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更新时间:2024.04.28
聚乙烯管与钢管、铸铁管的比较

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将聚乙烯 (PE)管与钢管、铸铁管进行了对比 ,PE管具有使用寿命长 ,耐腐蚀 ,柔韧性、严密性好 ,施工速度快等优势

JISG3469-2002聚乙烯覆层钢管

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JIS G3469-2002 聚乙烯覆层钢管 1. Scope This Japanese Industrial Standard specifies the external poly ehylene coated steel pipes, hereinafter referred to as the "coated steel pipe s", mainly used for underground(1) services transporting gas, oil, water, et c. Note(1) The underground referred to herein includes the bottoms of ri ver, sea, etc. Remarks The standards cited in this Standard are as follows.

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