CN205112546U - Stainless steel / carbon steel bimetal angle steel - Google Patents
Stainless steel / carbon steel bimetal angle steel Download PDFInfo
- Publication number
- CN205112546U CN205112546U CN201520830141.6U CN201520830141U CN205112546U CN 205112546 U CN205112546 U CN 205112546U CN 201520830141 U CN201520830141 U CN 201520830141U CN 205112546 U CN205112546 U CN 205112546U
- Authority
- CN
- China
- Prior art keywords
- steel
- stainless
- stainless steel
- angle steel
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The embodiment of the utility model discloses stainless steel / carbon steel bimetal angle steel, the bimetal angle steel includes integrated into one piece's first angle steel foot and second angle steel foot, wherein, first angle steel foot and second angle steel foot all include outer stainless steel layer and inlayer carbon steel core, stainless steel layer parcel is in carbon steel core's periphery, the inner wall on stainless steel layer is combined closely with carbon steel core's outer wall, and stainless steel layer and carbon steel core's combination interface is because the interference fit in composite forming technology, high temperature heating and draught pressure effect, can form the height into bonding strength, the metallurgical bonding interface that the processing performance is good. The utility model discloses the bimetal angle steel substitutes the stainless steel angle steel, under the prerequisite of guaranteeing angle steel anti -corrosion property, can also save stainless steel material, reduces engineering cost, simultaneously, compare the normalstainless -steel angle steel, the utility model discloses a bimetal angle steel has higher intensity.
Description
Technical field
The utility model relates to metal material and metallurgical technical field of steel rolling, particularly relates to a kind of stainless steel/carbon bimetallic angle steel.
Background technology
The rectangular steel of angle steel to be cross section be groove type, belong to build with machinery carbon structural steels.Angle steel is widely used in modern all trades and professions, is mainly used in the industries such as Rail car manufacture, bridge construction, chemical industry equipment, building field, often with I-steel with the use of.Carbon structural steels is generally all without heat treatment, and directly use under supply status, therefore there is defects such as easily getting rusty, perishable in use in common angle steel, especially in acid wet environment, badly influences service life and the security of structural elements.
For these reasons, in prior art, use the stainless steel angle steel be made up of stainless steel raw material in a large number, wherein, stainless steel can support erosion-resisting a kind of high-alloy steel in air or chemical attack medium.Because stainless steel has good corrosion resistance, so use stainless steel angle steel that structure member can be made for good and all to keep the integrality of engineering design.
At present, main alloy element in stainless steel is Cr, only have when Cr content reaches certain value, steel just has corrosion resistance, and therefore the general Cr content of stainless steel is at least 12%, simultaneously in order to make stainless steel have better resistance to grain boundary corrosion, also need containing precious metal elements such as Ni, Ti, Mn, N, Nb, Mo and Si in stainless steel, but, a large amount of precious metal can be consumed when preparing stainless steel angle steel like this, causing engineering material cost high.
Utility model content
The utility model embodiments provides a kind of stainless steel/carbon bimetallic angle steel, to solve how under guaranteeing that angle steel used meets the prerequisite that construction quality requires, reduces engineering material Cost Problems to greatest extent.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
A kind of stainless steel/carbon bimetallic angle steel, comprises integrated first angle steel pin and the second angle steel pin, wherein:
Described first angle steel pin and described second angle steel pin include outer stainless steel layer and internal layer carbon steel core;
Described stainless steel layer is wrapped in the periphery of described carbon steel core, and the inwall of described stainless steel layer and the outer wall of described carbon steel core are combined closely, and the combination interface of described stainless steel layer and described carbon steel core is metallurgical bonding interface.
Preferably, described carbon steel core comprises Q235A steel core or Q235B steel core.
Preferably, the weight of described stainless steel layer is the 8%-30% of described bimetallic angle steel gross weight.
Preferably, described stainless steel layer comprises Cr-Ni series austenitic stainless steel or Cr-Mn-Ni series austenitic stainless steel.
Preferably, described stainless steel layer comprises 304 stainless steels, 316 stainless steels or 316L stainless steel.
Preferably, the thickness of described stainless steel layer is the 5%-18% of the angle steel pin thickness of described bimetallic angle steel.
