... 关键词 非调质 低焊接裂纹敏感性 开发 [gap=844]Keywords non quenched and tempered,low welding crack susceptibility,development ...
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...低焊接裂纹敏感性； 大线能量焊接； 焊接热影响粗晶区；微观组织； 针状铁素体[gap=1064]Key words: HSLA steel; low susceptivity to weld cracking; large heat input welding; coarse grain heat affected zone; microstructure; aci..
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研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢，并研究了其冷应变时效行为。
A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.
国产WDL钢种是一种对焊接冷裂纹敏感性低、焊接前不要预热或稍加预热而不产生焊接冷裂纹的钢板。
WDL is a certain steel which has lower sensitivity to weld cold crack and need not or a little warm-up before weld.
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