会计 来源:互联网 时间:2023-04-28 05:06:55
【资料图】
1、套管,通常用在建筑地下室,用来保护管道或者方便管道安装的铁圈。
2、套管的分类:刚性套管、柔性防水套管、钢管套管及铁皮套管等。
3、用途:用于油井用套管和油管的无缝钢管主要生产钢管牌号:J55、K55、N80、L80、P110等电力套管:一种碳钢的直管短节,套在管子与管子及穿线管上,以保护接口处的不被电焊伤害到,其目的就是保护电线及电缆。
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