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Manufacturing process for corrosion-resistant and wear-resistant steel pipe

A manufacturing process and technology for steel pipes, which are applied in the field of corrosion-resistant and wear-resistant steel pipe manufacturing processes, can solve the problems that bending steel pipes cannot be sprayed, and the process is complicated, and achieve the effects of meeting the use requirements, simple process design, and easy implementation.

Inactive Publication Date: 2011-07-27
自贡市巨光硬面材料科技有限公司
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Problems solved by technology

[0002] When transmitting some special media, it is often required that the inner surface of the steel pipe has good corrosion resistance and wear resistance. The traditional treatment methods mainly include: (1) Casting double-layer steel pipes, the inner layer is made of corrosion resistance and wear resistance, but the process is more complicated ; (2) Directly spray corrosion-resistant and wear-resistant materials on the inner wall of the steel pipe, but it cannot be sprayed for longer or smaller or bent steel pipes

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  • Manufacturing process for corrosion-resistant and wear-resistant steel pipe
  • Manufacturing process for corrosion-resistant and wear-resistant steel pipe
  • Manufacturing process for corrosion-resistant and wear-resistant steel pipe

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Embodiment Construction

[0026] All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and / or steps.

[0027] Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), unless expressly stated otherwise, may be replaced by other equivalent or alternative features serving a similar purpose. That is, unless expressly stated otherwise, each feature is but one example of a series of equivalent or similar features.

[0028] like figure 1 and figure 2 As shown, a manufacturing process of corrosion-resistant and wear-resistant steel pipe of the present invention, the manufacturing process of corrosion-resistant and wear-resistant steel pipe, includes the following steps: A. Welding groove opening: two grooves are opened symmetrically along the axis on the outer surface of steel pipe 1 with a groove machine. Welding groove 2; B. Cut into two parts: cut the steel p...

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Abstract

The invention discloses a manufacturing process for a corrosion-resistant and wear-resistant steel pipe. The process comprises the following steps of: sectioning a steel pipe into two parts; performing spray coating; and welding. Thus, the aim of spray-coating an alloy protection layer on the inner surface of a long steel pipe, small steel pipe or bent steel pipe is fulfilled, the corrosion resistance and the wear resistance of the steel pipe are effectively improved, operating requirements under different working conditions are met, and manufacturing difficulty and production cost of the process are also reduced. The manufacturing process for the corrosion-resistant and wear-resistant steel pipe is simple in design, is easy to realize and has an obvious beneficial effect.

Description

technical field [0001] The invention relates to a manufacturing process of a steel pipe, in particular to a manufacturing process of a corrosion-resistant and wear-resistant steel pipe. Background technique [0002] When transmitting some special media, the inner surface of the steel pipe is often required to have good corrosion resistance and wear resistance. The traditional treatment methods mainly include: (1) Casting double-layer steel pipe, the inner layer adopts corrosion resistance and wear resistance, but the process is more complicated ; (2) Spray corrosion-resistant and wear-resistant materials directly on the inner wall of the steel pipe, but it cannot be sprayed for long or small or bent steel pipes. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to provide a manufacturing process for a corrosion-resistant and wear-resistant steel pipe which can spray an alloy protective layer on the inner surface of a long stee...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCF16L57/06
Inventor 卢艺雄
Owner 自贡市巨光硬面材料科技有限公司
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