CN108032040A - A kind of seamless thin wall stainless steel waterpipe production technology - Google Patents
A kind of seamless thin wall stainless steel waterpipe production technology Download PDFInfo
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- CN108032040A CN108032040A CN201711281969.0A CN201711281969A CN108032040A CN 108032040 A CN108032040 A CN 108032040A CN 201711281969 A CN201711281969 A CN 201711281969A CN 108032040 A CN108032040 A CN 108032040A
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- stainless steel
- thin wall
- seamless thin
- wall stainless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention discloses a kind of seamless thin wall stainless steel waterpipe production technology, comprise the following steps：（1) make steel；（2) hot rolled circular steel；(3) strip off the skin perforation；（4) two rod cold rolling cogging；（5) three roller finish rolling finished product tubing；（6）Ultrasonic cleaning；（7) bright annealing；（8) align；（9）Surely cut；（10）Finished product cleans；（11) detect；（12）Cover modeling in surface；（13) identify；（14）Packaging and storage.By the above-mentioned means, the present invention provides a kind of seamless thin wall stainless steel waterpipe production technology, its production method is simple, surfaces externally and internally non-oxidizing bright skin.Seamless thin wall stainless steel waterpipe corrosion resistance is strong, and surfaces externally and internally roughness is low, and medium is not easy to adhere to, and is conducive to avoid tubing from itself causing water and other fluids secondary pollution, appearance to have insulation after covering modeling and avoid condensed water effect.Use cost is reduced after thin-walled property.Alternative thin-wall stainless steel welded still pipe（GB/T19228.2）Coordinate stainless steel clamp-press type pipe（GB/T19228.1）, safety and reliability.
Description
Technical field
The invention belongs to gapless stainless steel tube manufacturing technology field, concretely relates to a kind of seamless thin wall stainless steel water
Pipe production technology.
Background technology
With the continuous development of China's economy and the raising of living standards of the people, people are for domestic water by bad pipeline
The problem of pollution, is increasingly paid attention to, and there is an urgent need to a kind of cleaning, safe, durable water supply line to substitute traditional feed pipe
Road.Stainless steel tube has the advantages of well-known corrosion resistance, cleaning, safety, long lifespan.But traditional cold-drawing technology, have
Oxygen is heat-treated and the gapless stainless steel tube of acid cleaning process production is because too thick, coarse, of high cost, connection installation procedure complexity of wall etc.
Reason, fails batch and is used for domestic water supply field always；Welded stainless steel pipe starts to be used for water supply line several years ago, but welds
Technique determine that security does not have seamless run well.Seamless thin wall stainless steel waterpipe of the present invention, is that a kind of thin-walled is bright
Gapless stainless steel tube, soldering stainless steel steel pipe as defined in alternative GB/T19228.2, which is used to supply water, to be supplied, itself also can be into
One step is used to make supporting seamless cartridge connection pipe fitting（With reference to GB/T19228.1 technical specifications）, the two is with the use of solution
The cost for the water system that gapless stainless steel tube of having determined is used for and convenient installation question, than welded tube safety and reliability.It can use extensively
In water system in the building such as family, hotel, hospital, while it can be used for food, pharmacy, bioengineering, gas conveying etc.
Industrial circle.
The content of the invention
The object of the present invention is to provide a kind of seamless thin wall stainless steel waterpipe production technology, its production method is simple, production
Seamless thin wall stainless steel waterpipe surfaces externally and internally non-oxidizing bright skin, corrosion resistance is strong, and surfaces externally and internally roughness is low, and medium is not
Easily adhesion, is conducive to avoid tubing from itself causing water and other fluids secondary pollution, appearance to have insulation after covering modeling and avoid cold
Condensate effect.
