一般结构用钢和焊接结构钢用在建筑钢结构，桥梁，船舶和汽车。

General structural steel and welding structural steel are used in the construction of steel structures, Bridges, ships and automobiles.

youdao

生产钢种：碳素结构钢、低合金高强度结构钢、桥梁用钢、耐候钢等。

Production steel grade: carbon structure steel, low alloy high intensity structure steel, steel for bridge, weathering steel, etc.

youdao

生产钢种：碳素结构钢、低合金高强度结构钢、桥梁用钢、耐候钢等。

Production steel grade: carbon structure steel, low alloy high intensity structure steel, steel for bridge, weathering steel, etc.

youdao