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GB/T 36173-2018 球墨鑄鐵管線(xiàn)用自錨接口系統設計規定和型式試驗 Restrained joint systems for ductile iron pipe...2023-09-13

GB/T 34904-2017 球墨鑄鐵件超聲檢測 Spheroidal graphite iron castings-Ultrasonic testing2023-08-28

BS ISO 9349-2017 球墨鑄鐵管配件及其接頭熱預絕緣產(chǎn)品 Ductile iron pipes, fittings, accessories and their jo...2023-08-14

BS ISO 16132-2016 球墨鑄鐵管和管件水泥砂漿襯里密封層 Ductile iron pipes and fittings. Seal coats for cement...2023-07-02

14S501-1 球墨鑄鐵單層井蓋及踏步施工.pdf2023-06-16

15S501-3 球墨鑄鐵復合樹(shù)脂井蓋水箅及踏步.pdf2023-06-16

DL/T 768.4-2017 電力金具制造質(zhì)量第4部分:球墨鑄鐵件 Manufacture quality specification for electric power fit...2023-06-03

GB/T 13295-2019 水及燃氣用球墨鑄鐵管、管件和附件含2021年第一號修改單2023-05-08

GB/T 17457-2019 球墨鑄鐵管和管件水泥砂漿內襯 Ductile iron pipes and fittings-Cement mortar lining...2023-05-03

GB/T 13295-2019 水及燃氣用球墨鑄鐵管、管件和附件 Ductile iron pipes, fittings and accessories for water or g...2023-04-29

YB/T 4915-2021 綠色設計產(chǎn)品評價(jià)技術(shù)規范球墨鑄鐵管2023-03-06

GB/T 26081-2022 排水工程用球墨鑄鐵管、管件和附件2023-03-03

GB/T 9441-2021球墨鑄鐵金相檢驗Metallographic test method for spheroidal graphite cast iron2022-10-26

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