对于钢桥，按照破坏形式对各类病害进行分类，主要有疲劳和脆性断裂、腐蚀、失稳以及机械损伤。
As for steel Bridges, the diseases can be classified into different kinds, which the important ones are fatigue and brittle failure, corrosion, buckling and mechanical failure.
简体中文标题：焊接消耗品。高强度钢气体保护电弧焊用焊丝电极、焊丝、焊条和沉积金属。分类。
English Name: welding consumables - wire electrodes, wires, rods and deposits for gas-shielded arc welding of high strength steels - Classification.
本标准第一部分适用于按照化学成分对钢进行分类。
The first part of standard is applicable to classify steel on the chemical composition.
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