Commercial Production Practice on Steel 15CrMoG for Boiler Tube of Power Station

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Commercial Production Practice on Steel 15CrMoG for Boiler Tube of Power Station

更新时间：2026-01-21

- Commercial Production Practice on Steel 15CrMoG for Boiler Tube of Power Station
- Special Steel Vol. 33, Issue 5, Pages: 32-34(2012)
- 作者机构：
  
  攀钢集团攀枝花钢机有限公司科技创新部,攀枝花,617000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：22 March 2012，
  
  Online First：09 October 2022，
  
  Published：09 October 2012
- 稿件说明：
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寄海明. Commercial Production Practice on Steel 15CrMoG for Boiler Tube of Power Station[J]. Special Steel, 2012, 33(5): 32-34.
DOI：

寄海明. Commercial Production Practice on Steel 15CrMoG for Boiler Tube of Power Station[J]. Special Steel, 2012, 33(5): 32-34. DOI：

摘要

锅炉管用钢15CrMoG(/%:0.12～0.18C、0.17～0.35Si、0.40～0.70Mn、≤0.015P、≤0.010S、0.80～1.10Cr、0.40～0.55Mo、≤0.08V、≤0.020Alt)要求非金属夹杂物的级别C≤1.0、Ds≤1.0。该钢的生产流程为铁水预处理-120 t LD-LF-RH-280 mm×380 mm连铸坯-轧制Φ100～Φ120 mm圆管坯。通过铁水深脱硫、LD终点控制0.03%～0.09%C、0.004%～0.012%P、0.006%～0.015%S

加铝铁2.5 kg/t的低铝脱氧

使用碱度为3～4的精炼渣

使中间包钢水的P含量为0.005%～0.012%

S含量0.005%～0.008%

Al含量为0.004%～0.008%

圆管坯的各项指标均满足用户协议要求。

Abstract

The rating of inclusions in steel 15CrMoG for boiler tube (/%: 0. 12 〜0. 18C

0. 17 - 0. 35Si

0. 40 〜0. 70Mn

≤0.015P

≤O. 010S

0. 80 〜1. 10Cr

0. 40 〜0. 55M。≤0. 08 V

≤0. 020Alt) is that C series ≤1.0 and Ds series ≤1.0. The production flow sheet of the steel is hot metal pretreatment-120 t LD-LF-RH-280 mm x 380 mm bloom casting-rolling to Φ 100 ~ Φ120 mm round tube blank. With hot metal deepening desulphurization

LD end point controlling 0. 03% - 0. 09% C

0. 004% -0. 012% P

0. 006% -0. 015% S

low aluminium deoxidation with adding 2. 5 kg/t aluminium-iron

and using refining slag with basicity 3 ~4

as a result in liquid steel in tundish the P content is 0. 005% ~ 0. 012%

the S content is 0. 005% 〜0. 008% and the aluminium content is 0. 004% 〜0. 008%

and each index of round tube blank all meets the requirement of user terms of agreement.

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