CN107377664A - A kind of processing technology of pipe with small pipe diameter thin-wall steel tube - Google Patents
A kind of processing technology of pipe with small pipe diameter thin-wall steel tube Download PDFInfo
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- CN107377664A CN107377664A CN201710615603.6A CN201710615603A CN107377664A CN 107377664 A CN107377664 A CN 107377664A CN 201710615603 A CN201710615603 A CN 201710615603A CN 107377664 A CN107377664 A CN 107377664A
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- Prior art keywords
- blank
- pipe
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- pickling
- tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of processing technology of pipe with small pipe diameter thin-wall steel tube, comprise the following steps：Blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；Pickling：Blank pickling is carried out in pickling tube, is specially：The 25min of dipping bath 18 in pickle is placed on, is washed, then the 25min of dipping bath 10 in phosphating solution, temperature controlled 60 DEG C~68 DEG C, washing；Cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；Heat treatment：The blank that cold-drawn stretches is fitted into annealing furnace, opens vavuum pump, pressure closes vavuum pump when being down to 0.02MPa or so, is filled with protective gas, pressurize in stove, at a temperature of being warming up to 720 780 DEG C, is incubated 5 12min, then with the cooling of 150 DEG C/h speed；After steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduce steel pipe ovality；Aligning；Packed after aligning.Present invention process is simple, and the tube quality processed is good, wear-resisting, decay resistance.
Description
Technical field
The present invention relates to stainless steel tube manufacture field, specifically a kind of processing technology of pipe with small pipe diameter thin-wall steel tube.
Background technology
Thin-wall steel tube is a kind of with hollow section, the non-jointed circle in periphery, square, rectangle steel.Thin-wall steel tube
It is that hollow billet is made with steel ingot or solid pipe billet perforated, then hot rolled, cold rolling or cold group are made.It is widely used in manufacture structural member
And machine components, the steel scaffold in such as oil drill rocker, truck drive shaft, bicycle rack and construction, with steel
The continuous development of material industry, the thin-wall steel tube of Steel Tube Industry receive many attention, and increasing enterprise applies to thin-walled
Steel pipe, thin-wall steel tube industry receive the favor of many people.
At present, the processing technology of conventional thin-wall steel tube is relatively rough, only the stainless steel tube letter purchased on request
It is single be processed into required for specification thin-wall steel tube, manufacturing process is not smart, and production technology content is not high, especially heat-treatment furnace from
Right condition and the Technology for Heating Processing also inadequate accurate mechanical property of control material, product quality is bad, and it is inadequate to bear pressure, mechanics
Performance does not reach requirement of the high-accuracy machinery to pipeline.
The content of the invention
The invention provides a kind of processing technology of pipe with small pipe diameter thin-wall steel tube, to solve above-mentioned technical problem.
A kind of processing technology of pipe with small pipe diameter thin-wall steel tube, comprises the following steps：
(1) blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；
(2) pickling：Blank pickling is carried out in pickling tube, is specially：It is placed on dipping bath 18-25min in pickle, water
Wash, then the dipping bath 10-25min in phosphating solution, temperature controlled 60 DEG C~68 DEG C, washing；
(3) cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；
(4) it is heat-treated：The blank that cold-drawn stretches is fitted into annealing furnace, opens vavuum pump, pressure is down to -0.02MPa a left sides
Vavuum pump is closed when right, is filled with protective gas, pressurize in stove, at a temperature of being warming up to 720-780 DEG C, is incubated 5-12min, then with
150 DEG C/h speed cools down；
(5) after steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduced
Steel pipe ovality；
(6) align；
(7) packed after aligning.
Further, the composition of pickle is according to percentage by weight in the step (2)：Sulfuric acid 4-5%, potassium permanganate
0.8%.
Preferably, the protective gas in the step (4) is argon gas.
Beneficial effects of the present invention：
The processing technology of pipe with small pipe diameter thin-wall steel tube provided by the invention, its technique is simple, is easy to practical operation, is processed
Tube quality is good, wear-resisting, decay resistance.
