Carbon steel square and rectangular tubes for general structure
一般结构用碳钢方管和矩形管
发布日期:
2021-01-01
本日本工业标准规定了用于土木工程、建筑和其他结构的碳钢方管和矩形管(以下简称管)的要求。
This Japanese Industrial Standard specifies requirements for the carbon steel square and rectangular tubes (hereafter referred to as tubes), used for civil engineering, architecture and other structures.