In order to solve the above technical problems, the object of the present invention is achieved like this：
A kind of seamless thin wall stainless steel waterpipe production technology, comprises the following steps：
（1) make steel：S30408 stainless steels are obtained by process for making；
（2) hot rolled circular steel：A diameter of 65 millimeters of round steel is made by equipment of hot rolling；
（3) strip off the skin perforation：The pipe that outside diameter is 68 millimeters, wall thickness is 4.8 millimeters is made by flaying machine, punch in round steel；
（4) two rod cold rolling cogging：It it is first 38 millimeters by pipe cogging to outside diameter by cold-rolling mill, wall thickness is 2 millimeters, then is cold drawing to
Shape is 32 millimeters, 1.5 millimeters of wall thickness；
（5) three roller finish rolling finished product tubing：Seamless thin wall stainless steel tube is obtained by three roller finishing mills, seamless thin wall stainless steel tube
In scope 0.02-0.05, outer diameter tolerance is less than positive and negative 0.08mm for the ratio between wall thickness and outside diameter, and wall thickness tolerance is less than positive and negative 7.5%, pipe
Surfaces externally and internally roughness Ra< 0.7um；
（6) ultrasonic cleaning：The seamless thin wall stainless steel tube after three roller finish rolling is cleaned using ultrasonic cleaning apparatus, is gone
Except seamless thin wall stainless steel pipe surface greasy dirt；
（7) bright solution treatment：Solution treatment is carried out to seamless thin wall stainless steel tube using bright solid solution furnace；
（8) align：Aligned, avoided using the stainless steel tube straightener seamless thin wall stainless steel tube complete to bright solution treatment
Flexural deformation；
（9) cut surely：Length as needed cuts seamless thin wall stainless steel tube；
（10) clean：Seamless thin wall stainless steel tube is cleaned using clear water, caused dust, iron filings are cut in removing surely；
（11) detect：Different Indexs measures, such as outer diameter, wall thickness are carried out to seamless thin wall stainless steel tube using detecting instrument
Size, surface etc.；
（12) modeling is covered on surface（It is optional）；The surface of seamless thin wall stainless steel tube can cover modeling according to demand, play insulation and prevent
Condensed water formation acts on；
（13) identify：The seamless thin wall stainless steel of different size is into line label, easy to take；
（14) packaging and storage.
On the basis of such scheme and as the preferred solution of such scheme：Seamless thin wall is not after three roller finishing mills
The wall thickness of rust steel pipe is 0.8-1.5 millimeters.
On the basis of such scheme and as the preferred solution of such scheme：Gas shield is used in bright solution treatment
Bright solid solution furnace carries out solution treatment.
On the basis of such scheme and as the preferred solution of such scheme：Protective gas obtains hydrogen after being decomposed for ammonia
The mixed gas of gas and nitrogen.
On the basis of such scheme and as the preferred solution of such scheme：Seamless thin wall stainless steel tube is dissolved in light
Temperature in stove is 1,040 1080 °C, when insulation 0.5 is small to 1 it is small when.
On the basis of such scheme and as the preferred solution of such scheme：Seamless thin wall stainless steel tube after mark can
It is directly used in and makes seamless thin wall stainless steel cartridge connection pipe fitting, the two cooperation is used for drinking water pipeline system.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that：
The seamless thin wall stainless steel waterpipe production technology of the present invention, its production method is simple, the seamless thin wall stainless steel water of production
Pipe surfaces externally and internally non-oxidizing bright skin, corrosion resistance is strong, and surfaces externally and internally roughness is low, and medium is not easy to adhere to, and is conducive to avoid
Tubing in itself causes water and other fluids secondary pollution, appearance to have insulation after covering modeling and avoid condensed water effect.By three rollers
Use cost is reduced after finish rolling finished product tubing thin-walled property.Soldering stainless steel steel pipe is used for as defined in alternative GB/T19228.2
Supply water supply, itself can also be further used for making supporting seamless cartridge connection pipe fitting（It can refer to GB/T19228.1-
2011 technical specifications make）, the two makes water supply safety and reliability.
Brief description of the drawings
Fig. 1 is the seamless thin wall stainless steel waterpipe structure diagram of the present invention.
Fig. 2 is seamless thin wall stainless steel card pressure pipe part structure diagram made of the present invention.
Fig. 3 is the seamless thin wall stainless steel waterpipe and the mode of seamless thin wall stainless steel card pressure pipe clamping pressure connection of the present invention
Structure diagram.
Embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings；
This gives a kind of seamless thin wall stainless steel waterpipe production technology, comprise the following steps：
Steel-making：S30408 stainless steels are obtained by process for making；
Hot rolled circular steel：A diameter of 65 millimeters of round steel is made by equipment of hot rolling；
Strip off the skin perforation：The pipe that outside diameter is 68 millimeters, wall thickness is 4.8 millimeters is made by flaying machine, punch in round steel；
Two rod cold rolling coggings：It it is first 38 millimeters by pipe cogging to outside diameter by cold-rolling mill, wall thickness is 2 millimeters, then is cold drawing to outer
Shape is 32 millimeters, 1.5 millimeters of wall thickness；
Three roller finish rolling finished product tubing：Seamless thin wall stainless steel tube, the wall of seamless thin wall stainless steel tube is made by three roller finishing mills
The ratio between thick and outside diameter is in scope 0.02-0.05, and the wall thickness of seamless thin wall stainless steel tube is 0.8-1.5 millis after three roller finishing mills
Meter, reduce use cost after thin-walled property；
The seamless thin wall stainless steel that outside diameter is 28.6 millimeters, wall thickness is 1.00 millimeters is made in the present embodiment preferably three roller finishing mills
Pipe, outer diameter tolerance are less than positive and negative 0.08mm, and wall thickness tolerance is less than positive and negative 7.5%, pipe surfaces externally and internally roughness Ra< 0.7um；
Ultrasonic cleaning：The seamless thin wall stainless steel tube after three roller finish rolling is cleaned using ultrasonic cleaning apparatus, is removed
Seamless thin wall stainless steel pipe surface greasy dirt；
Bright solution treatment：Seamless thin wall stainless steel tube is made annealing treatment using bright solid solution furnace；Using gas shield light
Bright solid solution furnace carries out solution treatment, and gas obtains the mixed gas of hydrogen and nitrogen after being decomposed for ammonia；Seamless thin wall stainless steel
Temperature of the pipe in bright solid solution furnace be 1,040 1080 °C, insulation 0.5 it is small when to 1 it is small when；The preferable temperature of the present embodiment
1040 DEG C, when insulation 0.6 is small；
Aligning：Aligned, avoided curved using the stainless steel tube straightener seamless thin wall stainless steel tube complete to bright fixing process
Song deformation；
Surely cut：Length as needed cuts seamless thin wall stainless steel tube；
Cleaning：Seamless thin wall stainless steel tube is cleaned using clear water, caused dust, iron filings are cut in removing surely；
Detection：Different Indexs measures, such as outer diameter, wall thickness ruler are carried out to seamless thin wall stainless steel tube using detecting instrument
Very little, surface etc.；
Cover modeling in surface（It is optional）；The surface of seamless thin wall stainless steel tube can cover modeling according to demand, can have after modeling is covered on surface
Effect keeps the temperature and prevents condensed water from being formed；
Mark：The seamless thin wall stainless steel of different size is into line label, easy to take；Last packaging and storage.
The beneficial effects of the invention are as follows：Provide a kind of seamless stainless steel thin-walled water pipe production technology, the letter of its production method
Single, surfaces externally and internally non-oxidizing bright skin, the seamless thin wall stainless steel waterpipe corrosion resistance of production is strong, surfaces externally and internally roughness
Low, medium is not easy to adhere to, and is conducive to avoid tubing from itself causing water and other fluids secondary pollution, appearance to have guarantor after covering modeling
Gently avoid condensed water effect.Use cost is reduced after thin-walled property.Soldering stainless steel steel as defined in alternative GB/T19228.2
Pipe is used for the supply that supplies water, itself can also be further used for making supporting seamless cartridge connection pipe fitting（With reference to GB/
T19228.1 technical specifications）, the two makes water supply safety and reliability.Seamless thin wall stainless steel waterpipe, seamless thin wall are not
Rust steel card pressure pipe part and the mode refer to the attached drawing of card pressure connection.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, should all be covered by within protection scope of the present invention.
Claims (5)
- A kind of 1. seamless thin wall stainless steel waterpipe production technology, it is characterised in that：Comprise the following steps：（1) make steel：S30408 stainless steels are obtained by process for making；（2) hot rolled circular steel：A diameter of 65 millimeters of round steel is made by equipment of hot rolling；（3) strip off the skin perforation：The pipe that outside diameter is 68 millimeters, wall thickness is 4.8 millimeters is made by flaying machine, punch in round steel；（4) two rod cold rolling cogging：It it is first 38 millimeters by pipe cogging to outside diameter by cold-rolling mill, wall thickness is 2 millimeters, then is cold drawing to Shape is 32 millimeters, 1.5 millimeters of wall thickness；（5) three roller finish rolling finished product tubing：Seamless thin wall stainless steel tube is obtained by three roller finishing mills, seamless thin wall stainless steel tube In scope 0.02-0.05, outer diameter tolerance is less than positive and negative 0.08mm for the ratio between wall thickness and outside diameter, and wall thickness tolerance is less than positive and negative 7.5%, pipe Surfaces externally and internally roughness Ra< 0.7um；（6) ultrasonic cleaning：The seamless thin wall stainless steel tube after three roller finish rolling is cleaned using ultrasonic cleaning apparatus, is gone Except seamless thin wall stainless steel pipe surface greasy dirt；（7) bright solution treatment：Solution treatment is carried out to seamless thin wall stainless steel tube using bright solid solution furnace；（8) align：Aligned, avoided using the stainless steel tube straightener seamless thin wall stainless steel tube complete to bright solution treatment Flexural deformation；（9) cut surely：Length as needed cuts seamless thin wall stainless steel tube；（10) clean：Seamless thin wall stainless steel tube is cleaned using clear water, caused dust, iron filings are cut in removing surely；（11) detect：Different Indexs measures, such as outer diameter, wall thickness are carried out to seamless thin wall stainless steel tube using detecting instrument Size, surface etc.；（12) modeling is covered on surface；The surface of seamless thin wall stainless steel tube can cover modeling according to demand, play insulation and prevent condensed water Formation acts on；（13) identify：The seamless thin wall stainless steel of different size is into line label, easy to take；（14) packaging and storage：Seamless thin wall stainless steel tube after mark can be directly used for making seamless thin wall stainless steel clamp-press type company Jointed tubular workpieces, the two cooperation are used for drinking water pipeline system.
