hollow square steel

基本解释

As structural component, square hollow steel sections have favorable properties for resisting compression, bending and torsion.
方管作为结构构件，在压、弯、扭方面具有优越的性能。
Load-carrying capacity and practical calculation method of welded hollow spherical joints with square steel tubes subjected to combined axial forces and biaxial bending moments;
本文采用材料力学中梁的受力分析方法给出了这类容器中支座反力和最大轴向弯矩的计算方程。
The structures made of square hollow steel sections by using the directly welded joints are fabricated easily and economically, which can be found in many applications all over the world.
由方管直接焊接组成的结构，节点构造简单，加工方便，造价较低，在国内外已被广泛应用到各种工程领域。