Embodiment
Embodiments of the invention are described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Below by way of specific embodiment, the present invention will be described in detail.
The technical scheme that the present invention is embodied is：
Embodiment 1
(1) blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；
(2) pickling：Blank pickling is carried out in pickling tube, is specially：Dipping bath 18min in pickle is placed on, is washed,
The dipping bath 10min in phosphating solution again, temperature controlled 60 DEG C, washing；Wherein, the composition of pickle is according to percentage by weight：
Sulfuric acid 4%, potassium permanganate 0.8%；
(3) cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；
(4) it is heat-treated：The blank that cold-drawn stretches is fitted into annealing furnace, opens vavuum pump, pressure is down to -0.02MPa a left sides
Vavuum pump is closed when right, is filled with argon gas, pressurize in stove, at a temperature of being warming up to 720 DEG C, is incubated 5min, then with 150 DEG C/h speed
Cooling；
(5) after steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduced
Steel pipe ovality；
(6) align；
(7) packed after aligning.
Embodiment 2
(1) blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；
(2) pickling：Blank pickling is carried out in pickling tube, is specially：Dipping bath 22min in pickle is placed on, is washed,
The dipping bath 18min in phosphating solution again, temperature controlled 64 DEG C, washing；Wherein, the composition of pickle is according to percentage by weight：
Sulfuric acid 4.5%, potassium permanganate 0.8%
(3) cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；
(4) it is heat-treated：The blank that cold-drawn stretches is fitted into annealing furnace, opens vavuum pump, pressure is down to -0.02MPa a left sides
Vavuum pump is closed when right, is filled with argon gas, pressurize in stove, at a temperature of being warming up to 750 DEG C, is incubated 8min, then with 150 DEG C/h speed
Cooling；
(5) after steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduced
Steel pipe ovality；
(6) align；
(7) packed after aligning.
Embodiment 3
(1) blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；
(2) pickling：Blank pickling is carried out in pickling tube, is specially：Dipping bath 25min in pickle is placed on, is washed,
The dipping bath 25min in phosphating solution again, temperature controlled 68 DEG C, washing；Wherein, the composition of pickle is according to percentage by weight：
Sulfuric acid 5%, potassium permanganate 0.8%
(3) cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；
(4) it is heat-treated：The blank that cold-drawn stretches is fitted into annealing furnace, opens vavuum pump, pressure is down to -0.02MPa a left sides
Vavuum pump is closed when right, is filled with argon gas, pressurize in stove, at a temperature of 780 DEG C of heating, is incubated 12min, then with 150 DEG C/h speed
Cooling；
(5) after steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduced
Steel pipe ovality；
(6) align；
(7) packed after aligning.
The embodiments of the present invention described above are not intended to limit the scope of the present invention, any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (3)
1. a kind of processing technology of pipe with small pipe diameter thin-wall steel tube, it is characterised in that comprise the following steps：
(1) blank is molded：Blanking parameter is determined according to required specification, is blank after sawing blanking with band；
(2) pickling：Blank pickling is carried out in pickling tube, is specially：Dipping bath 18-25min in pickle is placed on, is washed,
The dipping bath 10-25min in phosphating solution again, temperature controlled 60 DEG C~68 DEG C, washing；
(3) cold-drawn stretches：By the blank after processing, dress, which is stretched to, at normal temperatures meets design requirement；
(4) it is heat-treated：The blank that cold-drawn stretches is fitted into annealing furnace, vavuum pump is opened, when pressure is down to -0.02MPa or so
Vavuum pump is closed, is filled with protective gas, pressurize in stove, at a temperature of being warming up to 720-780 DEG C, is incubated 5-12min, then with 150
DEG C/cooling of h speed；
(5) after steel pipe is cooled down, steel pipe is aligned, caused tube bending during elimination is cold and hot, and reduces steel pipe
Ovality；
(6) align；
(7) packed after aligning.
