CN106756406A - A kind of new calomic - Google Patents
A kind of new calomic Download PDFInfo
- Publication number
- CN106756406A CN106756406A CN201611112576.2A CN201611112576A CN106756406A CN 106756406 A CN106756406 A CN 106756406A CN 201611112576 A CN201611112576 A CN 201611112576A CN 106756406 A CN106756406 A CN 106756406A
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- raw material
- calomic
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of new calomic, it is made up of the raw material of following weight/mass percentage composition:Si:0.7 1.6%, Mn:0.3 0.6%, Cr:20 23%, Ni:41 43%, balance of iron and inevitably trace element.The alloy using the ferro element of low price low-density due to substituting the highdensity nickel element of high price, new calomic has density small than original Cr20Ni80 alloys, price is low, and the main performance index such as plastic working, weldability, mechanical behavior under high temperature and service life keep constant, complete alternative Cr20Ni80 alloys.
Description
Technical field
The present invention relates to electrothermal alloy technical field, specially a kind of new calomic.
Background technology
Electrothermal alloy refers to the electric resistance alloy that heater is manufactured using the resistance characteristic of material, is for manufacturing heating
Alloy material.When electric current passes through alloying element, Joule effect is produced, convert electric energy into heat energy.Electrothermal alloy product one
As be made thin silk material (heating wire), round wires material, sheet metal band (resistive band), tubing and casting are may be made as under particular/special requirement,
It is widely used in national economy and the various aspects of daily life.
It is to represent nickel chromium triangle electrothermal alloy because good plastic deformation ability, weldability and high temperature are strong with Cr20Ni80 alloys
Degree is widely used in 1100 DEG C or so of high-temperature heating component.
Nickel alloy company of Jinchuan Group Co., Ltd. is domestic main Cr20Ni80 alloy production units, but due to
Its nickel content application field for causing expensive, product high is restricted.To ensure company's electrothermal alloy occupation rate of market,
The present invention substitutes part nickel element and develops a kind of new calomic by ferro element.
The content of the invention
It is an object of the invention to provide a kind of new calomic, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme:A kind of new calomic, by following
The raw material of weight/mass percentage composition is made:Si:0.7-1.6%, Mn:0.3-0.6%, Cr:20-23%, Ni:41-43%, it is balance of
Iron and inevitably trace element.
Preferably, the inevitable micro- weight percentage is 0.05%-0.1%.
Preferably, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium are also added with raw material.
Preferably, its preparation method is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1520 DEG C -1560 DEG C, refining time is 20min-30min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1080 DEG C -1100 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
Compared with prior art, the beneficial effects of the invention are as follows:Calomic prepared by the present invention is due to using
The ferro element of low price low-density substitutes the highdensity nickel element of high price, and new calomic is closed than original Cr20Ni80
Gold utensil has density small, and price is low, and the main performance such as plastic working, weldability, mechanical behavior under high temperature and service life refers to
Mark keeps constant, complete alternative Cr20Ni80 alloys;In addition, cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium are also added with the present invention,
Calomic high temperature creep property and inoxidizability can be improved.
Brief description of the drawings
Fig. 1 is process chart of the invention.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Refer to Fig. 1, embodiment one:
The present invention provides a kind of technical scheme:A kind of new calomic, by following weight/mass percentage composition
Raw material is made:Si:0.7%th, Mn:0.3%th, Cr:20%th, Ni:41%, balance of iron and inevitably trace element;Can not
The micro- weight percentage for avoiding is 0.05%.
In the present embodiment, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium, energy are also added with raw material
Enough improve calomic high temperature creep property and inoxidizability.
The preparation method of the present embodiment is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1580 DEG C, refining time is 30min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1100 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
Embodiment two:
The present invention provides a kind of technical scheme:A kind of new calomic, by following weight/mass percentage composition
Raw material is made:Si:1.6%th, Mn:0.6%th, Cr:23%th, Ni:43%, balance of iron and inevitably trace element;Can not
The micro- weight percentage for avoiding is 0.06%.
In the present embodiment, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium, energy are also added with raw material
Enough improve calomic high temperature creep property and inoxidizability.
The preparation method of the present embodiment is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1520 DEG C, refining time is 20min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1080 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
Embodiment three:
The present invention provides a kind of technical scheme:A kind of new calomic, by following weight/mass percentage composition
Raw material is made:Si:0.9%th, Mn:0.4%th, Cr:21%th, Ni:42%, balance of iron and inevitably trace element;Can not
The micro- weight percentage for avoiding is 0.1%.
