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High-strength spring wire of high-elastic modulus and preparation method thereof

A technology of elastic modulus and spring wire, applied in the field of high-strength spring wire technology, can solve the problems of long-term storage, large spring elastic force dispersion, etc., and achieve the effects of convenient production and development, high production efficiency and simple preparation process

Active Publication Date: 2018-06-22
BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-strength spring wire with a high elastic modulus and its preparation method, which solves the problem that the spring has a large difference in elastic force and cannot be stored for a long time at room temperature

Method used

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  • High-strength spring wire of high-elastic modulus and preparation method thereof
  • High-strength spring wire of high-elastic modulus and preparation method thereof
  • High-strength spring wire of high-elastic modulus and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A high-strength spring wire with high elastic modulus. Calculated by mass percentage, the chemical composition of the alloy wire is: C: 0.05%, Cr: 17.0%, Ni: 8.0%, Co: 6.0%, Mo: 3.0%, W : 3.5%, Nb: 2.0%, Al: 0.5%, Ti: 0.5%, Si: 0.3%, Mn: 0.3%, P: 0.01%, S: 0.01%, B: 0.005%, Ce: 0.05%, Zr : 0.01%, the balance is iron.

[0028] Mix pure iron, metal chromium and metal nickel into the bottom of the crucible, and metal molybdenum, metal niobium and metal tungsten are scattered in the upper part of the crucible. After mixing according to the proportion, vacuum induction and vacuum consumable smelting are carried out, followed by forging, and hot rolling to Φ6mm wire rod. In the cold drawing process, the deformation of the wire is controlled at 50% in the billet opening stage, 30% in the intermediate billet stage, and 40% in the finished product. The wire material needs to undergo intermediate continuous annealing before billet opening and cold drawing of the intermediate bi...

Embodiment 2

[0035] A high-strength spring wire with high elastic modulus. Calculated by mass percentage, the chemical composition of the alloy wire is: C: 0.03%, Cr: 12.0%, Ni: 5.0%, Co: 3.0%, Mo: 2.0%, W : 1.5%, Nb: 1.0%, Al: 0.3%, Ti: 0.3%, Si: 0.2%, Mn: 0.2%, P: 0.005%, S: 0.005%, B: 0.00: 3%, Ce: 0.02% , Zr: 0.008%, the balance is iron.

[0036]Mix pure iron, metal chromium and metal nickel into the bottom of the crucible, and metal molybdenum, metal niobium and metal tungsten are scattered in the upper part of the crucible. After mixing according to the proportion, vacuum induction and vacuum consumable smelting are carried out, followed by forging, and hot rolling to Φ15mm wire rod. In the cold drawing process, the deformation of the wire is controlled at 65% in the billet opening stage, 50% in the intermediate billet stage, and 100% in the finished product. The wire needs to be subjected to intermediate continuous annealing before billet opening and intermediate billet cold drawi...

Embodiment 3

[0038] A high-strength spring wire with high elastic modulus, calculated by mass percentage, the chemical composition of the alloy wire is: C: 0.01%, Cr: 15.2%, Ni: 7.2%, Co: 4.8%, Mo: 2.8%, W : 2.9%, Nb: 1.5%, Al: 0.4%, Ti: 0.4%, Si: 0.1%, Mn: 0.1%, P: 0.001%, S: 0.001%, B: 0.002%, Ce: 0.02%, Zr : 0.005%, the balance is iron.

[0039] Mix pure iron, metal chromium and metal nickel into the bottom of the crucible, and metal molybdenum, metal niobium and metal tungsten are scattered in the upper part of the crucible. After mixing according to the proportion, vacuum induction and vacuum consumable smelting are carried out, followed by forging, and hot rolling to Φ10mm wire rod. In the cold drawing process, the wire deformation is controlled at 55% in the billet opening stage, 40% in the intermediate billet stage, and 80% in the finished product. The wire needs to be subjected to intermediate continuous annealing before billet opening and intermediate billet cold drawing. The c...

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Abstract

The invention discloses a high-strength spring wire of a high-elastic modulus and a preparation method thereof, and belongs to the technical field of high-strength spring wire technologies. differentproportions are carried out through raw materials relatively and easily obtained, forging and hot rolling are carried out after vacuum smelting and self-consumption smelting, finished sizes are obtained through cold-drawing by different deformations and heat treatment process, and the spring after enwinding is subjected to heat treatment to obtain spring parts with excellent performance. The high-strength spring wire of the high-elastic modulus has the advantages that the operation is simple, the cost is low, the combination property is excellent, and the high-strength spring wire of the high-elastic modulus can be used for other spring parts with strict environmental requirements; and the preparation method is simple in operation, energy saving and environmental protection are achieved, and the preparation method is suitable for industrial mass production.

Description

technical field [0001] The invention belongs to the technical field of high-strength spring wire technology, and in particular relates to a high-strength spring wire with high elastic modulus and a preparation method thereof. In particular, it relates to a high-strength spring wire with high elastic modulus and good long-term stability and a preparation method thereof. Background technique [0002] Stainless springs have the advantages of corrosion resistance and oxidation resistance. Widely used in industries with strict performance requirements such as electronic appliances, food industry, chemical industry, textile machinery, automobile manufacturing and aviation. In addition to being stainless and corrosion-resistant, the produced spring has many other advantages, such as the anti-relaxation (reduced elasticity) ability is much better than that of spring steel and alloy steel, and can even be several times higher. Because stainless spring steel has superior properties ...

Claims

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Application Information

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IPC IPC(8): C22C38/52C22C38/44C22C38/48C22C38/06C22C38/50C22C38/54C22C38/02C22C38/04C22C33/04C21D9/02
CPCC21D9/02C22C33/04C22C38/005C22C38/02C22C38/04C22C38/06C22C38/44C22C38/48C22C38/50C22C38/52C22C38/54
Inventor 高杨田建军牛永吉史世凤李振瑞张荣
Owner BEIJING BEIYE FUNCTIONAL MATERIALS CORP
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