CN108300944A - A kind of vibration and noise reducing stainless steel pipe and preparation method thereof - Google Patents
A kind of vibration and noise reducing stainless steel pipe and preparation method thereof Download PDFInfo
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- CN108300944A CN108300944A CN201810330902.XA CN201810330902A CN108300944A CN 108300944 A CN108300944 A CN 108300944A CN 201810330902 A CN201810330902 A CN 201810330902A CN 108300944 A CN108300944 A CN 108300944A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
Abstract
The invention discloses a kind of vibration and noise reducing stainless steel pipes and preparation method thereof, are related to stainless steel tube manufacturing technology field, this kind of tubing includes following chemical composition：C, Si, Mn, Cr, Cu, Co, Al, Ca, Ba, Nb, Ce, Y, Ga, B, Tc, N and Fe.Preparation method be by melting to scrap steel and each alloy raw material, perforation cold rolling, heat treatment and surface treatment and etc. be made.The stainless steel pipe good combination property of the present invention has the characteristics that vibration and noise reducing function admirable, mechanical strength are high, form compact and stable property is good, case hardness high abrasion, practical reliable, has expanded service life, application scenario and the field of this kind of stainless steel pipe significantly.
Description
Technical field
The present invention relates to stainless steel tube manufacturing technology fields, and in particular to a kind of vibration and noise reducing stainless steel pipe and its preparation
Method.
Background technology
Stainless steel pipe is a kind of hollow strip circular steel, is widely used mainly in oil, chemical industry, medical treatment, food, light
The industrial transportation pipe lines such as work, machinery instrument and machine structural parts etc..Domestic existing stainless steel pipe manufacturer also still locates
In strongly improving in the performances such as its cost, preparation process and tube body itself intensity, corrosion-resistant, and develop a kind of vibration and noise reducing
Stainless steel pipe can then greatly improve its application and practicability.
Invention content
The purpose of the present invention is to provide a kind of vibration and noise reducing stainless steel pipe and preparation method thereof, this kind of stainless steel pipes
Good combination property has the characteristics that vibration and noise reducing function admirable, mechanical strength are high, form compact and stable property is good, case hardness high abrasion.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of vibration and noise reducing stainless steel pipe includes following chemical composition by weight percentage：C：0.05-0.3%,
Si：0.4-0.8%, Mn：0.5-1.5%, Cr：0.1-0.3%, Cu：0.05-0.15%, Co：0.01-0.1%, Al：0.4-
0.6%, Ca：0.02-0.16%, Ba：0.004-0.012%, Nb：0.02-0.06%, Ce：0.03-0.2%, Y：0.05-
0.3%, Ga：0.006-0.020%, B：0.05-0.15%, Tc：0.001-0.01%, N≤0.05%, surplus Fe.
Further, above-mentioned stainless steel pipe includes following chemical composition by weight percentage：C：0.16-
0.20%, Si：0.50-0.52%, Mn：0.8-1.2%, Cr：0.20-0.22%, Cu：0.08-0.10%, Co：0.02-
0.04%, Al：0.46-0.48%, Ca：0.06-0.08%, Ba：0.007-0.011%, Nb：0.034-0.038%, Ce：
0.011-0.013%, Y：0.18-0.20%, Ga：0.012-0.014%, B：0.06-0.08%, Tc：0.003-0.005%, N
≤ 0.03%, surplus Fe.
Further, above-mentioned stainless steel pipe includes following chemical composition by weight percentage：C：0.18%,
Si：0.51%, Mn：1.0%, Cr：0.21%, Cu：0.09%, Co：0.03%, Al：0.47%, Ca：0.07%, Ba：
0.009%, Nb：0.036%, Ce：0.012%, Y：0.19%, Ga：0.013%, B：0.07%, Tc：0.004%, N≤
0.03%, surplus Fe.
