标准摘要
[中文适用范围]： 规定了 ISO/TC 5/SC 1 在起草有关钢管的国际标准时使用的大部分尺寸公差。 旨在供所有与钢管标准化相关的 ISO 技术委员会用作基本文件。 因此，它不能用作产品定义的标准。 第二版取消并取代了第一版（1977 年），其厚度的标准化公差已进行了技术修订。 [外文原描述]： Specifies the majority of tolerances on dimensions used by ISO/TC 5/SC 1 in drawing up International Standards concerning steel tubes. Is intended for use as a basic document by all ISO technical committees concerned with the standardization of steel tubes. It cannot, therefore, be used as a standard for the definiton of a product. This second edition cancels and replaces the first edition (1977), the standardized tolerances on thickness of which have been technically revised.
英文名称Steel tubes — Tolerance systems