Specification for copper tubes for water, gas, and sanitation
水、煤气和卫生设备用铜管规范
发布日期:
1976-01-01
规定了公称口径为10至300 mm的管子的化学成分、机械性能和尺寸。尺寸与被取代的英制范围兼容。
Specifies chemical composition, mechanical properties and dimensions for tubes of 10 to 300 mm nominal bore. Dimensionally compatible with superseded Imperial range.