Carbon steel tubes for general machine structural purposes
一般机械结构用碳钢管
发布日期:
2021-01-01
本日本工业标准规定了主要用于机械零件的碳钢管(以下简称钢管)的要求。
This Japanese Industrial Standard specifies the requirements for the carbon steel tubes mainly used for machine parts (hereafter referred to as tubes).