CN107881414A - A kind of nailing piece of Manual nail gun and preparation method thereof - Google Patents
A kind of nailing piece of Manual nail gun and preparation method thereof Download PDFInfo
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- CN107881414A CN107881414A CN201711018742.7A CN201711018742A CN107881414A CN 107881414 A CN107881414 A CN 107881414A CN 201711018742 A CN201711018742 A CN 201711018742A CN 107881414 A CN107881414 A CN 107881414A
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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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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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
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to ailing machine parts technical field, and in particular to nailing piece of Manual nail gun and preparation method thereof.The nailing piece includes the composition of following percentage by weight：C：0.05 0.35%, Cr：8 15%, Ni：1.2 3%, Si：0.8 2%, Nb：0 1.8%, V：0 2.2%, Ti：0 2.8%, K：0.5 3.2%, W：1.0 3.5%, Ru：0.5 1.5%, surplus Fe.Its preparation method is：Raw material is weighed by nailing piece component formula, by load weighted raw material heating and melting, strand of casting to obtain, then carries out ultrasonic solution treatment, is tempered, obtains nailing piece.The ultrasonic solution treatment, it is the step of tempering：By heating strand to 900 1200 DEG C, 20 60min are handled using ultrasonic wave added, after quick cooling, are heated to 300 500 DEG C of 24 36h of tempering.
Description
Technical field
The present invention relates to ailing machine parts technical field, and in particular to the nailing piece of Manual nail gun and its preparation side
Method.
Background technology
Nail is a kind of one kind being widely used in carton bookbinding, indoor decoration finishing and furniture woodenware manufacturing process
Connector.Emitter of the ailing machine as nail, has a wide range of applications, and the ailing machine used at present comes from power source
Dividing typically has three kinds：1st, power source is done with fire；2nd, electricity consumption masterpiece power source；3rd, power source is done with air compressor.Above-mentioned three
Kind of product have one it is common the shortcomings that：Exactly launched with trigger, easily cocking off to hurt sb.'s feelings causes the accident.And Manual nail gun is because taking
Band is convenient, simple to operate, using process safety, the factor such as is not limited by concrete application condition, obtains more and more extensive application.
In general, Manual nail gun is mainly real by gun body, nailing piece, nail groove, the bounce-back structure composition such as shell fragment and the handspike, such as China
With new patent (Authorization Notice No.：CN202572327U the manual cable ailing machine disclosed in), also sets between the handspike and gun body
There is torsion spring, in the presence of torsion spring, the handspike can be automatically reset, and nailing is more convenient, and set and prevented on bounce-back shell fragment
Shake pad, shaken during bounce-back it is small, avoid injure user；Push nails are provided with inside nail groove, are drawn high in nailing piece same
When push nails by the elastic force effect of spring onto nail is shifted to the underface of nailing piece, continuous nailing can be realized.
And nailing piece gets nail as ailing machine the part directly contacted, by the friction repeatedly and punching of nail
Hit, therefore nailing piece needs have enough hardness and impact resistance, prevents during nailing, wearing and producing occur in nailing piece
Raw deviation, is also not in fracture, influences the ailing machine life-span.
The content of the invention
The purpose of the present invention is for the problem of nailing piece is present in the prior art, there is provided a kind of nailing piece and its preparation side
Method, the nailing piece being prepared have high intensity, wearability and excellent impact resistance.
In order to reach foregoing invention purpose, the present invention uses following technical scheme：A kind of nailing piece of Manual nail gun, institute
Nailing piece is stated to be made up of the composition of following percentage by weight：
C：0.05-0.35%, Cr：8-15%, Ni：1.2-3%, Si：0.8-2%, Nb：0-1.8%, V：0-2.2%,
Ti：0-2.8%, K：0.5-3.2%, W：1.0-3.5%, Ru：0.5-1.5%, surplus Fe.
W and C combines to form hard phase tungsten carbide, and another part W and Ni forms intermetallic compound nickel tungsten, as reinforcing
Alloy is present, and improves the strength of materials.And K strengthens the crystal boundary of tungsten carbide hard phase, the obdurability of material is improved.And K is to promote Austria
The element of family name's body tissue generation, its presence can eliminate thick long column shape in metal and come into being (Cr, Fe)7C3It is and other in tissue
Carbide, and make eutectic (Cr, Fe)7C3Long column shape of the hard phase by net distribution, needle-like, it is changed into bulk, the short column of isolated distribution
Shape, make hard phase Dispersed precipitate.Ru is dissolved in ferroalloy austenitic matrix, and forms elementide in the base, is hindered compacted
The motion of dislocation during change, the diffusion rate of other elements in alloy is reduced, delays the roughening speed of hard phase, and can improve
The alloying level of refractory element in alloy, and a step improves the impact resistance of alloy.
