Application of Powder without Free Carbon for Ingot Casting Cold Heading Steel

朱祖民; 蔡得祥; 张晨; 庄铁

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Application of Powder without Free Carbon for Ingot Casting Cold Heading Steel

更新时间：2026-01-21

- Application of Powder without Free Carbon for Ingot Casting Cold Heading Steel
- Special Steel Vol. 29, Issue 5, Pages: 47-49(2008)
- 作者机构：
  
  宝山钢铁股份有限公司研究院,上海,201900
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 March 2008，
  
  Online First：06 January 2023，
  
  Published：06 January 2008
- 稿件说明：
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朱祖民, 蔡得祥, 张晨, et al. Application of Powder without Free Carbon for Ingot Casting Cold Heading Steel[J]. Special Steel, 2008, 29(5): 47-49.
DOI：

朱祖民, 蔡得祥, 张晨, et al. Application of Powder without Free Carbon for Ingot Casting Cold Heading Steel[J]. Special Steel, 2008, 29(5): 47-49. DOI：

摘要

为减少0.03%～0.07%C冷镦钢10.3 t模铸锭的增碳

开发了不添加炭素材料保护渣

主要成分(%)为TC 1.10～1.22

5.03～5.62，Na

O 3.29～3.40；CaO/SiO

=0.55～0.58。该保护渣具有高的熔化温度(1 300℃)，高粘度(1 500℃

1.5 Pa·s)，低容重(0.38～0.40 g·cm

-3

)

因此能降低保护渣的熔化速度(1 500℃，5.70～5.96 g/min)。生产试验表明

钢坯增碳发生率≤5%。

Abstract

The powder no-adding carbon of which the main ingredient is TC 1. 10~1.22，Al

5.03～5.62，Na

O 3.29~3.40，CaO/SiO

=0.55~0.58 has been developed to reduce the recarburization of 10.3 t ingot of 0.03~0.07 C cold heading steel.The powder has high melting temperature (1300℃)

high viscosity(1.5 Pa · s at 1500 ℃)and low bulk density(0.38～0.40 g ·cm

-3

)

that is available to decrease melting speed of powder(5.70～5.96 g/min).Pilot production results showed that the occurred ratio of recarburization was ≤5%.

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