ISO 5256-1985 地下或水下管路用钢管和管件 管内外涂沥青或沥青油衍生物

标准号：ISO 5256-1985
中文标准名称：地下或水下管路用钢管和管件 管内外涂沥青或沥青油衍生物
英文标准名称：Steel pipes and fittings for buried or submerged pipe lines; External and internal coating by bitumen or coal tar derived materials
标准类型：H48
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：H48
国际标准分类号：23.040.10;23.040.40
适用范围：Specifies the coatings suitable for protecting surfaces of steel pipes and fittings, either individually or after assembly, and also the conditions for the application of such protective coatings. Applies to welded and seamless pipes of non-alloy steels used for the conveyance of fluids. The coatings of pipes intended for the transport of potable water and food products shall satisfy the public hygiene criteria of the country of use.