CN109988951A - A kind of tubing alloy and its manufacturing process - Google Patents
A kind of tubing alloy and its manufacturing process Download PDFInfo
- Publication number
- CN109988951A CN109988951A CN201910314495.8A CN201910314495A CN109988951A CN 109988951 A CN109988951 A CN 109988951A CN 201910314495 A CN201910314495 A CN 201910314495A CN 109988951 A CN109988951 A CN 109988951A
- Authority
- CN
- China
- Prior art keywords
- tubing
- alloy
- processing
- homogenizing
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
Landscapes
- 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)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention provides a kind of tubing alloy and its manufacturing process, wherein weight percentage of each component in alloy: Si:0.072-0.074%, Fe:0.285-0.315%, Cu:1.224-1.266%, Mn:0.065-0.067%, Mg:2.005-2.007%, Cr:0.236-0.243%, Zn:4.629-4.653%, Ti:0.022-0.027%, bending angle big using the tubing tensile strength height, elongation percentage that this proportion is raw material manufacture, minimum bending angle is 67 °, and application range is wider.
Description
Technical field
The present invention relates to a kind of tubing alloys, and it is that raw material manufactures tubing with alloy that the invention further relates to a kind of using tubing
Technique.
Background technique
A kind of 6082 aluminum alloy thick wall tubing production is disclosed in the Chinese patent application No. is 201810823765.3
Technique, disclosed aluminium alloy stock weight percentage of each component: Si:1.19-1.24%, Mg:0.94-0.99%, Cu:0 .2-0
.4%, Mn:0 .84-0 .89 %, Cr:0 .13-0 .18%, Ti:0.11-0.18%, Fe:0.19-0.24%, Zn :≤0.05%.
Belong to 6 series alloys mainly using silicon and magnesium as major alloy, total component ratio is lower, this alloy elongation (being greater than 10%)
It is better.
7 series alloys are mainly using zinc as major alloy, and component ratio reaches 6%, domestic existing 7075 aluminium-alloy pipe
Material belongs to 7 series alloys, and due to high containing other metal ratios, tensile strength is low, elongation percentage is small, and inflexibility limits it
Industrial application, such as generally it is not useful as the material etc. of vehicle frame.
Summary of the invention
It is of the invention to be to provide a kind of tubing alloy and be technique that raw material manufactures tubing with alloy using tubing, make it
Tubing tensile strength obtained is high, elongation percentage is big, and for bending angle less than 67 °, application range is wider.
In order to achieve the above objectives, the present invention provides a kind of tubing alloy, by weight percentage, by following percentage composition
Raw material preparation: Si:0.072-0.074%, Fe:0.285-0.315%, Cu:1.224-1.266%, Mn:0.065-0.067%,
Mg:2.005-2.007%, Cr:0.236-0.243%, Zn:4.629-4.653%, Ti:0.022-0.027%, impurity is total to be less than
0.05%, surplus Al.
Purpose according to the present invention, additionally providing a kind of using tubing is technique that raw material manufactures tubing with alloy, including
Following steps:
(1) ingredient: it is by above-mentioned parts by weight that each raw material weighing is good, make its mixing；
(2) melting: being put into smelting furnace for the mixture prepared and carry out melting, smelting time: 2-3 hours, 700 DEG C of smelting temperature-
780℃；
(3) sublimate is handled: the alloy of above-mentioned melting is carried out sublimate processing；
(4) ingot casting be homogenized: cast hollow ingot by φ 135, then put homogenizing furnace into and talked about, level-one be homogenized be heated to 450 DEG C-
The homogenizing processing in 12-36 hours of 480 DEG C of range inside holdings, secondary homogenizing processing, by the material by level-one homogenizing processing at 475 DEG C
Heat preservation homogenizing processing in 2-8 hours；
(5) it squeezes, stretch: mold being selected to carry out extrusion forming, then cooperated with stretching-machine and stretch alignment alloy pipe；
(6) solution treatment: will by alignment after alloy pipe in 460 DEG C~465 DEG C temperature range inside holding 1h；
(7) it anneals: the alloy pipe of solution treatment being put into anneal and is heated to 410 DEG C -420 DEG C, the time: 2-3 hours,
Tubing is made.