A kind of preparation method of above-mentioned vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and be forged into round steel；
(2) perforation cold rolling：Round steel is successively made through hot piercing equipment, cold-rolling mill to the pipe of certain specification；
(3) it is heat-treated：By heating of pipe blank to 1080-1120 DEG C, after keeping the temperature 90-100min, with the rate of temperature fall of 10 DEG C/s
By blank temperature water quenching cooling to 620-630 DEG C, it is cooled to room temperature again with the rate of temperature fall of 4 DEG C/s later；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 30-35g/L and impregnates 40-60min, taking-up water
The clear water that pressure is 1.6-1.8MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 30-40min, taking-up is 1.6-1.8MPa with hydraulic pressure
Clear water rinse, and temperature be 110-120 DEG C under the conditions of carry out skin drying；
III, coating：The outer surface of tube blank being coated on using composite coating after pickling, it is then solid under the conditions of 145-155 DEG C
Change 25-30min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：50-60 parts of methacrylic acid, methyl acrylate
15-25 parts, 10-20 parts of polybutylene terephthalate (PBT), 4-6 parts of acetate fiber, 3-5 parts of bauxite, attapulgite clay 3-5
2-3 parts of part, 2-3 parts of quartz sand, 6-8 parts of EVA lotions, 1-1.5 parts of 12 coalescents of alcohol ester, 1-2 parts of curing agent and foaming agent；
(6) it aligns, detect, storage.
Further, in step (1), the forging temperature of above-mentioned round steel is set as 1040-1060 DEG C.
Further, in step (2), above-mentioned hot piercing temperature is set as 1160-1180 DEG C.
Further, in step (4), above-mentioned mixed acid includes the salpeter solution and concentration of a concentration of 140~180g/l
For the hydrofluoric acid solution of 80~100g/l.
Further, in step (4), above-mentioned composite coating includes the following raw material counted in parts by weight：Metering system
55 parts of acid, 20 parts of methyl acrylate, 15 parts of polybutylene terephthalate (PBT), 5 parts of acetate fiber, 4 parts of bauxite, concave convex rod are glutinous
2.5 parts of 4 parts of soil, 2.5 parts of quartz sand, 7 parts of EVA lotions, 1.25 parts of 12 coalescents of alcohol ester, 1.5 parts of curing agent and foaming agent.
Preferably, above-mentioned foaming agent uses ADC foaming agents.
Preferably, above-mentioned curing agent is using any one of trimethylolpropane, m-xylene diamine or tetra-n-butyl titanate.
The present invention has following advantageous effect：
(1) stainless steel pipe preparation process of the invention is simple and convenient, by works such as melting, perforation cold rolling, heat treatments
The improvement of sequence and the optimization of parameter improve the structure and as-cast structure of stainless steel, improve the degree of supersaturation of solid solution,
And reduce coarse non-cementing crystalline phase, regulate and control size and the distribution of Grain Boundary Precipitates, enhances the compactness of stainless steel pipe
And stability, improve its intensity and toughness；
(2) stainless steel pipe of the invention makes each element in fusion process by selection and allotment to its elemental composition
In can form Various Complex alloy cpd and dispersivity High-Temperature Strengthening phase, can crystal grain thinning, inhibit the compacted of stainless structure of steel
Deformation, improves its comprehensive performance；Resistance to compression, tension with superelevation, yield strength；Case hardness high abrasion, corrosion-resistant antioxygen
Change, the impact of good toughness external force resistance, high temperature heat-resistant shock stability are excellent, and this kind of stainless steel pipe vibration and noise reducing performance is good, and practicality can
It leans on；
(3) stainless steel pipe being surface-treated through the invention can improve surface smoothness and corrosion resistance, then through multiple
Close the sprayed protection processing of coating so that stainless steel pipe surface has obtained smooth firm outer membrane, completely inhibits corrosion grain
Son enters inside stainless steel, improves the vibration and noise reducing of stainless steel pipe, anticorrosive resistance to compression, impact resistance, the wear-resisting energy such as anti-oxidant
Power has expanded service life, application scenario and the field of this kind of stainless steel pipe significantly.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