K, the interaction of W and Ru synergy and each element formation in composition so that the hardness of nailing piece increases
While adding, its toughness, crack resistance are remarkably improved, change the increase of current material hardness and poor toughness, can not bear it is strong
Strong impact or toughness increase, and the defects of hardness decline.
Ti, V and Nb are micro alloying element in nailing piece component, and it, can be by crystal grain thinning, heavy as preferably existing
Form sediment and strengthen to improve the intensity of steel, the addition ＜ 5.0% of three kinds of elements.
Preferably, the nailing piece includes the composition of following percentage by weight：
C：0.1-0.3%, Cr：8-15%, Ni：1.2-2.5%, Si：0.8-1.5%, Nb：0.5-1.5%, V：0.8-
2%, Ti：0.3-2.5%, K：1.0-3.2%, W：1.0-3.0%, Ru：0.5-1.2%, surplus Fe.
For another object of the present invention, the present invention uses following technical scheme：A kind of preparation method of nailing piece, institute
Preparation method is stated to comprise the following steps：Raw material is weighed by nailing piece component formula, load weighted raw material heating and melting is cast
Strand, ultrasonic solution treatment is then carried out, be tempered, obtain nailing piece.
Preferably, add the refining agent for accounting for melt total amount 0.4-1.2% in heating and melting processing.
Preferably, the refining agent be 25-45wt% sodium carbonate, 20-30wt% boraxs, 20-40wt% ice crystals with
And 5-15% micas.Sodium carbonate and ice crystal are the conventional refining agents of alloy refining purification, but the mixture of the two is as essence
Refining agent still has many deficiencies, such as limited to impurity absorption solvability, it is impossible to chemical action effectively occurs with metal bath
Deng.Borax is the structure of bulk multi-hole, and it obtains more, thinner pore space structure under the high temperature foaming of sodium carbonate, in lamella
Under the assistance of shape mica, the oxidizing slag effectively in absorption and dissolving alloy, reach refining catharsis.
It is preferably, described ultrasonic solution treatment, the step of tempering：By heating strand to 900-1200 DEG C, utilize
Ultrasonic wave added handles 20-60min, after quick cooling, is heated to 300-500 DEG C of tempering 24-36h.
The present invention adds ultrasonic wave added in solution treatment, it is only necessary to handles 20-60min (in the prior art, solution treatment one
As be 5-10h), be distributed in originally with solid phase it is transgranular with crystal boundary compound, it is all molten such as the carbide in alloy and superfluous phase
Solution, the tempering needs of material are slowly carried out after ultrasonic solution treatment so that acoustic cavitation caused by ultrasound, which is corroded, effectively to be delayed
Solution, finally plays refining alloy tissue, obtains uniformly tiny equiaxed grain structure, reduces stomata in alloy, rarefaction defect
Effect, improve casting combination property.
Preferably, the ultrasonic power is 500-1000W.
The chemical composition of nailing piece of the present invention makes material have excellent intensity, toughness, wearability etc., and combination property is excellent
It is different.The preparation method of the present invention refining alloy tissue, it is comprehensive to improve casting using ultrasonic wave added solution treatment, slowly tempering
Energy.
The chemical composition of the preparation method of the present invention and the present invention is used cooperatively, and can play the optimality of chemical composition
Can, and technique is simple, convenient operation and control, steady quality, production efficiency is high, can large-scale industrial production.
Embodiment
Explanation is further described to technical scheme below by specific embodiment.If without specified otherwise,
Raw material employed in embodiments of the invention is raw material commonly used in the art, the method employed in embodiment, is this
The conventional method in field.
Embodiment 1
The steel component of the present embodiment is：C：0.32%, Cr：10%, Ni：1.5%, Si：1.6%, K：0.8%, W：
2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, cast after being then down to 620 DEG C, obtain strand, then carry out ultrasonic solution treatment,
Tempering：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, after quick cooling, is again heated to 350 DEG C of tempering
30h, obtain the nailing piece of Manual nail gun.
Embodiment 2
The steel component of the present embodiment is：C：0.32%, Cr：10%, Ni：1.5%, Si：1.6%, Nb：1.8%, V：
2%, Ti：2%, K：0.8%, W：2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, cast after being then down to 620 DEG C, obtain strand, then carry out ultrasonic solution treatment,
Tempering：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, after quick cooling, is again heated to 350 DEG C of tempering
30h, obtain the nailing piece of Manual nail gun.
Embodiment 3
The steel component of the present embodiment is：C：0.22%, Cr：10%, Ni：1.5%, Si：1.0%, Nb：1.0%, V：
1.2%, Ti：1.8%, K：2.1%, W：2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, cast after being then down to 620 DEG C, obtain strand, then carry out ultrasonic solution treatment,
Tempering：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, after quick cooling, is again heated to 350 DEG C of tempering
30h, obtain the nailing piece of Manual nail gun.
