CN106221495B - Aqueous isolation titanium-steel coating and its application - Google Patents
Aqueous isolation titanium-steel coating and its application Download PDFInfo
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- CN106221495B CN106221495B CN201610598700.4A CN201610598700A CN106221495B CN 106221495 B CN106221495 B CN 106221495B CN 201610598700 A CN201610598700 A CN 201610598700A CN 106221495 B CN106221495 B CN 106221495B
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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Abstract
The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous isolation titanium-steel coating and its application in titanium ingot preparation process.The aqueous isolation titanium-steel coating of the present invention, contains following parts by weight ingredient: 50~150 parts of Watery film-fomer, 400~450 parts of Al powder, and Al2O3400~450 parts of powder, Fe2O30~50 part of powder.Coating of the present invention can guarantee that titanium tube in 900 DEG C of rollings or perforation procedure, does not occur bonding with steel equipment roll or capstan winch and reacts, and improve the lumber recovery and production efficiency of titanium processing；Simple process, easy to operate, coating is environment friendly and pollution-free, and preparation method is simple.
Description
Technical field
The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous isolation titanium-steel coating and its
Application in titanium ingot preparation process.
Background technique
Domestic manufacturer is applied without report using high temperature resistant titanium-steel anti-stick using during titanium ingot round billet production titanium tube at present
Layer；900 DEG C of titanium ingot round billet keeps the temperature 4h or more in heating furnace, could release heating furnace, carries out the rolling work of titanium tube.Due to titanium
And its with steel rolling equipment, roller-way and rolling capstan winch " viscous titanium " phenomenon is occurring for alloy after 900 DEG C of heat preservation 4h of high temperature, this
Titanium tube surface is set " misrun " phenomenon of different depth occur, due to being rotation perforation, rolling when rolling titanium tube, titanium base is in height
Drilling/rolling is carried out in fast rotation process, due to titanium-based titanium alloy high-temperature characteristic effect, is easy to be deposited with iron existing
As notably producing TiFe phase.If titanium tube Surface Creation TiFe, which meets, seriously affects titanium surface mechanical properties and tissue, make
Titanium tube brought in following process and use process various defects, loss, it is not corrosion-resistant the defects of problem；In addition, due to " equipment
Viscous titanium " causes to want first grinding apparatus that could roll subsequent titanium base again in the subsequent operation of rolling.It is unable to continuous rolling titanium tube
Or titanium product, waste a large amount of time and energy consumption；Meanwhile dimension of inner and outer diameters precision and surface quality to guarantee titanium tube, state
Interior producer is all to be carried out machining, lose in this way it is larger, due to titanium ingot be by titanium sponge react make, by titanium tube,
Outer portion machines away, and seriously affects the cost and lumber recovery of titanium, therefore carries out the protection work of high temperature resistant titanium-steel anti-stick coating
It is highly desirable.
Application No. is " 201410238452.3 ", it is entitled " high temperature resistant protective coating and its application and titanium ingot
Production method " discloses a kind of for titanium ingot surface, the high temperature resistant protective coating for preventing titanium ingot to be oxidized, chemical component are as follows:
Weight ratio is the Al powder and Fe powder of 1:0.0 1~0.1, mainly solving the technical problems that preventing titanium ingot surface dissolved oxygen layer and crackle
Formation, come achieve the purpose that reduce production cost.
Application No. is " 201410236098.0 ", it is entitled " aqueous high-temperature-resistant coating and its application and titanium ingot
Production method ", disclosing a kind of is also to be directly used in titanium ingot surface, and the water-soluble high temperature resistant for preventing titanium ingot surface to be oxidized applies
Material, the chemical component of the coating are as follows: weight ratio be respectively 1:0.01~0.1:0.01~0.1:0.01~0.1 Al powder, Zn powder,
Fe powder and Sn powder.Main technical problems to be solved are also to prevent the formation of titanium ingot surface dissolved oxygen layer and crackle, reduce life to reach
Produce the purpose of cost.
As it can be seen that the prior art is all to be sprayed on titanium ingot surface before titanium ingot is made annealing treatment, to each titanium ingot surface
Spray treatment will be carried out, along with coating needs certain time dry after spraying, technique, which is prepared, just becomes complicated, preparation
Time is especially long, is unable to serialization and efficiently produces.And in the operation of rolling of titanium tube, due to the deformation of titanium ingot, in titanium ingot surface
The coating is sprayed to prevent titanium-steel bonding ineffective.If the coating is directly sprayed at rolling capstan winch surface, due to capstan winch
Different from the material of titanium ingot, film forming and adhesion effect are poor, can not prevent titanium-steel bonding well.
Therefore, to solve the above-mentioned problems, need a kind of simple process, energy conservation and environmental protection, can with serialization, efficiently prepare titanium
Defect loss and production cost is effectively reduced, moreover it is possible to prevent the high temperature resistant anti-stick coating of equipment damage in pipe.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind in the titanium tube operation of rolling, it is possible to reduce titanium tube surface lacks
It falls into, reduces production cost, improve titanium tube surface quality, coating can be bonded with the anti-titanium of the aqueous high-temperature-resistant of continuous production-steel.