The following table 1 is chemical composition and content contained by a kind of vibration and noise reducing stainless steel pipe in hereinafter embodiment 1-5；
Table 1
Embodiment 1
A kind of preparation method of vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1040 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 26.9mm ×
2.8mm, wherein hot piercing temperature is set as 1160 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1080 DEG C, after keeping the temperature 90min, with the rate of temperature fall of 10 DEG C/s by blank temperature
Water quenching cooling is cooled to room temperature with the rate of temperature fall of 4 DEG C/s again later to 620 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 30g/L and impregnates 60min, taking-up is with hydraulic pressure
The clear water of 1.6MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 30min, the clear water that taking-up is 1.6MPa with hydraulic pressure
It rinses, and skin drying is carried out under the conditions of temperature is 110 DEG C；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the salpeter solution and a concentration of 80g/l by a concentration of 140g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 145 DEG C
30min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：50 parts of methacrylic acid, methyl acrylate 15
Part, 10 parts of polybutylene terephthalate (PBT), 4 parts of acetate fiber, 3 parts of bauxite, 3 parts of attapulgite clay, 2 parts of quartz sand, EVA
6 parts of lotion, 1 part of 12 coalescents of alcohol ester, curing agent：2 parts of 1 part of trimethylolpropane and ADC foaming agents；
(5) it aligns, detect, storage.
Embodiment 2
A kind of preparation method of vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1045 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 33.7mm ×
3.2mm, wherein hot piercing temperature is set as 1165 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1090 DEG C, after keeping the temperature 95min, with the rate of temperature fall of 10 DEG C/s by blank temperature
Water quenching cooling is cooled to room temperature with the rate of temperature fall of 4 DEG C/s again later to 625 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 32g/L and impregnates 55min, taking-up is with hydraulic pressure
The clear water of 1.6MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 35min, the clear water that taking-up is 1.6MPa with hydraulic pressure
It rinses, and skin drying is carried out under the conditions of temperature is 115 DEG C；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the salpeter solution and a concentration of 85g/l by a concentration of 150g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 150 DEG C
28min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：50 parts of methacrylic acid, methyl acrylate 15
Part, 10 parts of polybutylene terephthalate (PBT), 4 parts of acetate fiber, 3 parts of bauxite, 3 parts of attapulgite clay, 2 parts of quartz sand, EVA
6 parts of lotion, 1 part of 12 coalescents of alcohol ester, curing agent：2 parts of 1 part of m-xylene diamine and ADC foaming agents；
(5) it aligns, detect, storage.
Embodiment 3
A kind of preparation method of vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1050 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 42.4mm ×
3.5mm, wherein hot piercing temperature is set as 1170 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1100 DEG C, after keeping the temperature 95min, with the rate of temperature fall of 10 DEG C/s by blank temperature
Water quenching cooling is cooled to room temperature with the rate of temperature fall of 4 DEG C/s again later to 625 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 32g/L and impregnates 50min, taking-up is with hydraulic pressure
The clear water of 1.7MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 35min, the clear water that taking-up is 1.7MPa with hydraulic pressure
It rinses, and skin drying is carried out under the conditions of temperature is 115 DEG C；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the salpeter solution and a concentration of 90g/l by a concentration of 160g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 150 DEG C
28min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：55 parts of methacrylic acid, methyl acrylate 20
Part, 15 parts of polybutylene terephthalate (PBT), 5 parts of acetate fiber, 4 parts of bauxite, 4 parts of attapulgite clay, 2.5 parts of quartz sand,
7 parts of EVA lotions, 1.25 parts of 12 coalescents of alcohol ester, curing agent：2.5 parts of 1.5 parts of tetra-n-butyl titanate and ADC foaming agents；
(4) it aligns, detect, storage.
