兴澄特钢连铸连轧高压锅炉管用钢坯的质量控制  

Quality Control of Steel Blank for Tube of High Pressure Boiler by Concasting and Tandem Rolling at Xingcheng Special Steel

作　　者：葛龙桂 李国忠 

机构地区：[1]江阴兴澄特种钢铁有限公司,江阴214429

出　　处：《特殊钢》2005年第3期61-62,共2页Special Steel

摘　　要：通过采用1 0 0t电弧炉热装铁水+生铁+优质废钢冶炼、LF二次精炼,连铸坯热装(≥550℃) ,连铸坯质量自动判定系统,兴澄特钢生产的2 0G ,2 5MnG ,SA 2 1 0C ,1 5CrMoG ,1 2Cr1MoVG ,SA 2 1 3T1 2等牌号的高压锅炉管坯钢S、P含量≤0 .0 2 5% ,残余Cu≤0 .1 8% ,(As +Sn +Sb +Pb +Bi)≤0 .0 2 8% ,并具有高的洁净度和实物质量水平。By using 100 t arc furnace steelmaking with hot metal + pig iron + quality scrap charging, LF secondary refining, concasting billet hot feeding (temperature for heat furnace ≥550 ℃), and automatic determinant system for quality of concasting billet, the S, P content in steel tube blank for high pressure boiler including 20G, 25MnG, SA-210C, 15CrMnG, 12Cr1MoVG, SA-213 T12 designations produced at Xingcheng Special Steel was ≤0.025%, residual Cu≤0.18%, (As+Sn+Sb+Pb+Bi)≤0.028%, and has higher cleanliness and quality level of products.

关 键 词：高压锅炉管 质量控制 连铸连轧 特钢 钢坯 连铸坯质量 热装铁水 100t 二次精炼 自动判定 质量水平 钢冶炼 电弧炉 20G 管坯钢 洁净度 生铁 LF 

分 类 号：TF777[冶金工程—钢铁冶金]