HARDNESS CONTROL FOR BASE MATERIAL AND WELDED JOINTS OF 9%～12% Cr MARTENSITE STEEL

LI Yi-min; YANG Bai-xun; CUI Xiong-hua; HAN Chuan-gao; SHANG Hai-junXi'an Thermal Power Research Institute Co Ltd

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HARDNESS CONTROL FOR BASE MATERIAL AND WELDED JOINTS OF 9%～12% Cr MARTENSITE STEEL

更新时间：2025-09-28

- HARDNESS CONTROL FOR BASE MATERIAL AND WELDED JOINTS OF 9%～12% Cr MARTENSITE STEEL
- Thermal Power Generation Vol. 39, Issue 3, Pages: 57-60(2010)
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG457.11
- Published：2010
- 稿件说明：
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LI Yi-min, YANG Bai-xun, CUI Xiong-hua, et al. HARDNESS CONTROL FOR BASE MATERIAL AND WELDED JOINTS OF 9%～12% Cr MARTENSITE STEEL[J]. Thermal power generation, 2010, 39(3): 57-60.
DOI：

LI Yi-min, YANG Bai-xun, CUI Xiong-hua, et al. HARDNESS CONTROL FOR BASE MATERIAL AND WELDED JOINTS OF 9%～12% Cr MARTENSITE STEEL[J]. Thermal power generation, 2010, 39(3): 57-60. DOI：

摘要

对P91钢母材及焊缝硬度与强度、冲击功及断裂韧度的关系进行的试验研究表明

当硬度低于180 HB时

P91钢母材及焊缝的强度不满足相关标准要求;当硬度高于270 HB时

焊缝的冲击功不满足相关标准的要求。试验结果与9%～12%Cr马氏体耐热钢的硬度控制判据相吻合。

Abstract

The test study carried on the relationship between hardness and strength

impact work

and fracture toughness for base material and welded joints of P91 steel shows that the strength of base material and welded joints of P91 steel can't satisfy the requirements specified in related standards in the event of hardness being lower than 180 HB;the impact work of welded joints can't satisfy requirements stipulated in related standards in the case of hardness being higher than 270 HB.The result of test tallies well with the criteria of hardness control for 9%～12% Cr Martensite heat-resisiting steel.

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Related Author

GUI Li-cheng2(1.Xi'an Thermal Power Research Institute Co Ltd

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CAI Lian-yuan2

SHI Zhi-gang1

LI Yi-min1

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