23.040.10;25.220.99 标准查询与下载

GB/T 34202-2017 球墨铸铁管、管件及附件 环氧涂层（重防腐）

Ductile iron pipes, fittings and accessories—Epoxy coating (heavy-duty)

AS 4321:2001 管道和管件用熔接中密度聚乙烯涂层和内衬

Specifies requirements for factory-applied fusion-bonded medium-density polyethylene coatings for pipes and fittings, for protection against corrosion at operating temperatures between -40?C and plus 50?C. It is intended for use by specifiers, applicator

Fusion-bonded medium-density polyethylene coating and lining for pipes and fittings

AS 1281:2001 钢管和配件用水泥砂浆衬里

Provides manufacturers, designers and purchasers of cement-mortar-lined steel pipes and fittings with a specification for their design and manufacture. This Standard applies to pipes of diameter 100 mm or larger, for the conveyance of water intended for

Cement mortar lining of steel pipes and fittings

AS 3680:1989 球墨铸铁管线用聚乙烯套管

Specifies requirements for materials for loose polyethylene sleeving intended for the corrosion protection of ductile and grey iron pipelines when installed underground.

Polyethylene sleeving for ductile iron pipelines