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09MnNiDR钢制乙烯低温球罐焊接性能的试验研究

Zhenxing WANG,Jiancheng SHEN,Hongbin WANG,Huqing ZHAO,Jianlong XU,Shuxia ZHAO

New Technology & New Process（2017）

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Abstract
为研究09MnNiDR钢制乙烯低温球罐接性能,对-70 ℃低温钢09MnNiDR钢板进行了插销冷裂纹试验,试验分别按不预热、预热50 ℃和预热75 ℃进行,定量地确定了焊接预热温度对冷裂纹的影响,为国内首台设计温度-67 ℃、2000 m3乙烯低温球罐的制造提供了试验依据.
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