Embodiment 4
The steel component of the present embodiment is：C：0.22%, Cr：10%, Ni：1.5%, Si：1.0%, Nb：1.0%, V：
1.2%, Ti：1.8%, K：2.1%, W：2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, add the refining agent of melt total amount 0.6% and carry out refining treatment 10min, the refining agent is
50wt% sodium carbonate and 50wt% ice crystals, are cast after being then down to 620 DEG C, are obtained strand, are then carried out ultrasonic solid solution
Processing, tempering：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, after quick cooling, 350 DEG C is again heated to and returns
Fiery 30h, obtain the nailing piece of Manual nail gun.
Embodiment 5
The steel component of the present embodiment is：C：0.22%, Cr：10%, Ni：1.5%, Si：1.0%, Nb：1.0%, V：
1.2%, Ti：1.8%, K：2.1%, W：2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, add the refining agent of melt total amount 0.6% and carry out refining treatment 10min, the refining agent is
45wt% sodium carbonate, 25wt% boraxs and 30wt% ice crystals, are cast after being then down to 620 DEG C, obtain strand, then
Ultrasonic solution treatment is carried out, is tempered：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, after quick cooling, then
350 DEG C of tempering 30h are heated to, obtain the nailing piece of Manual nail gun.
Embodiment 6
The steel component of the present embodiment is：C：0.22%, Cr：10%, Ni：1.5%, Si：1.0%, Nb：1.0%, V：
1.2%, Ti：1.8%, K：2.1%, W：2%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 750 DEG C and melted, add the refining agent of melt total amount 0.6% and carry out refining treatment 10min, the refining agent is
38wt% sodium carbonate, 25wt% boraxs, 30wt% ice crystals and 7% sericite, are cast after being then down to 620 DEG C, are obtained
Strand is obtained, then carries out ultrasonic solution treatment, is tempered：By heating strand to 1000 DEG C, 35min is handled using ultrasonic wave added, soon
Quickly cooling but after, be again heated to 350 DEG C tempering 30h, obtain the nailing piece of Manual nail gun.
Embodiment 7
The steel component of the present embodiment is：C：0.25%, Cr：12%, Ni：1.8%, Si：1.2%, Nb：1.2%, V：
1.5%, Ti：2%, K：2%, W：2.5%, Ru：0.8%, surplus Fe.
Load weighted component is added in melting furnace in the form of in-between alloy according to above-mentioned percentage, in inert gas
Under be heated to 800 DEG C and melted, add the refining agent of melt total amount 0.8% and carry out refining treatment 6min, the refining agent is
40wt% sodium carbonate, 20wt% boraxs, 32wt% ice crystals and 8% biotite, are cast after being then down to 600 DEG C, are obtained
Strand is obtained, then carries out ultrasonic solution treatment, is tempered：By heating strand to 950 DEG C, 40min is handled using ultrasonic wave added, quickly
After cooling, 400 DEG C of tempering 32h are again heated to, obtain the nailing piece of Manual nail gun.
Comparative example 1
Comparative example 1 differs only in embodiment 6, does not include K in the nailing piece composition of comparative example 1, remaining and implementation
Example 6 is similar, does not repeat herein.
Comparative example 2
Comparative example 2 differs only in embodiment 6, does not include W in the nailing piece composition of comparative example 2, remaining and implementation
Example 6 is identical, does not repeat herein.
Comparative example 3
Comparative example 3 differs only in embodiment 6, does not include Ru in the nailing piece composition of comparative example 3, remaining and implementation
Example 6 is identical, does not repeat herein.
Comparative example 4
Comparative example 4 differs only in embodiment 6, in the nailing piece preparation method of comparative example 4, without ultrasonic solution treatment
And tempering, remaining is same as Example 6, does not repeat herein.
Comparative example 5
Comparative example 5 differs only in embodiment 6, in the nailing piece preparation method of comparative example 5, uses consolidating without ultrasound
Molten normal processing 6h, it is other same as Example 6, do not repeat herein.
Comparative example 6
Comparative example 6 is differed only in embodiment 6, and in the nailing piece preparation method of comparative example 6,8h is tempered at 350 DEG C,
It is other same as Example 6, do not repeat herein.
Mechanics performance determining, its performance parameter such as institute of table 1 are carried out to the nailing piece that embodiment 1-7 and comparative example 1-6 is obtained
Show.
The embodiment 1-7 of table 1 and comparative example 1-6 nailing pieces performance parameter
As shown in Table 1, embodiment 6-7 performance parameter is optimal, and comparative example 1-6 is in due to a lack of necessary technical characteristic
Reveal poor performance.
