Effect of Quenching and Tempering Process on Mechanical Properties of Spring Steel 60Si2CrVAT

李英; 聂爱诚; 吴小林; 赵晗

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Effect of Quenching and Tempering Process on Mechanical Properties of Spring Steel 60Si2CrVAT

更新时间：2026-01-21

- Effect of Quenching and Tempering Process on Mechanical Properties of Spring Steel 60Si2CrVAT
- Special Steel Vol. 27, Issue 4, Pages: 61-62(2006)
- 作者机构：
  
  江阴兴澄特种钢铁有限公司，江阴,214429
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：22 March 2006，
  
  Online First：18 March 2023，
  
  Published：18 March 2006
- 稿件说明：
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李英, 聂爱诚, 吴小林, et al. Effect of Quenching and Tempering Process on Mechanical Properties of Spring Steel 60Si2CrVAT[J]. Special Steel, 2006, 27(4): 61-62.
DOI：

李英, 聂爱诚, 吴小林, et al. Effect of Quenching and Tempering Process on Mechanical Properties of Spring Steel 60Si2CrVAT[J]. Special Steel, 2006, 27(4): 61-62. DOI：

摘要

杭钢用80 t UHP DC电弧炉-钢包炉(LF)-200 mm×200 mm连铸及700×1／650×3轧机轧制

生产直径75 mm的Q390B低合金高强度圆钢。LF精炼时控制(％)0．16-0．19C

1．35-1．52Mn

0．03～0．05V

≤0．025S

≤0．025P

喂CaSi线并全程吹氩

连铸采用长水口保护浇注。检验结果表明

钢材具有良好的表面质量、低倍组织

夹杂物≤2．0级

钢的σB 380～465 MPa

σb 545～625 MPa

δ22．0％-28．5％

98-210 J。

Abstract

The φ18 mm high strength spring steel 60Si2CrVAT(0.57C

1.65Si

1.04Cr

0. 13V)was produced by 100 t EBT EAF-LF(VD)- 300 mm×320 mm billet casting process at Xingcheng Special Steel. The S+ P content in finished steel was ≤200×10

-6

and average oxygen content ≤12×10

-6

.Because the V carbon-nitride couldn't be dissolved completely below 900 ℃

the heat treatment test was carried out to obtain that the tensile strength was 1950~1970 MPa and elongation was 9%～12% by quenched at 910 ℃ for 60 min and tempered at 410 ℃ for 90 min.

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