From above technical scheme, a kind of stainless steel/carbon bimetallic angle steel that the utility model embodiment provides, comprise integrated first angle steel pin and the second angle steel pin, wherein: described first angle steel pin and described second angle steel pin include outer stainless steel layer and internal layer carbon steel core, described stainless steel layer is wrapped in the periphery of described carbon steel core, the inwall of described stainless steel layer and the outer wall of described carbon steel core are combined closely, and the combination interface of described stainless steel layer and described carbon steel core is metallurgical bonding interface; And the combination interface of described stainless steel layer and described carbon steel core is because have by the interference fit of blank, high-temperature heating and draught pressure effect, can be formed as the metallurgical bonding interface that bond strength is high, processing performance is excellent.The utility model adopts the bimetallic angle steel of carbon steel core and outer stainless steel layer structure to carry out alternative stainless steel angle steel of the prior art, under the prerequisite ensureing angle steel anticorrosion properties, can also save stainless steel material, greatly reduce engineering cost; Meanwhile, compare common stainless steel angle steel, bimetallic angle steel described in the utility model effectively can improve intensity.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of stainless steel/carbon bimetallic angle steel stereochemical structure signal that Fig. 1 provides for the utility model embodiment;
The axial section structural representation of a kind of bimetallic material base that Fig. 2 provides for the utility model embodiment;
The horizontal section structural representation of a kind of bimetallic material base that Fig. 3 provides for the utility model embodiment;
The horizontal section structural representation of the another kind of bimetallic material base that Fig. 4 provides for the utility model embodiment;
In Fig. 1-4, concrete symbol is:
1-first angle steel pin, 2-first angle steel pin, 3-stainless steel layer, 4-carbon steel core, 5-stainless-steel pipe blank, 6-carbon steel core blank.
Detailed description of the invention
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
See Fig. 1, a kind of stainless steel/carbon bimetallic angle steel stereochemical structure signal that a kind of the utility model embodiment provided for the utility model embodiment provides, described bimetallic angle steel comprises integrated first angle steel pin 1 and the second angle steel pin 2, wherein, the length of described first angle steel pin 1 is more than or equal to the length of described second angle steel pin 2, described first angle steel pin 1 and described second angle steel pin 2 include outer stainless steel layer 3 and internal layer carbon steel core 4, described stainless steel layer 3 is wrapped in the periphery of described carbon steel core 4, the inwall of described stainless steel layer 3 and the outer wall of described carbon steel core 4 are combined closely, and the combination interface of described stainless steel layer 3 and described carbon steel core 4 is metallurgical bonding interface.
The combination interface of stainless steel layer 3 described in the present embodiment and described carbon steel core 4 is the metallurgical bonding interface formed after heating and continuously hot rolling, this metallurgical bonding interface be described stainless steel layer 3 and described carbon steel core 4 interface between the counterdiffusion of atom phase and the combination formed, its bond strength and structural stability are that mechanical bond can not be compared, and have good processing performance.
Further, described stainless steel layer 3 is arranged on the skin of described bimetallic angle steel, make use of the corrosion resistance of stainless steel material fully; Simultaneously, described carbon steel core 4 is enclosed with in described stainless steel layer 3, carbon steel due to phosphorus content high, relative to stainless steel, there is high strength and firmness level, effectively can improve the intensity of described bimetallic angle steel accordingly, and the cost ratio stainless steel of carbon steel is low, the described bimetallic angle steel that described the present embodiment provides, compared with existing stainless steel angle steel, also reduces material cost while raising angle steel intensity.
In order to the anticorrosion object reaching described bimetallic angle steel reduces the cost of raw material again as much as possible simultaneously, in the present embodiment, the weight of described stainless steel layer 3 is the 8%-30% of described bimetallic angle steel gross weight, the thickness of described stainless steel layer 3 is the 5%-18% of the angle steel pin thickness of described bimetallic angle steel, but is not limited to above-mentioned number range.
Described carbon steel core 4 adopts carbon structural steels to make, such as, adopt phosphorus content between 0.14-0.22 ﹪ and there is the Q235A steel of good plasticity, welding performance and forming ability, or for the angle steel that mechanical property requirements is high, Q235B steel can also be adopted, certainly, other steel can also be used.
Further, the Cr-Ni series austenitic stainless steel antiseptic effect in stainless steel is best, therefore, and the Cr-Ni austenitic stainless steel that stainless steel layer 3 described in the present embodiment adopts antiseptic property good.