In above-mentioned technique, step (3) sublimate processing, treated alloy: hydrogen content 0.15-0.20ml/
100gAl, non-metallic inclusion 0.1-0.01mm2/cm2, alkali metal content 5ppm or less.
Can be with bending certain angle using tubing made from above-mentioned alloy and technique, 120-133 ° of bending angle.
Tubing provided by the invention alloy and with alloy be technique that raw material manufactures tubing, pipe obtained using tubing
Material, by test, tubing tensile strength (Mpa) >=570Mpa, elongation percentage > 11%, tubing can bending, minimum bending angle is
67 °, expand its application range.
Detailed description of the invention
Fig. 1 is a kind of embodiment structure figure for the tubing that tubing alloy of the invention makes.
Specific embodiment
The embodiment of the present invention mainly with improve material tensile strength and elongation percentage as the main purpose, a kind of pipe is provided
Material alloy and with alloy be technique that raw material manufactures tubing using tubing.
Embodiment 1
A kind of tubing alloy is prepared by the raw material of following percentage composition by weight percentage: Si:0.072%, Fe:
0.285%, Cu:1.224%, Mn:0.067%, Mg:2.007%, Cr:0.243%, Zn:4.629%, Ti:0.027%, impurity are total
Less than 0.05%, surplus Al.
Embodiment 2
A kind of tubing alloy is prepared by the raw material of following percentage composition by weight percentage: Si:0.074%, Fe:
0.315%, Cu:1.266%, Mn:0.065%, Mg:2.005%, Cr:0.238%, Zn:4.653%, Ti:0.022%, impurity are total
Less than 0.05%, surplus Al.
Embodiment 3
A kind of tubing alloy is prepared by the raw material of following percentage composition by weight percentage: Si:0.073%, Fe:0.3%,
Cu:1.245%, Mn:0.067%, Mg:2.006%, Cr:0.236%, Zn:4.641%, Ti:0.026%, impurity is total to be less than
0.05%, surplus Al.
Purpose according to the present invention, additionally providing a kind of using tubing is technique that raw material manufactures tubing with alloy, including
Following steps:
(1) ingredient: it is good by each raw material weighing according to embodiment 1, embodiment 2,3 parts by weight of embodiment to press, and makes its mixing；
(2) melting: being put into smelting furnace for the mixture prepared and carry out melting, smelting time: 2-3 hours, 700 DEG C of smelting temperature-
780℃；
(3) sublimate is handled: the alloy of above-mentioned melting is carried out sublimate processing；
(4) ingot casting be homogenized: cast hollow ingot by φ 135, then put homogenizing furnace into and talked about, level-one be homogenized be heated to 450 DEG C-
The homogenizing processing in 12-36 hours of 480 DEG C of range inside holdings, secondary homogenizing processing, by the material by level-one homogenizing processing at 475 DEG C
Heat preservation homogenizing processing in 2-8 hours；
(5) it squeezes, stretch: mold being selected to carry out extrusion forming, then cooperated with stretching-machine and stretch alignment alloy pipe；
(6) solution treatment: will by alignment after alloy pipe in 460 DEG C~465 DEG C temperature range inside holding 1h；
(7) it anneals: the alloy pipe of solution treatment being put into anneal and is heated to 410 DEG C -420 DEG C, the time: 2-3 hours,
Tubing is made.
In above-mentioned technique, step (3) sublimate processing, treated alloy: hydrogen content 0.15-0.20ml/
100gAl, non-metallic inclusion 0.1-0.01mm2/cm2, alkali metal content 5ppm or less.
