计换算时引起的误差。

Abstract

By using the variation of properties and microscopic structure under different conditions after normalization of steel

and combining with its CCT curves

the influence of critical cooling speed upon properties and microscopic structure of said steel has been analysed.Analysis shows that the WB36 steel after normalization

the cooling speed in 20~80 min reaches the bainite area

a mixed structure of ferrite and bainite can be obtained

and having better properties.If the temper time is maintained at 3 min/mm

the properties can be ensured not to change.In addition

the varying tendency of hardness and strength is the same

it is recommended to use the hardness as a norm of acceptance for WB36 steel

but the error appeared in conversion calculation of different hardmeters has to be considered.

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