Further, in Cr-Ni series austenitic stainless steel, 304 stainless steels are a kind of stainless steels be most widely used, and have good corrosion resistance, heat resistance; 316 stainless steels are after 304 stainless steels, second steel grade obtaining most extensive use, adding molybdenum element makes it obtain a kind of erosion-resisting special construction, compared with 304 stainless steels, it has better resisting chlorides corrosive power, and therefore described stainless steel layer 3 preferably adopts 304 stainless steels or 316 stainless steels.For the applied environment that requirement for anticorrosion is not high, also can adopt Cr-Mn-Ni system stainless steel, other can certainly be selected to have the stainless steel of decay resistance.
The utility model embodiment still provides bimetallic angle steel composite molding technique, specifically comprises the following steps:
S101; The stainless-steel pipe blank 5 carbon steel core blank 6 being loaded hollow forms bimetallic blank, and wherein said carbon steel core blank 6 and described stainless-steel pipe blank 5 are interference fit.
Select carbon steel core blank 6 and the stainless-steel pipe blank 5 of suitable types, in type of raw materials selection, described carbon steel core blank 6 adopts Q235A steel or the Q235B steel with good plasticity, welding performance and forming ability, and described stainless-steel pipe blank 5 can select Cr-Ni series austenitic stainless steel or the Cr-Mn-Ni series austenitic stainless steel of favorable anti-corrosion effect, in stock material shapes selection, the inner diameter shape of described stainless-steel pipe blank 5 can be the shape such as circular, square, and the outer diameter shape of corresponding described carbon steel core blank 6 is also the shape such as circular, square, in raw material size Selection, because stainless steel is the firm fine and closely woven stable rich chromium oxide film of one deck formed by its surface, prevent the continuation of oxygen atom from infiltrating, continue oxidation, and obtain corrosion protection ability, so have certain thickness requirement to the outer stainless steel layer in bimetallic angle steel, but consider the high strength and the engineering cost that ensure bimetallic angle steel simultaneously, preferably, the wall thickness of described stainless-steel pipe blank 5 is the 5%-18% of described bimetallic billet size, the weight of described stainless-steel pipe blank 4 is the 8%-30% of described bimetallic blank gross weight.
In related standards, regulation is done to the surface quality of angle steel, require that must not there be crack on surface, must not exist and use upper harmful defect etc., so in order to improve end product quality, described stainless-steel pipe blank 5 adopts stainless-steel seamless pipe, can effectively prevent described stainless-steel pipe blank 5 surface in the follow-up operation of rolling from producing crack like this.
Combine closely to make the inwall of the outer wall energy of described carbon steel core blank 6 and described stainless-steel pipe blank 5, described carbon steel core blank 6 and described stainless-steel pipe blank 5 are interference fit, consider that internal stress that maximum interference amount produces does not allow to exceed above-mentioned type of raw materials selected in the restriction of yield strength and the present embodiment, the magnitude of interference of described carbon steel core blank 6 and described stainless-steel pipe blank 5 is 0-0.1mm.
Consider between described carbon steel core blank 6 and described stainless-steel pipe blank 5 to be slight interference cooperation, in the present embodiment, adopt forcing press plunging or cold charge to be loaded in described stainless-steel pipe blank 5 by described carbon steel core blank 6.Wherein, forcing press plunging is adopted to be to adopt hydraulic press to fill.Specifically comprise, first according to the factor such as the magnitude of interference and length of fit, theoretical pressing-in force is calculated, the pressure that setting hydraulic press produces is theoretical pressing-in force 1.5-2 times, is then assembled with described stainless-steel pipe blank 5 by described carbon steel core blank 6 under normal temperature environment.
Finally firm metallurgical bonding interface can be formed in order to described carbon steel core blank 6 and described stainless-steel pipe blank 5 can be made, before described carbon steel core blank 6 is loaded described stainless-steel pipe blank 5, also comprise the step of blank cleaning, with the cleanliness factor of both raisings combination interface, specifically comprise, described carbon steel core blank 6 and described stainless-steel pipe blank 5 are eliminated rust respectively successively, step such as machining cleaning burr and cleaning treatment etc., the inner surface of the outer surface of described carbon steel core blank 6 and described stainless-steel pipe blank 5 is finally made to reach free from admixture, the requirement that non-oxidation and no marking are damaged.Wherein, described cleaning treatment can adopt pickling and acetone to clean the cleaning way combined, the dirts such as the greasy dirt of blank surface, rust staining, weldering spot, oxide layer and free iron are removed by pickling, then the dirts such as the organic matter of blank surface are removed further by acetone cleaning, certainly be not limited to above-mentioned cleaning way, the treatment step such as washed with de-ionized water process or ethanol dehydration process can also be added.
