tube steel

All lay the theoretical groundwork for the application of gangue concrete steel tube to engineering practice.

为将钢管煤歼石混凝土结构应用于工程实践奠定了理论基础.

Experimental Study on Connection between Concrete filled Square Tube Column and Steel beams under Tensile Loading

方钢管混凝土柱与钢梁连接的拉伸试验研究

By adopting optical metallography, micro-hardness examination etc., the comparative test to the microstructure of the dissimilar steel tube joint ( 12Cr1MoV and 0Cr17Ni12Mo2) with Ni-based weld between in as-welded condition and after the high temperature run was carried out.

采用光学金相、显微硬度等试验方法，对12Cr1MoV和0Cr17Ni12Mo2两种管材的镍基焊缝异种钢接头显微组织，进行焊后状态和高温运行后状态对比分析试验。

The roller stand, as the central part of tension reducing mill of seamless steel tube finish rolling line imported from Germany is the key consumable part of mills.

从德国引进的无缝钢管精轧生产线，其张力减径部分中心部件轧辊支架是机组中的主要消耗零件。

Wushan Changjiang River Bridge is a half-through concrete-filled steel tube arch bridge.

巫山长江大桥是一座中承式钢管混凝土拱桥.

It is a stainless steel tube about 2 cm in diameter.

它是直径约2厘米的不锈钢管.

Analysis of Temperature Effect of Creep of Concrete Filled Steel Tube Structures

温度作用下钢管混凝土结构的徐变研究

Some steel tube used in oil well was leakage in the period of several months.

某油井钢管使用不到一年即发生渗漏.

But in this project, steel tube tower which use a lot of flexible tension bar and is high, so nonlinear analysis is needed.

可是，在本工程中，由于采用柔性拉杆钢管塔使用了大量的柔性拉杆，并且结构高度高具有高柔的特点，就必须采用非线性分析。

All types of complete spiral steel tube equipment are designed and manufactured by the company.

我公司设计、生产各种类型的螺旋钢管成套设备.