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| T/CNCA 040-2022 Coated composite steel pipe for centralized liquid supply in mining (English Version) |
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Detail of T/CNCA 040-2022
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Introduction of T/CNCA 040-2022
本文件规定了矿用集中供液用涂层复合钢管（简称涂层钢管）的产品分类、型号标记、材料、技术要求、试验方法、检验规则及标志、包装、运输和贮存。
本文件适用于煤矿井下公称尺寸不大于DN 200、介质温度为0 ℃～45 ℃、额定工作压力不大于100 MPa的煤矿机械液压系统矿用集中供液用涂层复合钢管。
Contents of T/CNCA 040-2022