Further, under being in vacuum environment to enable the combination interface of described carbon steel core blank 6 and described stainless-steel pipe blank 5, to guarantee to be formed firmly metallurgical bonding interface, after described carbon steel core blank 6 is loaded described stainless-steel pipe blank 5, also comprise, welded seal is carried out in the position that the outer wall of the both ends of the surface of described bimetallic blank, described carbon steel core blank 6 and the inwall of described stainless-steel pipe blank 5 contact, during concrete enforcement, the blank after assembling must carry out seam under vacuum conditions.
S102: the described bimetallic blank assembled is put into heating furnace and heats.
Be be for machining deformation provides condition on the other hand for the combination interface of described carbon steel core blank 6 and described stainless-steel pipe blank 5 forms smelting alloy combination interface on the one hand to the object of described bimetallic blank heating, therefore, general heating-up temperature is more high better.But temperature is too high can produce again overheated, burning, even occur to melt etc. and add thermal defect; On the other hand, according to the technological requirement to metal working process, it is desirable to remain in certain temperature when intermetallic composite coating is complete, to desirable interior tissue to be obtained and performance.Therefore, in the present embodiment, described bimetallic blank is put into heating furnace and carry out preheating, heating, soaking, heating-up temperature, i.e. tapping temperature are set as 1050 DEG C-1280 DEG C, during concrete enforcement, described heating-up temperature can make corresponding change according to factors such as the material of described stainless-steel pipe blank 5 and pipe thicknesses.
S103: the described bimetallic blank after heating is carried out hot rolling, forms bimetallic angle steel.
In concrete enforcement, high-pressure water descaling → milling train roughing → crop → high-pressure water descaling → milling train finish rolling can be comprised the steps:
S201: high-pressure water descaling of coming out of the stove, this step ensures the important step of finished surface quality, and wherein, high-pressure water descaling pressure of coming out of the stove is about 22MPa.
S202: carry out roughing to described bimetallic blank, makes it possess finished product blank, a rolling 5-7 passage.
S203: topping deformed area.
S203: high-pressure water descaling after roughing, ensures that the blank surface before finish rolling is good.
S204: carry out finish rolling to bimetallic blank, a rolling 5-7 passage, is rolled into qualified finished product altogether.
Further, water-cooled line can be adopted after rolling completes to carry out controlled cooling model, with the nearly surface texture crystal grain of refinement, improve case hardness and anti-wear performance.Rolled piece approach table after water-cooled carries out multiple length billet-sawn, then cools on tooth-like cold bed, and tooth-like cold bed has certain straightening function to rolled piece, finally carries out nature cooling at chain-type cooling bed.
In above-mentioned hot rolling technology, described carbon steel core blank 6 and described stainless-steel pipe blank 5 diffusion layer that contact interface place is formed under high temperature, condition of high voltage, can realize the good metallurgical binding of described carbon steel core blank 6 and described stainless-steel pipe blank 5 contact interface place.
Certainly, be not limited to above-mentioned hot rolling technology step, cold-rolling process also can be adopted to be rolled processing to described bimetallic blank, can comprise the steps:
S301: use cold-rolling mill that described bimetallic blank is rolled into bimetallic angle steel.
S302: double tempering is carried out to the described bimetallic angle steel of roll forming, dispels the carbon that it is unnecessary, increase its density, thus improve its percentage elongation, tensile strength.
In order to make those skilled in the art person understand technical scheme in the utility model better, below in conjunction with concrete enforcement the utility model being done and further illustrating.
Embodiment one
The present embodiment adopts 304 stainless steels and Q235A steel billet material, is finally rolled into the equilateral bimetallic angle steel of length of side 40mm, thickness 5mm.
As shown in Figures 2 and 3, the basic structure schematic diagram of a kind of bimetallic material base provided for the utility model embodiment.
The stainless-steel pipe blank 5 of the present embodiment ectomesoderm adopts 304 stainless steels, and described stainless-steel pipe blank 5 is round seamless steel pipe, and it is specifically of a size of Φ 150 × 5 × 2000 (diameter × wall thickness × length, mm).The carbon steel core blank 6 of core adopts Q235A steel billet material, and it is specifically of a size of Φ 140.05 × 2000 (diameter × length, mm), and the magnitude of interference between described carbon steel core blank 6 and described stainless-steel pipe blank 5 is 0.05mm.