It is in addition, right in place of the non-limit of claimed technical scope midrange and in embodiment technical scheme
The new technical scheme that the equal replacement of single or multiple technical characteristics is formed, equally all in claimed model
In enclosing；Simultaneously the present invention program it is all enumerate or unrequited embodiment in, parameters in the same embodiment are only
Represent an example (i.e. a kind of feasible scheme) for its technical scheme.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, but simultaneously
Do not deviate by the spirit of the present invention or surmount scope defined in appended claims.
Claims (7)
1. the nailing piece of a kind of Manual nail gun, it is characterised in that the nailing piece includes the composition of following percentage by weight：
C：0.05-0.35%, Cr：8-15%, Ni：1.2-3%, Si：0.8-2%, Nb：0-1.8%, V：0-2.2%, Ti：0-
2.8%, K：0.5-3.2%, W：1.0-3.5%, Ru：0.5-1.5%, surplus Fe.
2. a kind of nailing piece according to claim 1, it is characterised in that the nailing piece includes following percentage by weight
Composition：
C：0.1-0.3%, Cr：8-15%, Ni：1.2-2.5%, Si：0.8-1.5%, Nb：0.5-1.5%, V：0.8-2%,
Ti：0.3-2.5%, K：1.0-3.2%, W：1.0-3.0%, Ru：0.5-1.2%, surplus Fe.
3. a kind of preparation method of nailing piece as claimed in claim 1, it is characterised in that the preparation method includes following step
Suddenly：Raw material is weighed by nailing piece component formula, by load weighted raw material heating and melting, strand of casting to obtain, it is solid then to carry out ultrasound
Molten processing, tempering, obtains nailing piece.
4. the preparation method of a kind of nailing piece according to claim 3, it is characterised in that add and account in heating and melting processing
Melt total amount 0.4-1.2% refining agent.
5. the preparation method of a kind of Wear-resisting plunger according to claim 4, it is characterised in that the refining agent is 25-
45wt% sodium carbonate, 20-30wt% boraxs, 20-40wt% ice crystals and 5-15% micas.
6. a kind of preparation method of nailing piece according to claim 3, it is characterised in that described ultrasonic solution treatment, return
Fire step be：By heating strand to 900-1200 DEG C, 20-60min is handled using ultrasonic wave added, after quick cooling, is heated to
300-500 DEG C of tempering 24-36h.
7. according to a kind of preparation method of nailing piece of claim 3 or 6, it is characterised in that the ultrasonic power is 500-
1000W。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018742.7A CN107881414A (en) | 2017-10-26 | 2017-10-26 | A kind of nailing piece of Manual nail gun and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018742.7A CN107881414A (en) | 2017-10-26 | 2017-10-26 | A kind of nailing piece of Manual nail gun and preparation method thereof |
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| CN107881414A true CN107881414A (en) | 2018-04-06 |
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| CN201711018742.7A Pending CN107881414A (en) | 2017-10-26 | 2017-10-26 | A kind of nailing piece of Manual nail gun and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1851026A (en) * | 2006-05-19 | 2006-10-25 | 江苏共昌轧辊有限公司 | High-chromium cast steel milling ball, and its preparing method |
| CN106350746A (en) * | 2016-08-30 | 2017-01-25 | 苏州利德精工制造有限公司 | Textile machine shooting-in and connecting rod and heat treatment technology |
| CN106591725A (en) * | 2016-12-15 | 2017-04-26 | 苏州科胜仓储物流设备有限公司 | High-strength steel girder for goods shelf and manufacturing method of high-strength steel girder |
| CN107151766A (en) * | 2017-03-28 | 2017-09-12 | 广西浩昌敏再生资源利用有限公司 | A kind of high strength steel and preparation method thereof |
-
2017
- 2017-10-26 CN CN201711018742.7A patent/CN107881414A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1851026A (en) * | 2006-05-19 | 2006-10-25 | 江苏共昌轧辊有限公司 | High-chromium cast steel milling ball, and its preparing method |
| CN106350746A (en) * | 2016-08-30 | 2017-01-25 | 苏州利德精工制造有限公司 | Textile machine shooting-in and connecting rod and heat treatment technology |
| CN106591725A (en) * | 2016-12-15 | 2017-04-26 | 苏州科胜仓储物流设备有限公司 | High-strength steel girder for goods shelf and manufacturing method of high-strength steel girder |
| CN107151766A (en) * | 2017-03-28 | 2017-09-12 | 广西浩昌敏再生资源利用有限公司 | A kind of high strength steel and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱苗勇 主编: "《现代冶金工艺学-钢铁冶金卷》", 31 December 2016, 冶金工业出版社 * |
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Application publication date: 20180406 |