steel rule

ArcelorMittal has refused to rule out further plant closures in Europe as the global steel industry enters what some observers fear could be a five-year spell of overcapacity linked to signs of a severe slowdown in demand and consumption in China.

安赛乐米塔尔（ArcelorMittal）拒绝排除进一步关停在欧工厂的可能性。与此同时，全球钢铁行业正陷入某些观察人士担心可能长达五年的产能过剩期。人们可从中国钢铁消费及需求增长显著放缓影响的迹象中认识到这种产能过剩。

Based on the cold roll forming steel , its characteristic of roll-forming and deforming rule was analyzed.

以冷弯型钢中的槽钢为例, 分析了其辊弯成型的特点及变形规律.

Based on the general seismic design rule of structures, which is strong joint, weak member, another seismic design concept for steel structural end-plate connections, which is strong connection, weak plate is pnt forward.

本文还在“强节点，弱构件”抗震设计一般原则的基础上提出了“强连接，弱板件”的端板连接抗震设计概念。

The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed on its construction property, which can give some information for production.

本文针对蝶式孔型的结构特点，计算分析了不等边不等厚Z字钢在蝶式孔型中边部厚度变化的规律，为生产实践提供参考。

It analyzed the transmission rule of sound wave in steel tubular welding construction aims at the geometry of tube-tube joints.

针对管-管节点的几何特征，分析了声波在钢管焊接结构中的传播规律。