By the burr of described stainless-steel pipe blank 5 first place to go inner surface, then carry out pickling processes, finally use acetone cleaning treatment again.Core blank is carried out the size that turnery processing to described carbon steel core blank 6 requires, and then carry out surface cleaning processing.
Subzero treatment is carried out to described carbon steel core blank 6, preferably, liquid nitrogen selected by refrigerant for freezing described carbon steel core blank 6, then described carbon steel core blank 6 is loaded described stainless-steel pipe blank 5, form 304/Q235A bimetal copper-steel blank, described 304/Q235A bimetal copper-steel blank gross weight is 278.3 kilograms, and the weight of wherein said stainless-steel pipe blank 5 is 36.4 kilograms, accounts for 13.1% of described 304/Q235A bimetallic blank gross weight.
Described 304/Q235A bimetallic blank is carried out welded seal to the position that the outer wall of both ends of the surface, described carbon steel core blank 6 and the inwall of described stainless-steel pipe blank 5 contact under vacuum conditions.
Described 304/Q235A bimetallic blank is put into heating furnace heat, tapping temperature controls at 1260 DEG C.
After heating completely, by steps such as high-pressure water descaling, milling train roughing, crop, the de-scaling of secondary high-pressure water, milling train finish rolling, be finally rolled into the equilateral bimetallic angle steel of length of side 40mm, thickness 5mm, wherein the thickness of stainless steel layer is about 0.31mm.
Embodiment two
The present embodiment adopts 316 stainless steels and Q235B steel core blank, is finally rolled into the equilateral bimetallic angle steel of length of side 25mm, thickness 3mm.
As shown in Figure 4, the basic structure schematic diagram of the another kind of bimetallic material base provided for the utility model embodiment.
The stainless-steel pipe blank 5 of the present embodiment ectomesoderm adopts 316 stainless steels, and described stainless-steel pipe blank 5 is rectangle seamless steel pipe, and it is specifically of a size of 160 × 5 × 2000 (length of side × wall thickness × length, mm).The carbon steel core blank 6 of core adopts Q235B steel billet material, and it is specifically of a size of 150.3 × 2000 (length of side × length, mm), and the magnitude of interference between described carbon steel core blank 6 and described stainless-steel pipe blank 5 is 0.3mm.
By the burr of described stainless-steel pipe blank 5 first place to go inner surface, then carry out pickling processes, finally use acetone cleaning treatment again.Core blank is carried out the size that turnery processing to described carbon steel core blank 6 requires, and then carry out surface cleaning processing.
Adopt hydraulic press, under normal temperature environment, described carbon steel core blank 6 is assembled with described stainless-steel pipe blank 5, form 316/Q235B bimetallic blank, described 316/Q235B bimetal copper-steel blank gross weight is 400 kilograms, the weight of wherein said stainless-steel pipe blank 5 is 49.6 kilograms, accounts for 12.4% of described 316/Q235B bimetal copper-steel blank gross weight.After assembling, welded seal is carried out in the position that the inwall of the both ends of the surface of described 316/HRB500 bimetallic blank, the outer wall of described carbon steel core blank 6 and described stainless-steel pipe blank 5 contacts.
Described 316/Q235B bimetal copper-steel blank is put into heating furnace, and tapping temperature controls at 1270 DEG C.
After heating, by steps such as high-pressure water descaling, milling train roughing, crop, the de-scaling of secondary high-pressure water, milling train finish rolling, be rolled into into the equilateral bimetallic angle steel of length of side 25mm, thickness 3mm, wherein the thickness of stainless steel layer is about 0.18mm.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a stainless steel/carbon bimetallic angle steel, is characterized in that, comprises integrated first angle steel pin (1) and the second angle steel pin (2), wherein:
Described first angle steel pin (1) and described second angle steel pin (2) include outer stainless steel layer (3) and internal layer carbon steel core (4);
Described stainless steel layer (3) is wrapped in the periphery of described carbon steel core (4), the inwall of described stainless steel layer (3) and the outer wall of described carbon steel core (4) are combined closely, and the combination interface of described stainless steel layer (3) and described carbon steel core (4) is metallurgical bonding interface.
2. stainless steel/carbon bimetallic angle steel according to claim 1, is characterized in that, described carbon steel core (4) comprises Q235A steel core or Q235B steel core.