Embodiment 4
A kind of preparation method of vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1055 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 60.3mm ×
3.8mm, wherein hot piercing temperature is set as 1175 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1110 DEG C, after keeping the temperature 95min, with the rate of temperature fall of 10 DEG C/s by blank temperature
Water quenching cooling is cooled to room temperature with the rate of temperature fall of 4 DEG C/s again later to 625 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 32g/L and impregnates 45min, taking-up is with hydraulic pressure
The clear water of 1.7MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 35min, the clear water that taking-up is 1.7MPa with hydraulic pressure
It rinses, and skin drying is carried out under the conditions of temperature is 115 DEG C；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the salpeter solution and a concentration of 95g/l by a concentration of 170g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 150 DEG C
28min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：60 parts of methacrylic acid, methyl acrylate 25
Part, 20 parts of polybutylene terephthalate (PBT), 6 parts of acetate fiber, 5 parts of bauxite, 5 parts of attapulgite clay, 3 parts of quartz sand, EVA
8 parts of lotion, 1.5 parts of 12 coalescents of alcohol ester, curing agent：3 parts of 2 parts of tetra-n-butyl titanate and ADC foaming agents；
(5) it aligns, detect, storage.
Embodiment 5
A kind of preparation method of vibration and noise reducing stainless steel tube, follows the steps below：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1060 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 88.9mm ×
4mm, wherein hot piercing temperature is set as 1180 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1120 DEG C, after keeping the temperature 100min, with the rate of temperature fall of 10 DEG C/s by pipe temperature
Water quenching cooling is spent to 630 DEG C, is cooled to room temperature again with the rate of temperature fall of 4 DEG C/s later；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 35g/L and impregnates 40min, taking-up is with hydraulic pressure
The clear water of 1.8MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 40min, the clear water that taking-up is 1.8MPa with hydraulic pressure
It rinses, and skin drying is carried out under the conditions of temperature is 120 DEG C；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the salpeter solution and a concentration of 100g/l by a concentration of 180g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 155 DEG C
30min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：60 parts of methacrylic acid, methyl acrylate 25
Part, 20 parts of polybutylene terephthalate (PBT), 6 parts of acetate fiber, 5 parts of bauxite, 5 parts of attapulgite clay, 3 parts of quartz sand, EVA
8 parts of lotion, 1.5 parts of 12 coalescents of alcohol ester, curing agent：3 parts of 2 parts of trimethylolpropane and ADC foaming agents；
(5) it aligns, detect, storage.
Comparative example 6
A kind of preparation method of stainless steel tube, contained chemical composition and content are same as Example 3, but preparation method
It is as follows：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waits for that alloy all melts
After refined, mold, and temperature be 1020 DEG C under the conditions of be forged into round steel；
(2) perforation cold rolling：By round steel successively through hot piercing equipment, cold-rolling mill be made tube blank size specification be φ 42.4mm ×
3.5mm, wherein hot piercing temperature is set as 1080 DEG C；
(3) it is heat-treated：By heating of pipe blank to 1040 DEG C, after keeping the temperature 75min, with the rate of temperature fall of 8 DEG C/s by blank temperature
Water quenching cooling is cooled to room temperature with the rate of temperature fall of 10 DEG C/s again later to 580 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 25g/L and impregnates 70min, taking-up is with hydraulic pressure
The clear water of 1.2MPa rinses；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 55min, the clear water that taking-up is 1.2MPa with hydraulic pressure
It rinses；
Wherein, above-mentioned mixed acid is the hydrofluoric acid solution group of the hydrochloric acid solution and a concentration of 80g/l by a concentration of 120g/l
At；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling is cured under the conditions of 135 DEG C
20min；
Above-mentioned composite coating includes the following raw material counted in parts by weight：55 parts of methacrylic acid, methyl acrylate 20
Part, 15 parts of polybutylene terephthalate (PBT), 7 parts of epoxy resin, 1.25 parts of 12 coalescents of alcohol ester, curing agent：Metatitanic acid four
2.5 parts of 1.5 parts of N-butyl and ADC foaming agents；
(5) it aligns, detect, storage.
Comparative example 7
Commercially available 304 stainless steel tube.
