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030601004 低压碳钢管 - 工程量清单 - 工程基础数据 - 氿上商城

docx 030601004 低压碳钢管

产品简介

低压碳钢管 1.1、材质:高密度聚乙烯外护管 聚氨酯泡沫塑料预制直埋保温管 聚氨酯泡沫塑料性能指标 密度60Kg/m3 闭孔率 80% 径向抗压强度200KPa 导热系数0.027W/m.k 高温下吸水率 10% 外套管料性能指标 密度944Kg/m3 拉伸强度20MPa 断裂拉伸率350% 组合成品管性能 轴向剪切强度120kPa 2.2、连接方式:焊接连接 3.3、规格:工作管无缝钢管 Φ325*8 外套管Φ450*5 4.4、压力试验、吹扫、清洗设计要求:水压试验 试验介质为洁净水 工作压力0.8MPa 试验压力1.5MPa 报价需要包含管道压力检测费

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