The load bearing flat steel bar and banding steel flat have high strength only when vertical to the steel grating, so unreasonable pressure in other directions may lead to deformation or damage.

• 钢格板承载扁钢及包边扁钢仅在钢格板高度上方（垂直于钢格板平面方向）有较高的强度，侧向不合理受力会导致变形或损坏。