15CrMo合金管

15CrMo合金管:昨天,高10米、重730吨的世界首台"

SG/72015CrMo合金管四辊式热定减径机"在大连三高集团成功下线,很快将发往"世界钢管业龙头企业"———天津钢管集团股份有限公司,安装于生产西气东输管材的生产线。它的下线不仅打破我国无缝钢管三大主机全部依赖进口的局面,而且使我国无缝钢管连轧设备生产一跃跻身世界一流水平。副市长曲晓飞、老领导魏富海参加了下线仪式。

大连三高集团一直致力于钢管加工设备的研发和制造,近三年来公司每年按销售收入的3%

5%的比例提取专项科技资金,目前已经取得了26项专利技术,近80项专利技术正在申报中。

据介绍,15CrMo合金管生产由穿孔机、轧管机、定减径机三大主机组成。此前,我国需要的三大主机全部依赖进口。热定减径机主要完成无缝钢管生产的最后一道加工工序。在无缝钢管生产的历史中,热定减径机由最初的两辊式发展为三辊式,并且一直沿用到今天。与前两种相比,四辊式定减径机好处在于:轧制不同规格的钢管时,只换轧辊,不换辊架;轧辊的修磨只需普通车床;轧辊厚度和直径比三辊式小15%

20%左右,设备体积大大减小。

15CrMo合金管有着巨大的市场需求,广泛应用于石油天然气输送、城市燃气、煤井排风、输水管以及部分高压锅炉管、热力管、油井管等领域。在发达国家,无缝钢管应用比例达到70%左右。据预测,未来10年我国对无缝钢管总需求量约为1500万吨

1700万吨,平均每年150万吨 170万吨。



相关词组
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