In the present embodiment, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium, energy are also added with raw material
Enough improve calomic high temperature creep property and inoxidizability.
The preparation method of the present embodiment is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1540 DEG C, refining time is 25min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1090 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
Example IV:
The present invention provides a kind of technical scheme:A kind of new calomic, by following weight/mass percentage composition
Raw material is made:Si:1%th, Mn:0.5%th, Cr:21%th, Ni:41%, balance of iron and inevitably trace element;Can not keep away
The micro- weight percentage exempted from is 0.07%.
In the present embodiment, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium, energy are also added with raw material
Enough improve calomic high temperature creep property and inoxidizability.
The preparation method of the present embodiment is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1550 DEG C, refining time is 25min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1090 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
Embodiment five:
The present invention provides a kind of technical scheme:A kind of new calomic, by following weight/mass percentage composition
Raw material is made:Si:1.3%th, Mn:0.5%th, Cr:22%th, Ni:42%, balance of iron and inevitably trace element;Can not
The micro- weight percentage for avoiding is 0.07%.
In the present embodiment, various rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium, energy are also added with raw material
Enough improve calomic high temperature creep property and inoxidizability.
The preparation method of the present embodiment is comprised the following steps:
A, all raw materials are ready to be added after mixing vacuum induction melting in antivacuum induction melting furnace, smelting temperature are
1530 DEG C, refining time is 25min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;It is right if qualified
Steel ingot is stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made,
If forging is qualified, reconditioning is carried out;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is closed
Lattice, then made annealing treatment, and annealing temperature is 1090 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, make
Into finished product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified,
Packaging and storage.
In addition, in the present invention, in order to solve the requirement of production microfilament and ensure service life, nonmetallic Slag inclusion A, B,
The qualified rank of C, D class Slag inclusion is no more than 2.0 grades.
Experimental example:With Fe as base, appropriate Ni is added, it is ensured that alloy system belongs to face-centered cubic crystal structure, in the hope of alloy
Plasticity is high, good manufacturability, then with Al and Cr composite alloyings, alloy is had excellent anti-oxidant and resistance to corrosion, Ke Yi
Temperature in use higher is used and with longer service life.Meanwhile, in the case where alloy face-centered cubic crystal structure is ensured, to the greatest extent may be used
Ni amounts can less be added, with reduces cost.Additionally, in order to be able to use at a higher temperature, need in right amount add W, Mo and Co etc. to strengthen unit
Element, to improve the elevated temperature strength of alloy.Sometimes, in order to further improve processing performance and meet some spies when using
It is different to require, can in right amount add the trace elements such as B, RE, Ti, Nb, Y;Alloy of the invention obtained at 20 DEG C resistivity 1.04 ±
0.05 μ Ω/m, the quick life-span reaches 1100 DEG C, more than 100 hours.
Calomic prepared by the present invention is highdensity due to substituting high price using the ferro element of low price low-density
Nickel element, new calomic has density small than original Cr20Ni80 alloys, and price is low, and plastic working
Property, the main performance index such as weldability, mechanical behavior under high temperature and service life keep constant, completely alternative Cr20Ni80 is closed
Gold;In addition, being also added with cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium in the present invention, it is possible to increase calomic high temperature creep
Energy and inoxidizability.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of new calomic, it is characterised in that:It is made up of the raw material of following weight/mass percentage composition:Si:
0.7-1.6%, Mn:0.3-0.6%, Cr:20-23%, Ni:41-43%, inevitably balance of iron and trace element.
2. a kind of new calomic according to claim 1, it is characterised in that:It is described inevitably micro
Element wt percentage composition is 0.05%-0.1%.
3. a kind of new calomic according to claim 1, it is characterised in that:Also it is added with raw material various
Rare trace elements, including cobalt, niobium, aluminium, molybdenum, rhenium, titanium, yttrium.
4. a kind of new calomic according to claim 1, it is characterised in that:Its preparation method includes following
Step:
A, all raw materials are ready to add vacuum induction melting in antivacuum induction melting furnace after mixing, smelting temperature is 1520
DEG C -1560 DEG C, refining time is 20min-30min;
B, the steel ingot to being formed after melting carry out constituent analysis, if unqualified, raw material are prepared again;If qualified, to steel ingot
Stripped off the skin, heat treatment before forging;
C, to step B be heat-treated after steel ingot forge, if forging is unqualified, again prepare raw material made, if forging
Make qualified, then carry out reconditioning;
D, the steel ingot after reconditioning is rolled, if rolling is unqualified, raw material is prepared again and is made;If rolling is qualified,
Then made annealing treatment, annealing temperature is 1080 DEG C -1100 DEG C, and annealing time is 2h;
Quick-fried alkali, pickling, the butt welding of disk unit are carried out after E, annealing;
F, drawing is carried out afterwards, if drawing is unqualified, raw material is prepared again and is made, if drawing is qualified, be fabricated into
Product;
G, finally finished product tested, disqualified upon inspection then prepares raw material and made again;If inspection is qualified, pack
Storage.
