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Nickel-copper alloy seamless tube

A technology of nickel-copper alloy and seamless pipe, applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of complicated process and waste of resources, and achieve long service life, wear-resistant physical properties, excellent The effect of physical properties

Inactive Publication Date: 2013-09-04
SUZHOU BEST METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its comprehensive and good comprehensive performance, it has been widely used in all walks of life, which makes traditional seamless pipes unable to meet the requirements. The traditional seamless pipe production method to make nickel-copper alloy seamless pipes is not only wasteful resources, and the process is complex

Method used

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  • Nickel-copper alloy seamless tube

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Embodiment Construction

[0019] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

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Abstract

The invention discloses a nickel-copper alloy seamless tube. The nickel-copper alloy seamless tube comprises the following components: copper, iron, manganese, silicon, silicon, sulfur and the balance of nickel; the manufacturing steps of the nickel-copper alloy seamless tube comprise the following steps of: (1), preparing blank and checking the performances of the blank; (2), heating up the ingredients and punching; (3), polishing the blank; (4), carrying out thermal expansion molding treatment on the blank; (5), heating up the blank; (6), carrying out straightening, internal grinding, external grinding and flaw detection on the blank; and (7), carrying out checking, spraying, packaging, weighing and stock removal on the finished product. According to the nickel-copper alloy seamless tube disclosed by the invention, the surface corrosion performances of the product are improved, the performance standards are better, and the manufacturing cost is lowered; and moreover, the production process is simple.

Description

technical field [0001] The invention relates to the manufacture of a seamless pipe, in particular to a nickel-copper alloy seamless pipe made of UNS NO4400 alloy. Background technique [0002] A seamless pipe is a long strip of steel with a hollow section and no seams around it. It is a steel pipe that is resistant to weak corrosive media such as air, steam, and water, and chemically corrosive media such as acids, alkalis, and salts. Also known as stainless acid-resistant steel pipe, with the implementation of my country's reform and opening up policy, the national economy has achieved rapid growth, and a large number of urban residences, public buildings and tourist facilities have been built, which puts forward new requirements for hot water supply and domestic water supply. Especially water problems, people more and more valued, pleas also driving forward. [0003] Nickel-copper alloys are resistant to corrosion by many corrosive media. Its high Ni content makes it hav...

Claims

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Application Information

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IPC IPC(8): C22C19/03F16L9/02C22F1/10
CPCC22F1/10C22C19/002C22C19/03
Inventor 王清明
Owner SUZHOU BEST METAL PROD