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A high-strength heat-resistant alloy steel

An alloy steel, high-strength technology, applied in the field of alloy steel, to achieve the effect of reducing the degree of thermal deformation, excellent heat resistance strength and high temperature resistance hardness

Active Publication Date: 2016-08-24
CHANGZHOU WUJIN GUANGYU EMBOSSING ROLLER MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] General alloy metal materials can only work for a long time at 500 ° C ~ 600 ° C

Method used

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  • A high-strength heat-resistant alloy steel
  • A high-strength heat-resistant alloy steel

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Embodiment Construction

[0018] The smelting in the embodiment is carried out in a 25KG vacuum induction furnace, and its chemical composition is listed in Table 1. The steel ingots are all forged and opened, and after being forged into test bars and heat treated, the high temperature mechanical properties of the samples are tested respectively, and the test results are listed in Table 1. in Table 2.

[0019] Table 1 The chemical composition (wt%) of alloy steel in the embodiment of the present invention 1-5

[0020] furnace number

C

Ni

Si

Al

Cu

Mg

Ti

Mo

Nb

Ce

Fe

1

0.5

7

1.4

3.4

1.6

1.8

1.0

0.5

1.3

0.12

margin

2

0.55

10.5

1.2

2.8

2.0

2.0

0.85

0.4

1.0

0.15

margin

3

0.8

11

1.5

3.2

1.8

1.5

1.05

0.6

1.45

0.14

margin

4

0.62

6.5

1.0

3.8

1.6

2.3

1.20

0.55

1.2

0.18

margin

5

0.7

12

1.2

...

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Abstract

The invention belongs to the field of alloy steel and particularly relates to an alloy steel material which is high in hardness and small in heat deformation at high temperature. The alloy steel comprises the following chemical components: 0.30-0.85% of C, 5-12% of Ni, 1.0-1.5% of Si, 2.5-4.0% of Al, 1.5-2.0% of Cu, 1.2-2.5% of Mg, 0.8-1.2% of Ti, 0.2-0.8% of Mo, 1.0-1.5% of Nb, 0.1-0.2% of Ce and the balance of Fe. According to the alloy steel, elements added into the steel are reasonably proportioned, so that all the elements are simultaneously reinforced in an alloy matrix in a high-temperature environment, and the alloy steel is suitable for manufacturing high-temperature-resistant parts such as a hot roller and the like.

Description

technical field [0001] The invention belongs to the field of alloy steel, and particularly relates to an alloy steel material with high hardness and small thermal deformation under high temperature. Background technique [0002] In the composition of steel, in addition to iron and carbon, other alloying elements are added, which is called alloy steel, which belongs to the iron-carbon alloy formed by adding an appropriate amount of one or more alloying elements on the basis of ordinary carbon steel. According to the different elements added and appropriate processing technology, special properties such as high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance, and non-magnetic properties can be obtained. [0003] General alloy metal materials can only work for a long time at 500 ℃ ~ 600 ℃. Metals that can work at high temperatures higher than 700°C are generally called heat-resistant alloys. For alloys us...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/16
Inventor 余克
Owner CHANGZHOU WUJIN GUANGYU EMBOSSING ROLLER MACHINERY