Performance detection
Above-described embodiment 1-5 and comparative example 6-7 stainless steel tube performance parameters are as shown in table 2 below：
Table 2
By upper table 2 it is found that the vibration and noise reducing stainless steel tube of the present invention shows in performance all good in all respects, have significantly
It is promoted, can meet the needs of market significantly, in addition under comparison, stainless steel tube best performance made from embodiment 3 is corresponding
Chemical composition dosage and preparation method are preferred plan.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of vibration and noise reducing stainless steel pipe, which is characterized in that it includes following chemical composition by weight percentage：C：
0.05-0.3%, Si：0.4-0.8%, Mn：0.5-1.5%, Cr：0.1-0.3%, Cu：0.05-0.15%, Co：0.01-
0.1%, Al：0.4-0.6%, Ca：0.02-0.16%, Ba：0.004-0.012%, Nb：0.02-0.06%, Ce：0.03-
0.2%, Y：0.05-0.3%, Ga：0.006-0.020%, B：0.05-0.15%, Tc：0.001-0.01%, N≤0.05%,
Surplus is Fe.
2. a kind of vibration and noise reducing stainless steel pipe according to claim 1, which is characterized in that it is wrapped by weight percentage
Include following chemical composition：C：0.16-0.20%, Si：0.50-0.52%, Mn：0.8-1.2%, Cr：0.20-0.22%, Cu：
0.08-0.10%, Co：0.02-0.04%, Al：0.46-0.48%, Ca：0.06-0.08%, Ba：0.007-0.011%, Nb：
0.034-0.038%, Ce：0.011-0.013%, Y：0.18-0.20%, Ga：0.012-0.014%, B：0.06-0.08%,
Tc：0.003-0.005%, N≤0.03%, surplus Fe.
3. a kind of vibration and noise reducing stainless steel pipe according to claim 1, which is characterized in that it is wrapped by weight percentage
Include following chemical composition：C：0.18%, Si：0.51%, Mn：1.0%, Cr：0.21%, Cu：0.09%, Co：0.03%, Al：
0.47%, Ca：0.07%, Ba：0.009%, Nb：0.036%, Ce：0.012%, Y：0.19%, Ga：0.013%, B：
0.07%, Tc：0.004%, N≤0.03%, surplus Fe.
4. a kind of preparation method according to claim 1-3 any one of them vibration and noise reducing stainless steel tubes, which is characterized in that packet
Include following steps：
(1) melting：Scrap steel and each alloy raw material are placed in smelting furnace and are smelted, nitrogen is blown into, waiting for alloy, all melting is laggard
Row refining, mold, and it is forged into round steel；
(2) perforation cold rolling：Round steel is successively made through hot piercing equipment, cold-rolling mill to the pipe of certain specification；
(3) it is heat-treated：By heating of pipe blank to 1080-1120 DEG C, after keeping the temperature 90-100min, will be managed with the rate of temperature fall of 10 DEG C/s
The water quenching cooling of base temperature is cooled to room temperature with the rate of temperature fall of 4 DEG C/s again later to 620-630 DEG C；
(4) it is surface-treated：Including following I-III three phases
I, alkali cleaning：Pipe is placed in the NaOH solution that mass concentration is 30-35g/L and impregnates 40-60min, taking-up is with hydraulic pressure
1.6-1.8MPa clear water rinse；
II, pickling：Pipe after alkali cleaning is placed in mixed acid and impregnates 30-40min, taking-up is the clear of 1.6-1.8MPa with hydraulic pressure
Water rinses, and carries out skin drying under the conditions of temperature is 110-120 DEG C；
III, coating：Then the outer surface of tube blank being coated on using composite coating after pickling cures 25- under the conditions of 145-155 DEG C
30min；
The composite coating includes the following raw material counted in parts by weight：50-60 parts of methacrylic acid, methyl acrylate 15-25
Part, 10-20 parts of polybutylene terephthalate (PBT), 4-6 parts of acetate fiber, 3-5 parts of bauxite, 3-5 parts of attapulgite clay, quartz
2-3 parts of 2-3 parts of sand, 6-8 parts of EVA lotions, 1-1.5 parts of 12 coalescents of alcohol ester, 1-2 parts of curing agent and foaming agent；
(5) it aligns, detect, storage.
5. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that in step
(1) in, the forging temperature of the round steel is set as 1040-1060 DEG C.
6. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that in step
(2) in, the hot piercing temperature is set as 1160-1180 DEG C.
7. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that in step
(4) in, the mixed acid include a concentration of 140~180g/l salpeter solution and a concentration of 80~100g/l hydrofluoric acid it is molten
Liquid.
8. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that in step
(4) in, the composite coating includes the following raw material counted in parts by weight：55 parts of methacrylic acid, gathers 20 parts of methyl acrylate
15 parts of mutual-phenenyl two acid bromide two alcohol ester, 5 parts of acetate fiber, 4 parts of bauxite, 4 parts of attapulgite clay, 2.5 parts of quartz sand, EVA breasts
2.5 parts of 7 parts of liquid, 1.25 parts of 12 coalescents of alcohol ester, 1.5 parts of curing agent and foaming agent.
9. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that the foaming
Agent is ADC foaming agents.
10. a kind of preparation method of vibration and noise reducing stainless steel pipe according to claim 4, which is characterized in that described solid
Agent is any one of trimethylolpropane, m-xylene diamine or tetra-n-butyl titanate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810330902.XA CN108300944A (en) | 2018-04-13 | 2018-04-13 | A kind of vibration and noise reducing stainless steel pipe and preparation method thereof |
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| CN201810330902.XA CN108300944A (en) | 2018-04-13 | 2018-04-13 | A kind of vibration and noise reducing stainless steel pipe and preparation method thereof |
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ID=62848395
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109852958A (en) * | 2018-12-21 | 2019-06-07 | 南京沃尔德特钢有限公司 | A kind for the treatment of process of corrosion resistance seamless steel pipe |
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|---|---|---|---|---|
| CN1401012A (en) * | 2000-02-28 | 2003-03-05 | 新日本制铁株式会社 | Steel pipe having excellent formability and method for production thereof |
| CN101078086A (en) * | 2006-05-23 | 2007-11-28 | 株式会社神户制钢所 | Fatigue cracking resistant expansibility excellent steel plate |
| CN102264937A (en) * | 2008-12-24 | 2011-11-30 | 杰富意钢铁株式会社 | Corrosion-resistant steel material for crude oil tanker |
| CN102892910A (en) * | 2010-05-10 | 2013-01-23 | 新日铁住金株式会社 | High-strength steel sheet and method for producing same |
| WO2018043570A1 (en) * | 2016-09-01 | 2018-03-08 | 新日鐵住金株式会社 | Steel and oil well steel pipe |
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2018
- 2018-04-13 CN CN201810330902.XA patent/CN108300944A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401012A (en) * | 2000-02-28 | 2003-03-05 | 新日本制铁株式会社 | Steel pipe having excellent formability and method for production thereof |
| CN101078086A (en) * | 2006-05-23 | 2007-11-28 | 株式会社神户制钢所 | Fatigue cracking resistant expansibility excellent steel plate |
| CN102264937A (en) * | 2008-12-24 | 2011-11-30 | 杰富意钢铁株式会社 | Corrosion-resistant steel material for crude oil tanker |
| CN102892910A (en) * | 2010-05-10 | 2013-01-23 | 新日铁住金株式会社 | High-strength steel sheet and method for producing same |
| WO2018043570A1 (en) * | 2016-09-01 | 2018-03-08 | 新日鐵住金株式会社 | Steel and oil well steel pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109852958A (en) * | 2018-12-21 | 2019-06-07 | 南京沃尔德特钢有限公司 | A kind for the treatment of process of corrosion resistance seamless steel pipe |
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Application publication date: 20180720 |