焊接用钢是指专门供电弧焊、气焊、埋弧自动焊、电渣焊和气体保护焊等用的焊丝和盘条以及钢带。焊接用钢按化学成分可分为非合金钢、低合金钢、合金钢三类；按所焊材质的不同特性可分为结构钢和不锈钢等类。非合金钢、低合金钢按其硫、磷含量不同，可分为优质钢、特殊质量钢两类。
...用盘条的生产实践 关键词：焊接用钢；线材生产；铁素体和珠光体；吐丝温度；组织性能 [gap=584]Key words ：steel for welding；wire rod production；ferrite and pearlite；laying temperature；microstructure and ..
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青钢应用“转炉-小方坯连铸机-高速线材轧机”工艺流程试制EH14焊接用钢盘条。
The advanced development process flow of "converter-small billet continuous casting machine-high speed wire rod mill" is adopted in developing EH14 wire rod for weld.
为适应大型工程机械焊接用钢需要，对低合金高强度钢HG80及其焊接接头的疲劳裂纹扩展速率进行了研究。
To meet the development of steels used for the large engineering machinery, fatigue crack growth rates of a high strength low alloy steel HG80 and welded joint were investigated.
将转接件分别焊接在埋件上及工字钢上，然后将立柱用螺栓与转接件连接起来。
Weld switchover pieces separately on embedment and I-steel, and then connect the mullion with bolts and switchover pieces.
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