Basically, those steel pipe materials which, with adequately high strength, show sufficient toughness, good welding behaviour and resistance to corrosive media are in demand.

基本上，这些需求的钢管材料，都具有足够大的强度，韧性，良好的焊接能力以及耐腐蚀介质。

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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。

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The paper gives a description to the electric resistance welding and stretch reducing mill process (ERW/SRM) in steel pipe production and the features of its main equipments.

介绍了用焊接和热减径工艺生产钢管的ERW/ SRM 生产线及其主要的工艺设备特点。

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