Q235B中板延伸率低的原因分析
HEBEI METALLURGY(2005)
Abstract
针对延伸率低的Q235B中板,通过对拉伸试样的化学成分、断口、非金属夹杂物和金相组织等理化检验,分析了造成试样层状断口、中板延伸率低的原因,并提出了一些对策.
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Key words
low elongation
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