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1·Fbutt welding of the carbon steel pipe.

用于各种碳钢钢管的环缝对接。

2·For butt welding of the carbon steel pipe.

用于各种碳钢钢管的环缝对接。

3·I offered carbon steel pipe. Somebody need it?

我是卖钢管管件的，有需要的朋友吗？

4·Our company professionally offers all kinds of stainless steel, alloy steel, carbon steel pipe.

本公司专业提供各种不锈钢，合金钢，碳钢管件…

5·The features of electric resistance welded(ERW) carbon steel pipe are analyzed from the viewpoint of design code and material selection.

从设计规范与管材选用方面对电阻焊碳钢直缝钢管（ ERW）的特点进行了分析。

6·Since 2011 carbon and alloy steel seamless pipes for synthesis of carbon steel pipe and outer pipe project of Inner Mongolia Donghua Energy Co., Ltd.

2011年起供内蒙古东华能源有限责任公司合成碳钢管道和外管项目用合金管和碳钢管。

7·The chemical composition, mechanic property, weldability and corrosion resistance of argon arc welding wire for low carbon steel pipe line are contrasted and analyzed.

对低碳钢管线用的氩弧焊丝的化学成分、机械性能、 可焊性能、 耐腐蚀性能进行对比分析，为合理选用焊丝提供了依据。

8·In this paper, the residual welding stresses in a low carbon steel girth butt welded pipe are calculated with a nonlinear finite element code ADINA.

本文利用ADINA非线性分析有限元程序，对低碳钢管道环焊缝接头焊接残余应力进行计算。

9·This pipe is made of carbon steel (stainless steel, cast iron, plastic).

这管子是碳素钢(不锈钢、铸铁、塑料)制成的。

10·In addition, the method of affixing carbon fabric for the inner corners of specimens with steel pipe clamp is effective and reliable.

另外，在构件阴角部位粘贴碳纤维布采用钢管夹具夹持施加外力的技术方案可行，且具有较好效果。