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Chinese Standard Of Welded Pipe Type

Edit:Ausin Pipeline Material & Equipment Co.,Ltd   Date:Jun 12, 2016

Chinese standard of Welded Pipe Type

1. The ordinary carbon steel wire casing (GB/T3640-88) is the tube used for protecting wire in the industrial and civil construction and installation of machinery and equipment.

2. The straight seam welded steel pipe (YB242-63) is the weld and the steel tube parallel to the longitudinal steel pipe. Usually divided into metric welded steel pipe, welded thin-wall tube, transformer cooling pipe and so on.

3. The pressurized fluid conveying with spiral seam submerged arc welding steel pipe (SY5036-83) is adopt a hot rolled steel coil tube as billet, and shape by spiral, with double-sided submerged arc welding method to weld, spiral seam steel pipe used for pressurized fluid conveying. The steel tube has strong pressure bearing ability and good welding performance. Due to passed the strict scientific inspection and testing, the use of the pipe is safe and reliable. The steel pipe diameter is big with high transmission efficiency, and can save laying pipelines. Mainly used for conveying oil, natural gas pipeline.

4. The pressurized fluid conveying with high frequency welding steel pipe spiral seam (SY5038-83) is adopt hot rolled steel coil tube as the billet, and shaping by warm spiral forming, using high-frequency welded lap welding method, used in pressurized fluid conveying spiral seam high frequency welding steel pipe. The steel tube has strong pressure bearing ability and good plasticity, and easy to welding and processing; After all kinds of strict and scientific inspection and testing, the use of safe and reliable steel pipe diameter is big with high transmission efficiency, and laying pipelines of investment can be saved. It is mainly used for laying of pipeline transport oil, gas, etc.

5. The common low-pressure fluid conveying spiral seam submerged arc welding steel pipe (SY/T5037-2000) is using hot rolled steel coil tube as billet, and shaping by warm spiral forming, adopt the double automatic submerged arc welding or one side welding into legal system to manufacture the common low-pressure fluid conveying with submerged arc welding steel pipe for water, gas, air and steam.

6. The low-pressure fluid conveying spiral seam high frequency welded steel pipe (SY5039-83) is using a hot rolled steel coil tube as the billet, and shaping by warm spiral forming, using high-frequency lap welding welding for low-pressure fluid conveying spiral seam high frequency welding steel pipe.

7. Pile with spiral weld pipe (SY5040-83) is by adopting hot rolled steel coil tube as the billet, and shaping by warm spiral forming, made of double-sided submerged arc welding or high frequency welding, used in civil construction, port, bridge pile foundation.

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