2. the processing technology of pipe with small pipe diameter thin-wall steel tube according to claim 1, it is characterised in that sour in the step (2)
The composition of washing lotion is according to percentage by weight：Sulfuric acid 4-5%, potassium permanganate 0.8%.
3. the processing technology of pipe with small pipe diameter thin-wall steel tube according to claim 1, it is characterised in that in the step (4)
Protective gas is argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615603.6A CN107377664A (en) | 2017-07-26 | 2017-07-26 | A kind of processing technology of pipe with small pipe diameter thin-wall steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615603.6A CN107377664A (en) | 2017-07-26 | 2017-07-26 | A kind of processing technology of pipe with small pipe diameter thin-wall steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107377664A true CN107377664A (en) | 2017-11-24 |
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ID=60341052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710615603.6A Pending CN107377664A (en) | 2017-07-26 | 2017-07-26 | A kind of processing technology of pipe with small pipe diameter thin-wall steel tube |
Country Status (1)
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| CN (1) | CN107377664A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517653A (en) * | 2020-11-16 | 2021-03-19 | 四川阳光坚端铝业有限公司 | Aluminum alloy thin-walled tube extrusion process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6037217A (en) * | 1983-08-08 | 1985-02-26 | Sumitomo Metal Ind Ltd | Method and equipment for continuously manufacturing electric welded steel pipe |
| CN102699104A (en) * | 2012-06-11 | 2012-10-03 | 常熟市旋力轴承钢管有限公司 | Preparation method of G20CrNiMo bearing steel pipe |
| CN104174687A (en) * | 2014-07-21 | 2014-12-03 | 苏州贝思特金属制品有限公司 | Production method of 15CrMo thick-wall seamless steel pipe |
| CN104338779A (en) * | 2013-07-31 | 2015-02-11 | 无锡大金高精度冷拔钢管有限公司 | A method for manufacturing a high-precision cold-drawn steel pipe |
| CN104338781A (en) * | 2013-07-31 | 2015-02-11 | 无锡大金高精度冷拔钢管有限公司 | Method for manufacturing high-hardness cold-drawn steel tube |
| CN105710610A (en) * | 2016-03-31 | 2016-06-29 | 德清天润金属制品有限公司 | Seamless steel pipe machining technology |
| CN106623482A (en) * | 2015-10-30 | 2017-05-10 | 陈林育 | Production process of stainless steel pipe |
-
2017
- 2017-07-26 CN CN201710615603.6A patent/CN107377664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6037217A (en) * | 1983-08-08 | 1985-02-26 | Sumitomo Metal Ind Ltd | Method and equipment for continuously manufacturing electric welded steel pipe |
| CN102699104A (en) * | 2012-06-11 | 2012-10-03 | 常熟市旋力轴承钢管有限公司 | Preparation method of G20CrNiMo bearing steel pipe |
| CN104338779A (en) * | 2013-07-31 | 2015-02-11 | 无锡大金高精度冷拔钢管有限公司 | A method for manufacturing a high-precision cold-drawn steel pipe |
| CN104338781A (en) * | 2013-07-31 | 2015-02-11 | 无锡大金高精度冷拔钢管有限公司 | Method for manufacturing high-hardness cold-drawn steel tube |
| CN104174687A (en) * | 2014-07-21 | 2014-12-03 | 苏州贝思特金属制品有限公司 | Production method of 15CrMo thick-wall seamless steel pipe |
| CN106623482A (en) * | 2015-10-30 | 2017-05-10 | 陈林育 | Production process of stainless steel pipe |
| CN105710610A (en) * | 2016-03-31 | 2016-06-29 | 德清天润金属制品有限公司 | Seamless steel pipe machining technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517653A (en) * | 2020-11-16 | 2021-03-19 | 四川阳光坚端铝业有限公司 | Aluminum alloy thin-walled tube extrusion process |
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Application publication date: 20171124 |