Embodiment 1, embodiment 2, tubing made from embodiment 3 are by test specific performance such as table 1:
Table 1: properties test of the tubing obtained by test
We are tested from a collection of 7075 aluminium alloy pipes have been bought on the market at present simultaneously, test result such as table 2:
Table 2: existing 7075 aluminium alloy pipe performance test on the market
We have consulted the aluminium alloy capability in existing " mechanical design handbook " (chemical industry publishing house) simultaneously, result such as table 3:
Table 3: the aluminium alloy capability in existing " mechanical design handbook " (chemical industry publishing house)
By Tables 1 and 2 and the comparison of table 3 it is found that the property due to metal determines that tensile strength is bigger, elongation percentage is lower, but
The tubing made from embodiment 1 provided by the invention, embodiment 2, embodiment 3 at present, not only tensile strength is big, but also ensure that
Its elongation percentage is constant or increases.
7075 aluminium-alloy pipes bought on the market to tubing made from embodiment 1, embodiment 2, embodiment 3 and at present simultaneously
Material carries out bending experiment: 120 ° of the 7075 aluminium alloy pipe bending bought on the market at present all cannot be guaranteed that embodiment 1 is implemented
Tubing minimum bending angle made from example 2, embodiment 3 is 67 °, can carry out low-angle bending, as shown in Figure 1.In Fig. 1, use
The production of 1 alloy formula of embodiment, aluminium alloy pipeline, minimum bending angle is 67 °, and pipe thickness 5mm can be used for wheel cover bone
Frame.
Innovation of the invention is, provides a kind of alloy formula, and using the tubing of this formula production, tension is strong
Degree >=570Mpa, elongation percentage > 11%, tubing can bending, minimum bending angle be 67 °, expand its application range.
Claims (4)
1. a kind of tubing alloy, which is characterized in that by weight percentage, prepared by the raw material of following percentage composition: Si:
0.072-0.074%, Fe:0.285-0.315%, Cu:1.224-1.266%, Mn:0.065-0.067%, Mg:2.005-2.007%,
Cr:0.236-0.243%, Zn:4.629-4.653%, Ti:0.022-0.027%, impurity is total less than 0.05%, surplus Al.
2. a kind of tubing according to claim 1 technique that alloy is that raw material manufactures tubing, which is characterized in that including with
Lower step:
Ingredient: it is by above-mentioned parts by weight that each raw material weighing is good, make its mixing；
Melting: the mixture prepared is put into smelting furnace and carries out melting, smelting time: 2-3 hours, 700 DEG C -780 of smelting temperature
℃；
Sublimate processing: the alloy of above-mentioned melting is subjected to sublimate processing；
Ingot casting homogenizing: casting hollow ingot by φ 135, then put homogenizing furnace into and talked about, and level-one homogenizing is heated to 450 DEG C -480
The homogenizing processing in 12-36 hours of DEG C range inside holding, secondary homogenizing processing will be protected by the material of level-one homogenizing processing at 475 DEG C
Warm 2-8 hours homogenizing processing；
It squeezes, stretch: mold being selected to carry out extrusion forming, then cooperated with stretching-machine and stretch alignment alloy pipe；
Solution treatment: will by alignment after alloy pipe in 460 DEG C~465 DEG C temperature range inside holding 1h；
Annealing: being put into anneal for the alloy pipe of solution treatment and be heated to 410 DEG C -420 DEG C, the time: 2-3 hours, system
Obtain tubing.
3. manufacturing the technique of tubing according to claim 2, which is characterized in that step (3) the sublimate processing, processing
Alloy afterwards: hydrogen content 0.15-0.20ml/100gAl, non-metallic inclusion 0.1-0.01mm2/cm2, alkali metal content 5ppm with
Under.