- 2. seamless thin wall stainless steel waterpipe production technology according to claim 1, it is characterised in that：By three roller finishing mills The wall thickness of seamless thin wall stainless steel tube is 0.8-1.5 millimeters afterwards.
- 3. seamless thin wall stainless steel waterpipe production technology according to claim 1, it is characterised in that：In bright solution treatment Solution treatment is carried out using gas shield light solid solution furnace.
- 4. seamless thin wall stainless steel waterpipe production technology according to claim 3, it is characterised in that：Gas decomposes for ammonia The mixed gas of hydrogen and nitrogen is obtained afterwards.
- 5. seamless thin wall stainless steel waterpipe production technology according to claim 3, it is characterised in that：Seamless thin wall stainless steel Temperature of the pipe in bright solid solution furnace be 1,040 1080 °C, insulation 0.5 it is small when to 1 it is small when.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281969.0A CN108032040A (en) | 2017-12-07 | 2017-12-07 | A kind of seamless thin wall stainless steel waterpipe production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281969.0A CN108032040A (en) | 2017-12-07 | 2017-12-07 | A kind of seamless thin wall stainless steel waterpipe production technology |
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| CN108032040A true CN108032040A (en) | 2018-05-15 |
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| CN201711281969.0A Pending CN108032040A (en) | 2017-12-07 | 2017-12-07 | A kind of seamless thin wall stainless steel waterpipe production technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941240A (en) * | 2018-06-27 | 2018-12-07 | 浙江久立特材科技股份有限公司 | A kind of manufacturing method of sanitation-grade stainless steel cleaning pipe |
| CN110665992A (en) * | 2019-10-31 | 2020-01-10 | 西北有色金属研究院 | Rolling processing method of small-specification high-strength cobalt-based alloy pipe |
| CN114602996A (en) * | 2022-03-25 | 2022-06-10 | 宝银特种钢管有限公司 | Manufacturing method of ultrathin seamless tube for high-end equipment system |
| CN114798801A (en) * | 2021-08-25 | 2022-07-29 | 常熟市异型钢管有限公司 | Automatic production method of high-precision oxygen-free steel pipe |
| CN115254968A (en) * | 2022-07-14 | 2022-11-01 | 上海高泰精密管材股份有限公司 | Manufacturing process of 316L seamless stainless steel tube |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941240A (en) * | 2018-06-27 | 2018-12-07 | 浙江久立特材科技股份有限公司 | A kind of manufacturing method of sanitation-grade stainless steel cleaning pipe |
| CN110665992A (en) * | 2019-10-31 | 2020-01-10 | 西北有色金属研究院 | Rolling processing method of small-specification high-strength cobalt-based alloy pipe |
| CN114798801A (en) * | 2021-08-25 | 2022-07-29 | 常熟市异型钢管有限公司 | Automatic production method of high-precision oxygen-free steel pipe |
| CN114602996A (en) * | 2022-03-25 | 2022-06-10 | 宝银特种钢管有限公司 | Manufacturing method of ultrathin seamless tube for high-end equipment system |
| CN114602996B (en) * | 2022-03-25 | 2023-01-24 | 宝银特种钢管有限公司 | Manufacturing method of ultrathin seamless tube for high-end equipment system |
| WO2023178894A1 (en) * | 2022-03-25 | 2023-09-28 | 宝银特种钢管有限公司 | Manufacturing method of ultra-thin seamless tube for high-end equipment system |
| CN115254968A (en) * | 2022-07-14 | 2022-11-01 | 上海高泰精密管材股份有限公司 | Manufacturing process of 316L seamless stainless steel tube |
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Application publication date: 20180515 |
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