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ZG25MnSY6 casting material and method for preparing casting

A casting and slag technology, applied in the field of ZG25MnSY6 casting materials, can solve the problems of wear resistance, insufficient fatigue resistance, fracture, easy deformation, etc., to meet safety requirements, improve strength and toughness, and reduce replacement frequency.

Active Publication Date: 2014-03-26
MCC SFRE HEAVY IND EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a ZG25MnSY6 casting material, which solves the problems that the existing castings have insufficient wear resistance and fatigue resistance during use, and are prone to deformation and fracture during use.

Method used

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  • ZG25MnSY6 casting material and method for preparing casting
  • ZG25MnSY6 casting material and method for preparing casting

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Embodiment Construction

[0028] The present invention will be described in detail below in combination with specific embodiments.

[0029] ZG25MnSY6 material of the present invention is made up of following components according to mass %:

[0030] C is 0.15%-0.2%, Si is 0.3%-0.45%, Mn is 0.8%-1.1%, S is ≤0.01%, P is ≤0.015%, Al is ≤0.06%, Cr is 0.6%-0.9%, Ni is 1%-1.2%, Mo is 0.3%-0.5%, V is 0.1%-0.15%, and the rest is Fe, totaling 100%.

[0031] Table 1, ZG25MnSY6 tissue design requirements performance indicators

[0032]

[0033] With reference to Table 1, it is the performance index required by the structure design of the ZG25MnSY6 casting material of the present invention.

[0034] The present invention uses the above-mentioned ZG25MnSY3 material to prepare castings, including electric furnace primary smelting → LF refining → pouring → heat treatment process, each component is added successively during the smelting process, and the final chemical composition mass percentage control is impleme...

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Abstract

The invention discloses a ZG25MnSY6 casting material. The ZG25MnSY6 casting material consists of the following components by mass percent: 0.15-0.2% of C, 0.3-0.45% of Si, 0.8-1.1% of Mn, less than or equal to 0.01% of S, less than or equal to 0.015% of P, less than or equal to 0.06% of Al, 0.6-0.9% of Cr, 1-1.2% of Ni, 0.3-0.5% of Mo, 0.1-0.15% of V and the balance of Fe, 100% in total. The invention also discloses a method for preparing a casting by using the ZG25MnSY6 material. According to the casting material, a certain alloying element is reduced or increased, smelting is carried out in an electric-arc furnace and refining furnace, an alterant is added in the later refining stage and heat treatment is carried out, so that the metallographic structure of the casting is good, the mechanical property of the casting is greatly improved, the strength and toughness are enhanced, and the service time of the casting is prolonged.

Description

technical field [0001] The invention belongs to the technical field of casting materials, and relates to a ZG25MnSY6 casting material, and also relates to a method for preparing castings by using the ZG25MnSY6 material. Background technique [0002] With the development of casting technology, the performance requirements of castings are getting higher and higher, which requires castings to have better materials, good metallographic structure and higher mechanical properties, so as to ensure that the castings are wear-resistant and wear-resistant during use. Fatigue resistance, to ensure that the casting will not be deformed or broken during use. Especially in coal mines for underground coal mining, the safety of castings plays a vital role in the safety of operators' lives and the continuity of equipment operation. Contents of the invention [0003] The object of the present invention is to provide a ZG25MnSY6 casting material, which solves the problems that the existing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/46C22C33/04C21D1/25
Inventor 田斌张朋涛杜佳周银宝王耀琨
Owner MCC SFRE HEAVY IND EQUIP
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