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Centrifugal casting method for Inconel 600 alloy pipe

A technology of centrifugal casting and alloy tubes, which is applied in the field of alloy materials, can solve problems such as difficult forming and poor fluidity of alloy liquid, and achieve the effects of saving import costs, saving procurement cycle, excellent appearance and mechanical properties

Active Publication Date: 2014-02-12
江苏双勤新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But for Inconel600 alloy, its fluidity of alloy liquid is poor, and it is not easy to form, so it is difficult to manufacture high-quality products by centrifugal casting process
There is no report about the centrifugal casting technology of Inconel600 alloy

Method used

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  • Centrifugal casting method for Inconel 600 alloy pipe
  • Centrifugal casting method for Inconel 600 alloy pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0026] Preparation of Inconel600 Alloy Tube with Specification φ273 / φ193

[0027] (1) Weigh 122kg of metal chromium, 616kg of metal nickel, 60kg of Q235 steel, 20kg of ferrosilicon and 30kg of ferromanganese, and set aside;

[0028] (2) Bake the raw material and the metal mold cylinder for centrifugal casting at 250°C for 35 minutes; among them, the riding angle of the mold cylinder is 92°, the inner hole size is φ277mm, and the inner wall of the mold cylinder is pre-sprayed with uniform, thick 0.8 mm of a coating consisting of 30 wt% diatomaceous earth, 15 wt% microsilica, 5.0 wt% sodium bentonite and 50 wt% water.

[0029] (3) Metal nickel, metal chromium and Q235B steel are melted in an intermediate frequency electric furnace, and when the temperature reaches 1662°C, they are released from the furnace, and ferrosilicon and ferromanganese are added to obtain an alloy liquid.

[0030] (4) When the temperature of the alloy liquid is 1620°C, pour it into a mold with a ro...

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Abstract

The invention relates to a centrifugal casting process for an Inconel 600 alloy pipe. According to the method, by taking metal chrome, metal nickel, Q235 steel, ferrosilicon and ferromanganese as raw materials, the fine-quality Inconel 600 alloy pipe can be manufactured through reasonable selection of process conditions and parameters. The alloy pipe provided by the invention, which has attractive appearance and good mechanical property, can substitute for an Inconel 600 rolled pipe currently available on the market, as a result, not only is the product import cost greatly reduced, but also the procurement cycle is shortened, thus facilitating popularization and application of the Inconel 600 alloy pipe.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, and in particular relates to a centrifugal casting method of an Inconel600 alloy pipe. Background technique [0002] Inconel600 alloy is a typical nickel-based alloy, which has good high temperature corrosion resistance and oxidation resistance, excellent cold and hot processing and welding performance, and is widely used in titanium dioxide, petrochemical, nuclear power and other fields. However, due to its alloy material characteristics, Inconel600 alloy pipe can only be processed by rolling process at this stage. At present, Inconel600 alloy tubes with excellent materials mainly come from imports, which are expensive and have a long procurement cycle. These factors have seriously affected the promotion and application of Inconel600 alloy tubes. [0003] Centrifugal casting is a casting method in which liquid metal is poured into a high-speed rotating mold cylinder, and the mold cylind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C19/05B22D13/00
Inventor 夏浩
Owner 江苏双勤新能源科技有限公司