4. it is a kind of it is according to claim 1 using tubing be tubing that raw material manufactures with alloy, which is characterized in that the system
The tubing obtained can be 67 ° with bending certain angle, minimum bending angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314495.8A CN109988951A (en) | 2019-04-18 | 2019-04-18 | A kind of tubing alloy and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314495.8A CN109988951A (en) | 2019-04-18 | 2019-04-18 | A kind of tubing alloy and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109988951A true CN109988951A (en) | 2019-07-09 |
Family
ID=67134096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314495.8A Pending CN109988951A (en) | 2019-04-18 | 2019-04-18 | A kind of tubing alloy and its manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109988951A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1282263A (en) * | 1970-01-09 | 1972-07-19 | British Oxygen Co Ltd | Purification of aluminium |
| US3836405A (en) * | 1970-08-03 | 1974-09-17 | Aluminum Co Of America | Aluminum alloy product and method of making |
| CN106319308A (en) * | 2016-11-23 | 2017-01-11 | 马鞍山市新马精密铝业股份有限公司 | Manufacturing method of 7000-series aluminum alloy section for vehicular bodies |
| CN108165848A (en) * | 2016-12-07 | 2018-06-15 | 郝金芳 | A kind of manufacturing method of aviation alloyed aluminium section bar |
-
2019
- 2019-04-18 CN CN201910314495.8A patent/CN109988951A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1282263A (en) * | 1970-01-09 | 1972-07-19 | British Oxygen Co Ltd | Purification of aluminium |
| US3836405A (en) * | 1970-08-03 | 1974-09-17 | Aluminum Co Of America | Aluminum alloy product and method of making |
| CN106319308A (en) * | 2016-11-23 | 2017-01-11 | 马鞍山市新马精密铝业股份有限公司 | Manufacturing method of 7000-series aluminum alloy section for vehicular bodies |
| CN108165848A (en) * | 2016-12-07 | 2018-06-15 | 郝金芳 | A kind of manufacturing method of aviation alloyed aluminium section bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2657331A1 (en) | A high strength, heat treatable aluminum alloy | |
| CA3008021A1 (en) | 6xxx aluminum alloys, and methods of making the same | |
| EP3208361B1 (en) | Method for producing aluminum alloy member, and aluminum alloy member obtained by same | |
| CN110358949B (en) | High-thermal-conductivity radiator aluminum profile, preparation method thereof and radiator | |
| CN106103760B (en) | DR tank bodies aluminium alloy plate and its manufacturing method | |
| CN103866167A (en) | Aluminum alloy and alloy sheet thereof as well as preparation method of alloy sheet | |
| CN111218590B (en) | High-strength high-formability aluminum-magnesium-copper alloy plate and preparation method thereof | |
| CN112626386A (en) | High-strength corrosion-resistant Al-Mg-Si-Cu aluminum alloy and preparation method and application thereof | |
| JP2015040340A (en) | Molding aluminum alloy sheet and method for manufacturing the same | |
| US20210340649A1 (en) | Alloy material and process of manufacturing same | |
| CN111575559B (en) | Corrosion-resistant 6-series aluminum alloy | |
| CN112522550B (en) | Aluminum alloy with rapid aging response and preparation method and application thereof | |
| CN114134374A (en) | 6-series aluminum alloy and preparation method thereof | |
| CN113528908A (en) | Corrosion-resistant high-strength aluminum alloy and preparation method thereof | |
| CN109988951A (en) | A kind of tubing alloy and its manufacturing process | |
| CN112522552A (en) | Corrosion-resistant aluminum alloy and preparation method and application thereof | |
| CN109988947A (en) | Anti-corrosion, solderable alloy and preparation method thereof | |
| CN112410628A (en) | High-strength aluminum alloy plate for curtain wall and preparation method thereof | |
| CN108048768B (en) | Heat treatment method of extrusion casting aluminum alloy and extrusion casting aluminum alloy material | |
| JPH06340940A (en) | Aluminum alloy sheet excellent in press formability and baking hardenability and its production | |
| CN113943880A (en) | Al-Cu-Li-Mg-V-Zr-Sc-Ag alloy and preparation method thereof | |
| CN111961931A (en) | High-strength corrosion-resistant 5-series aluminum alloy and preparation method thereof | |
| JPH11350058A (en) | Aluminum alloy sheet excellent in formability and baking hardenability and its production | |
| CN109593998B (en) | 500 MPa-grade low-Cu Mg-free aluminum alloy and preparation method thereof | |
| WO2019214242A1 (en) | Aluminum alloy strip for battery and preparation method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190709 |