3. stainless steel/carbon bimetallic angle steel according to claim 1, is characterized in that, the weight of described stainless steel layer (3) is the 8%-30% of described bimetallic angle steel gross weight.
4. stainless steel/carbon bimetallic angle steel according to claim 1, is characterized in that, described stainless steel layer (3) comprises Cr-Ni series austenitic stainless steel or Cr-Mn-Ni series austenitic stainless steel.
5. stainless steel/carbon bimetallic angle steel according to claim 1, is characterized in that, described stainless steel layer (3) comprises 304 stainless steels, 316 stainless steels or 316L stainless steel.
6. stainless steel/carbon bimetallic angle steel according to claim 1, is characterized in that, the thickness of described stainless steel layer (3) is the 5%-18% of the angle steel pin thickness of described bimetallic angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830141.6U CN205112546U (en) | 2015-10-23 | 2015-10-23 | Stainless steel / carbon steel bimetal angle steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830141.6U CN205112546U (en) | 2015-10-23 | 2015-10-23 | Stainless steel / carbon steel bimetal angle steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205112546U true CN205112546U (en) | 2016-03-30 |
Family
ID=55568187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520830141.6U Active CN205112546U (en) | 2015-10-23 | 2015-10-23 | Stainless steel / carbon steel bimetal angle steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205112546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172218A (en) * | 2015-10-23 | 2015-12-23 | 湖南三泰新材料股份有限公司 | Stainless steel/carbon steel double-metal angle iron and composite molding technology |
-
2015
- 2015-10-23 CN CN201520830141.6U patent/CN205112546U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172218A (en) * | 2015-10-23 | 2015-12-23 | 湖南三泰新材料股份有限公司 | Stainless steel/carbon steel double-metal angle iron and composite molding technology |
| WO2017067209A1 (en) * | 2015-10-23 | 2017-04-27 | 湖南三泰新材料股份有限公司 | Stainless steel/carbon steel double-metal angle steel and composite molding technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105252843A (en) | Stainless steel-carbon steel doublemetal channel steel and composite molding technology thereof | |
| CN105150608A (en) | Stainless steel/carbon steel bi-metal thread steel and composite molding technology thereof | |
| CN105172218A (en) | Stainless steel/carbon steel double-metal angle iron and composite molding technology | |
| JP4867319B2 (en) | Tailored blank material for hot pressing, hot pressing member and manufacturing method thereof | |
| KR101339484B1 (en) | High-strength stainless steel pipe | |
| CN106319343A (en) | Low-cost and high-strength stainless steel and manufacturing method of welding pipe thereof | |
| CN110438414A (en) | A method of eliminating ultra-wide ferritic stainless steel surface crack of plate | |
| TWI546389B (en) | Fat iron stainless steel plate | |
| CN205112544U (en) | Stainless steel / carbon steel bimetal channel -section steel | |
| CN103212603A (en) | Hastelloy stainless steel seamless steel pipe | |
| CN104364404B (en) | Ferritic stainless steel | |
| CN108026623A (en) | Ferrite-group stainless steel | |
| CN105274429A (en) | Production method for alloy filament | |
| CN1923433B (en) | High-performance buried arc welding wire and wire rod, and method for manufacturing same | |
| CN103045949B (en) | Large marine high strength corrosion-resistant stainless-steel exhaust valve seat with internal orifice diameter of larger than 220 mm | |
| CN105728492A (en) | Clad steel plate with yield strength larger than 700 MPa and manufacturing method of clad steel plate | |
| CN107620011A (en) | A kind of heat-resistance stainless steel seamless pipe and preparation method thereof | |
| CN205112546U (en) | Stainless steel / carbon steel bimetal angle steel | |
| CN103966516A (en) | Low-cost stainless steel for tail gas purification system and manufacturing method of low-cost stainless steel | |
| CN105274428A (en) | Production method for alloy filament with zero defect on surface | |
| CN205112545U (en) | Stainless steel / carbon steel bimetal screw -thread steel | |
| CN108396231A (en) | A kind of function and service high-strength building structural steel and its manufacturing method | |
| CN110919235B (en) | Welding wire for stainless steel welding | |
| CN110863136A (en) | High-hole-expansion-performance hot rolled steel plate for enamel liner of water heater and manufacturing method thereof | |
| CN105200311A (en) | 4J42 alloy wire for discharge tube electrode and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |