Invention Grant
US09027309B2 Welded hot-rolled high-strength steel structural members and methods 有权
焊接热轧高强度钢结构件及方法

Welded hot-rolled high-strength steel structural members and methods
Abstract:
Hot-rolled high-strength steel elongated structural members and method of making same are disclosed by hot-rolling high-strength steel having a specific chemical composition to provide structural units. The units are then welded together to provide structural members of desired geometrical configuration including a thin web with opposed thicker flanges extending therefrom to increase the load bearing capacity of the members.
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