压力用途的焊接钢管 交货技术条件 第1部分:规定室温性能的非合金钢管

[中文适用范围]： 规定了圆形横截面管的条件。 这些管用于压力用途，包括在压力下输送流体。 包括符号和名称、买方提供的信息、制造工艺、冶金性能、尺寸、质量和公差、外观和健全性、检验和测试、标记和保护。 [外文原描述]： Lays down the conditions for tubes of circular cross-section. These tubes are intended for pressure purposes including the transport of fluids under pressure. Includes symbols and denominations, information to be supplied by the purchaser, manufacturing process, metallurgical properties, dimensions, masses and tolerances, appearance and soundness, inspection and testing, marking and protection.