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CN106756406B CN106756406B (en) | 2019-05-17 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108220859A (en) * | 2017-12-11 | 2018-06-29 | 佛山先进表面技术有限公司 | A kind of electro-thermal coatings and preparation method thereof |
CN108901088A (en) * | 2018-07-18 | 2018-11-27 | 丹阳市亚力电热合金有限公司 | A kind of nickel-chromium high-resistance electrothermal alloy silk |
CN109023008A (en) * | 2018-10-09 | 2018-12-18 | 盐城市星凯环保科技股份有限公司 | A kind of formula and its preparation process of electrothermal alloy resistant to high temperature |
CN109743794A (en) * | 2019-01-17 | 2019-05-10 | 北京智米科技有限公司 | Heating element and its manufacturing method and electric appliance |
CN111500897A (en) * | 2020-06-02 | 2020-08-07 | 常熟市梅李合金材料有限公司 | High-strength oxidation-resistant corrosion-resistant nickel-chromium electrothermal alloy and processing method thereof |
CN112522545A (en) * | 2020-11-27 | 2021-03-19 | 成都先进金属材料产业技术研究院有限公司 | Nickel-chromium high-resistance electrothermal alloy |
CN116005038A (en) * | 2022-12-08 | 2023-04-25 | 北京首钢吉泰安新材料有限公司 | Nickel-chromium-iron alloy and preparation method thereof |
CN116005038B (en) * | 2022-12-08 | 2024-08-02 | 北京首钢吉泰安新材料有限公司 | Nickel-chromium-iron alloy and preparation method thereof |
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JPH04350149A (en) * | 1991-03-13 | 1992-12-04 | Sumitomo Metal Ind Ltd | High alloy steel for trash incineration waste heat boiler tube |
CN101565808A (en) * | 2008-04-23 | 2009-10-28 | 中国石油大学(北京) | Method for processing high-temperature alloy furnace tube |
CN101565807A (en) * | 2008-04-23 | 2009-10-28 | 中国石油大学(北京) | Method for processing high-temperature alloy furnace tube |
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JPH04350149A (en) * | 1991-03-13 | 1992-12-04 | Sumitomo Metal Ind Ltd | High alloy steel for trash incineration waste heat boiler tube |
CN101565808A (en) * | 2008-04-23 | 2009-10-28 | 中国石油大学(北京) | Method for processing high-temperature alloy furnace tube |
CN101565807A (en) * | 2008-04-23 | 2009-10-28 | 中国石油大学(北京) | Method for processing high-temperature alloy furnace tube |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108220859A (en) * | 2017-12-11 | 2018-06-29 | 佛山先进表面技术有限公司 | A kind of electro-thermal coatings and preparation method thereof |
CN108901088A (en) * | 2018-07-18 | 2018-11-27 | 丹阳市亚力电热合金有限公司 | A kind of nickel-chromium high-resistance electrothermal alloy silk |
CN109023008A (en) * | 2018-10-09 | 2018-12-18 | 盐城市星凯环保科技股份有限公司 | A kind of formula and its preparation process of electrothermal alloy resistant to high temperature |
CN109743794A (en) * | 2019-01-17 | 2019-05-10 | 北京智米科技有限公司 | Heating element and its manufacturing method and electric appliance |
CN111500897A (en) * | 2020-06-02 | 2020-08-07 | 常熟市梅李合金材料有限公司 | High-strength oxidation-resistant corrosion-resistant nickel-chromium electrothermal alloy and processing method thereof |
CN112522545A (en) * | 2020-11-27 | 2021-03-19 | 成都先进金属材料产业技术研究院有限公司 | Nickel-chromium high-resistance electrothermal alloy |
CN116005038A (en) * | 2022-12-08 | 2023-04-25 | 北京首钢吉泰安新材料有限公司 | Nickel-chromium-iron alloy and preparation method thereof |
CN116005038B (en) * | 2022-12-08 | 2024-08-02 | 北京首钢吉泰安新材料有限公司 | Nickel-chromium-iron alloy and preparation method thereof |
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