High-temperature-resistant high-elastic nickel-chromium alloy strip and preparation method thereof

A nickel-chromium alloy and high-temperature-resistant technology, which is applied in the field of high-temperature-resistant and high-elastic nickel-chromium alloy strips and their preparation fields, can solve the problems of poor temperature resistance and cannot guarantee reliable sealing, etc., and achieves broad industrial application prospects, simple preparation process, and improved The effect of strip organization

Active Publication Date: 2017-05-17
CENT IRON & STEEL RES INST
View PDF5 Cites 25 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a high-temperature-resistant high-elastic nickel-chromium-gold strip and its preparation method to solve the pr

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-temperature-resistant high-elastic nickel-chromium alloy strip and preparation method thereof
  • High-temperature-resistant high-elastic nickel-chromium alloy strip and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example 1

[0024] The production process of high temperature resistant and elastic nickel-chromium alloy strip is: batching → vacuum induction melting → vacuum consumable smelting → homogenization → billeting → hot forging → hot rolling → solution treatment → pickling → cold rolling → finished annealing → package.

[0025] In the batching process, the weight ratio of each component of the high temperature and elastic nickel-chromium alloy strip is: C: 0.03%, B: 0.005%, Al: 1.5%, Ti: 2.0%, Cr: 19.5%, Mo: 8.5% , Co: 10.0%, the rest is Ni.

[0026] In the homogenization process, a two-stage soaking method is adopted. After the temperature is kept at 850°C for 3 hours, the temperature rise rate is 55°C / h to 1180°C and the temperature is kept for 30 hours.

[0027] In the hot forging process, the opening forging temperature is 1150°C and the final forging temperature is 1030°C.

[0028] In the hot rolling process, the heating temperature is 1160°C, the finishing temperature is 1000...

Example Embodiment

[0035] Example 2

[0036] The production process of high temperature resistant and elastic nickel-chromium alloy strip is: batching → vacuum induction melting → vacuum consumable smelting → homogenization → billeting → hot forging → hot rolling → solution treatment → pickling → cold rolling → finished annealing → package.

[0037] In the batching process, the weight ratio of each component of the high temperature and elastic nickel-chromium alloy strip is: C: 0.03%, B: 0.006%, Al: 1.6%, Ti: 2.1%, Cr: 20.5%, Mo: 8.8% , Co: 10.5%, the rest is Ni.

[0038] In the homogenization process, a two-stage soaking method is adopted. After holding at 860°C for 3, the temperature is increased to 1200°C at a heating rate of 50°C / h, and the holding time is 30h.

[0039] In the hot forging process, the opening forging temperature is 1150°C and the final forging temperature is 1030°C.

[0040] In the hot rolling process, the heating temperature is 1165°C, the finishing temperature is 1010°C, the thick...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Widthaaaaaaaaaa
Tensile strengthaaaaaaaaaa
Login to view more

Abstract

The invention relates to a high-temperature-resistant high-elastic nickel-chromium alloy strip. The alloy strip comprises, by weight, 0.02%-0.10% of C, 0.003%-0.008% of B, 1.3%-1.7% of Al, 1.9%-2.3% of Ti, 19.0%-21.0% of Cr, 8.0%-9.0% of Mo, 9.0%-11.0% of Co and the balance Ni. The invention further provides a preparation method of the high-temperature-resistant high-elastic nickel-chromium alloy strip. The production procedures of the method include material proportioning, vacuum induction melting, vacuum self-consuming smelting, homogenization, cogging, hot forging, hot rolling, solid solution treatment, acid pickling, cold rolling, finished product annealing and packaging. The preparation process is simple, operation is convenient, the cost is low, the structure homogeneity of the strip can be improved effectively, the mechanical property and using temperature of the strip can be remarkably improved, the service life of the strip can be remarkably prolonged, the defects in the prior art are overcome, and the industrial application prospects are wide.

Description

technical field [0001] The invention relates to the technical field of alloy materials, in particular to a high-temperature-resistant high-elastic nickel-chromium alloy strip and a preparation method thereof. Background technique [0002] Metal bellows have elastic characteristics, pressure resistance, sealing, corrosion resistance, temperature resistance and other properties, and have become the core components commonly used in industrial fields such as ships, automobiles, electric power, petrochemicals, machinery, and instruments. Bellows usually bear complex external forces and high stress during service, and the working temperature is high, and the working medium is highly corrosive. Therefore, the material used to make bellows must have certain temperature resistance, high tensile strength and plasticity, and stable elastic properties. [0003] Bellows are generally welded from extremely thin materials. When the operating temperature is lower than 450°C and the medium...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C22C19/05C22F1/10
CPCC22C19/055C22C19/056C22F1/10
Inventor 石照夏颜晓峰段春华赵明汉陈霞
Owner CENT IRON & STEEL RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products