Development of Process for Precipitation-Hardening Stainless Steel TP347H Seamless Tube for Power Station Boiler

方旭东; 徐鸿麟

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Development of Process for Precipitation-Hardening Stainless Steel TP347H Seamless Tube for Power Station Boiler

更新时间：2026-01-21

- Development of Process for Precipitation-Hardening Stainless Steel TP347H Seamless Tube for Power Station Boiler
- Special Steel Vol. 28, Issue 2, Pages: 49-50(2007)
- 作者机构：
  
  太原钢铁(集团)有限公司技术中心,太原,030003
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：09 October 2006，
  
  Online First：10 March 2023，
  
  Published：10 March 2007
- 稿件说明：
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方旭东, 徐鸿麟. Development of Process for Precipitation-Hardening Stainless Steel TP347H Seamless Tube for Power Station Boiler[J]. Special Steel, 2007, 28(2): 49-50.
DOI：

方旭东, 徐鸿麟. Development of Process for Precipitation-Hardening Stainless Steel TP347H Seamless Tube for Power Station Boiler[J]. Special Steel, 2007, 28(2): 49-50. DOI：

摘要

太钢采用铁水预处理+30 t电弧炉熔化合金钢水-75 t K-OBM-S吹炼-VOD处理-LF精炼-5．6 t铸锭开坯(或220 mm×220 mm铸坯)-Φ100 mm管坯穿孔-冷轧(冷拔)流程

生产了Φ38 mm×6．6 mm TP347H (1Cr19Ni11Nb)钢无缝管。结果表明

通过控制[O

]

≤30×10

-6

、[H

]

≤3×10

-6

、As≤0.003 0％、Pb、Sn、Sb、Bi分别≤0．001 0％以及钢中C含量0.06％～0.08％、Nb含量0．6％-0.8％

钢管具有优良的冷、热加工性能

其各项性能均满足ASME和GB标准的使用要求。

Abstract

φ38 mm×6.6 mm seamless tube of steel TP347H(1Cr19Nil1Nb) was produced at Taiyuan Steel by hot metal pretreatment + 30 t EAF melting alloying steel -75 t K-OBM-S blowing -VOD treatment - LF -bloom by 5.6 t ingot or 220 mm×220 mm concasting billet -φ100 mm tube blank piercing - cold rolling (cold drawing) flow sheet. Results showed that the tube had excellent cold and hot workability by control [O

]

≤30×10

-6

]

≤3×10

-6

As≤ 0.0030%

Bi respectively ≤0.0010%

and C content in steel0.06%~0.08%

Nb content 0.6%~ 0.8%

and each property of tube met the requirement of ASME and GB standard.

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