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An alloy material flange and a machining process

A technology of alloy materials and processing technology, applied in the field of alloy material flanges and processing technology, can solve problems such as safety hazards, hardening cracks, inclusions, etc., to increase safety and service life, increase strength and toughness, and improve corrosion resistance effect of ability

Inactive Publication Date: 2017-05-10
山东瑞烨新能源装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main reason for the instability of flange quality is the poor quality of raw materials and the backwardness of related technologies. Poor quality of raw materials can also cause large or uneven grains, hardening cracks, and cannot withstand higher shear and tensile forces. , Improper processing technology will also cause uneven internal structure, and there will be harmful defects such as pores and inclusions
The use of flanges with the above-mentioned defects not only causes economic waste, but also may bring some safety hazards, such as in construction, environmental protection, fire protection, HVAC, water supply and drainage, petrochemical, metallurgy, and papermaking industries. If There are cracks or no corrosion resistance, which will cause running, popping, dripping, and leaking, which will cause major safety accidents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The chemical composition (mass percentage) of a kind of alloy material flange provided in this embodiment: carbon: 0.18%, silicon: 1.4%, manganese: 0.5%, phosphorus: 0.01%, sulfur: 0.001%, nickel: 0.03%, copper : 1.1%, titanium: 0.12%, molybdenum: 0.65%, boron: 0.31%, aluminum: 5.7%, chromium 0.27%, vanadium; 23%, the balance is iron and unavoidable impurities.

[0022] The processing technology of the alloy material flange in the present embodiment is as follows:

[0023] (1) Smelting: Put the raw materials into the smelting equipment according to the proportion of chemical composition, let it stand for 10 minutes when the temperature of the smelting equipment is raised to 500°C, then stand for 30 minutes when the temperature is raised to 800°C, and finally raise the temperature to 1400°C ℃ means after standing still for 1 hour, it comes out of the furnace and starts forging;

[0024] (2) Forging: the alloy blank is forged by die-casting, the initial forging temperatu...

Embodiment 2

[0031] The chemical composition (mass percentage) of a kind of alloy material flange provided in this embodiment: carbon: 0.23%, silicon: 1.7%, manganese: 0.85%, phosphorus: 0.04%, sulfur: 0.0025%, nickel: 0.07%, copper : 1.6%, titanium: 0.17%, molybdenum: 0.8%, boron: 0.35%, aluminum: 6.0%, chromium 0.28%, vanadium: 27%, and the balance is iron and unavoidable impurities.

[0032] The processing technology of the alloy material flange in the present embodiment is as follows:

[0033] (1) Smelting: Put the raw materials into the smelting equipment according to the proportion of chemical composition, let it stand for 13 minutes when the smelting equipment is heated up to 500°C, then stand still for 30 minutes when the temperature is raised to 800°C, and finally raise the temperature to 1400°C ℃ means after standing still for 1 hour, it comes out of the furnace and starts forging;

[0034] (2) Forging: the alloy blank is forged by die-casting, the initial forging temperature is...

Embodiment 3

[0041] The chemical composition (mass percentage) of a kind of alloy material flange provided in this embodiment: carbon: 0.27%, silicon: 2.0%, manganese: 1.2%, phosphorus: 0.08%, sulfur: 0.004%, nickel: 0.1%, copper : 2.0%, titanium: 0.21%, molybdenum: 0.9%, boron: 0.37%, aluminum: 6.2%, chromium: 0.3%, vanadium: 30%, and the balance is iron and unavoidable impurities.

[0042] The processing technology of the alloy material flange in the present embodiment is as follows:

[0043] (1) Smelting: Put the raw materials into the smelting equipment according to the proportion of chemical composition, let it stand for 15 minutes when the temperature of the smelting equipment is raised to 500°C, then stand for 30 minutes when the temperature is raised to 800°C, and finally raise the temperature to 1400°C ℃ means after standing still for 1 hour, it comes out of the furnace and starts forging;

[0044] (2) Forging: the alloy blank is forged by die-casting, the initial forging tempera...

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Abstract

The invention relates to the field of alloy material machining, particularly an alloy material flange and a machining process. The alloy material flange includes following chemical components (by mass): 0.18-0.27% of carbon, 1.4-2.0% of silicon, 0.5-1.2% of manganese, 0.01-0.08% of phosphor, 0.001-0.004% of sulfur, 0.03-0.1% of nickel, 1.1-2.0% of copper, 0.12-0.21% of titanium, 0.65-0.9% of molybdenum, 0.31-0.37% of boron, 5.7-6.2% of aluminium, 0.27-0.3% of chromium, and 23-30% of vanadium, with the balance being iron and unavoidable impurities. The process includes steps of smelting, forging, heat treatment, blank examination, lathe machining, boring and product examination.

Description

technical field [0001] The invention relates to the field of alloy material processing, in particular to an alloy material flange and a processing technology. Background technique [0002] The quality of the flange is not stable enough, such as running, popping, dripping, and leaking phenomena often appear in the flange. The main reason for the instability of flange quality is the poor quality of raw materials and the backwardness of related technologies. Poor quality of raw materials can also cause large or uneven grains, hardening cracks, and cannot withstand higher shear and tensile forces. , Improper processing technology will also cause uneven internal structure, and there will be harmful defects such as pores and inclusions. The use of flanges with the above-mentioned defects not only causes economic waste, but also may bring some safety hazards, such as in construction, environmental protection, fire protection, HVAC, water supply and drainage, petrochemical, metallu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/54C21D8/00B23P15/00
Inventor 李德彬李雪莲
Owner 山东瑞烨新能源装备有限公司
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