首页|SA508M.Gr.3CL.2钢锭冶炼生产实践

SA508M.Gr.3CL.2钢锭冶炼生产实践

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SA508M.Gr.3CL.2钢主要用于生产制造核电装备的锻件钢锭,其对P、H元素和w(N)/w(Al)比值等要求严格.上海电气上重铸锻有限公司根据此钢种的成分要求,制定了冶炼生产工艺,通过采取严格控制配料、脱磷、脱硫、偏析以及真空脱气等工艺措施,成功生产了460 t超大型SA508-3钢钢锭.锻件成品中w(P)≤0.004％、w(S)≤0.002％、w(H)≤0.8×10-6、w(O)＜5.0×10-6,w(N)/w(Al)比值在0.6～0.9之间,C、Mn、Mo元素偏析控制较好,满足了此钢种的内控成分要求.
Smelting production practice of SA508M.Gr.3CL.2 steel ingot
SAS08M.Gr.3CL.2 steel is used to manufacture of nuclear power forging ingot,with strict requirements of P,H elements and w (N) / w (Al) ratio.Based on the composition requirements of the steel,Shanghai Electric Heavy Casting & Forging Co.Ltd.formulated the production process of smelting production and successfully produced the 460 t ingot of the steel through strict control on charging,dephosphorization,desulphurization,segregation and vacuum degassing.The chemical compositions of the forging product were w(P)＜0.004 ％,w(S)＜0.002 ％,w(H)＜0.8 × 10-6 and w(O)＜5.0 × 10-6,the ratio of w(N)/w(Al) between 0.6 and 0.9,and the segregation elements of C,Mn,Mo controlled well,which met the internal control requirements of the company.

SA508M.Gr.3CL.2 steeldephosphorizationvacuum degassingsegregation controlextra large ingot

黄飞

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上海电气上重铸锻有限公司冶铸分厂,上海200245

SA508M.Gr.3CL.2钢 脱磷 真空脱气 偏析控制 超大型钢锭

2017

钢铁研究
武汉钢铁（集团）公司

钢铁研究

CSTPCD
影响因子：0.314
ISSN：1001-1447
年,卷(期)：2017.45(6)
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