The aqueous isolation titanium-steel coating of the present invention, contains following parts by weight ingredient: 50~150 parts of film forming agent, Al powder 350~
400 parts, Al2O3400~450 parts of powder, Fe2O30~50 part of powder, 0~50 part of Fe powder.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, containing following parts by weight at
Point: 50~150 parts of film forming agent, 350~400 parts of Al powder, Al2O3400~450 parts of powder, Fe2O310~50 parts of powder, Fe powder 10~50
Part；Further preferably following parts by weight ingredient: 100 parts of film forming agent, 350 parts of Al powder, Al2O3450 parts of powder, Fe2O350 parts of powder, Fe
50 parts of powder.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating also contain following parts by weight
Ingredient: 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；Further preferably following parts by weight ingredient: 1 part of curing agent,
0.5 part of dispersing agent, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, preferably by following parts by weight
At being grouped as: 50~150 parts of film forming agent, 350~400 parts of Al powder, Al2O3350~400 parts of powder, Fe2O310~50 parts of powder, Fe powder
10~50 parts, 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；It is more preferably made of following parts by weight ingredient: film forming
100 parts of agent, 350 parts of Al powder, Al2O3450 parts of powder, Fe2O350 parts of powder, 50 parts of Fe powder, 1 part of curing agent, 0.5 part of dispersing agent, water 5
Part.
Above-mentioned aqueous isolation titanium-steel coating, wherein the film forming agent is epoxy resin, aqueous polyurethane paint, aqueous acrylamide
At least one of yogurt shellac varnish, Water-borne alkyd coating.
Above-mentioned aqueous isolation titanium-steel coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one
Kind, preferably SiO2；The dispersing agent is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered
Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, wherein the aqueous isolation
Titanium-steel coating pH value is 7.5~9.5；Solid content is 85~90%, preferably 87%.
The present invention also provides a kind of application of aqueous isolation titanium-steel coating in titanium tube rolling.
Application of the above-mentioned aqueous isolation titanium-steel coating in titanium tube rolling, at room temperature, by aqueous isolation titanium-steel coating
Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.
Application of the above-mentioned aqueous isolation titanium-steel coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft
The mode of brushing is coated.
Compared with the prior art, the present invention also has the following beneficial effects:
(1) coating of the present invention can guarantee titanium tube 900 DEG C rolling or perforation procedure in, not with steel equipment roll or capstan winch
Bonding reaction occurs, improves the lumber recovery and production efficiency of titanium processing；
(2) present invention can be set using simple production process, easy to operate equipped with pneumatic spraying, airless spraying and brushing
It is used on standby production line；
(3) this product is aqueous, environmental protective high temperature resistant anti-stick coating, does not contain the nocuousness limited in RoHS mass in coating
Element, meanwhile, this product is volatilized without noxious material in air, does not influence environmentally friendly effect of construction environment etc.；
(4) extemporaneous preparation when the aqueous isolation titanium-steel coating of the present invention can be used, prepares period, simple possible；It can also
After preparing production, at room temperature, coating stabilization shelf-stability be can reach 6 months or more.
Specific embodiment
The aqueous isolation titanium-steel coating of the present invention, contains following parts by weight ingredient: 50~150 parts of film forming agent, Al powder 350~
400 parts, Al2O3400~450 parts of powder, Fe2O30~50 part of powder, 0~50 part of Fe powder.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, containing following parts by weight at
Point: 50~150 parts of film forming agent, 350~400 parts of Al powder, Al2O3400~450 parts of powder, Fe2O310~50 parts of powder, Fe powder 10~50
Part；Further preferably following parts by weight ingredient: 100 parts of film forming agent, 350 parts of Al powder, Al2O3450 parts of powder, Fe2O350 parts of powder, Fe
50 parts of powder.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating also contain following parts by weight
Ingredient: 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；Further preferably following parts by weight ingredient: 1 part of curing agent,
0.5 part of dispersing agent, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, preferably by following parts by weight
At being grouped as: 50~150 parts of film forming agent, 350~400 parts of Al powder, Al2O3350~400 parts of powder, Fe2O310~50 parts of powder, Fe powder
10~50 parts, 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；It is more preferably made of following parts by weight ingredient: film forming
100 parts of agent, 350 parts of Al powder, Al2O3450 parts of powder, Fe2O350 parts of powder, 50 parts of Fe powder, 1 part of curing agent, 0.5 part of dispersing agent, water 5
Part.
Above-mentioned aqueous isolation titanium-steel coating, wherein the film forming agent is epoxy resin, aqueous polyurethane paint, aqueous acrylamide
At least one of yogurt shellac varnish, Water-borne alkyd coating.
Above-mentioned aqueous isolation titanium-steel coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one
Kind, preferably SiO2；The dispersing agent is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered
Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous isolation titanium-steel coating, wherein the aqueous isolation
Titanium-steel coating pH value is 7.5~9.5；Solid content is 85~90%, preferably 87%, can guarantee rolling equipment surface in this way
Form uniform high-temperature adhesion resistant knot protective film layer.
The present invention also provides a kind of application of aqueous isolation titanium-steel coating in titanium tube rolling.
Application of the above-mentioned aqueous isolation titanium-steel coating in titanium tube rolling, at room temperature, by aqueous isolation titanium-steel coating
Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.Work as film
When layer adhesion amount is less than 0.20mm, in rolling or perforation procedure, the rotation of titanium ingot pastes and coating adhesion amount thickness is caused gradually to drop
It is low, so to guarantee having enough coating layer thicknesses, prevent from all being sticked out by titanium tube, cannot get sufficient high temperature oxidation resisting protection.
If film layer adhesion amount is more than 0.40mm, cost is increased.
Application of the above-mentioned aqueous isolation titanium-steel coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft
The mode of brushing carry out be coated in steel equipment surface, roller surface or capstan winch surface after, the film layer of formation at room temperature, 5
Rapid curing in~10min；Since solid part is high, phenomena such as being not in film layer trickling, sagging, coating adhesion is very good,
Either under wet film or when dry film, coating adhesion can meet the needs of titanium ingot roller-way bobbing machine friction, be not in
Coating scaling or picking phenomenon；Coating method, drying means etc. are not particularly limited, coating method can be according to live real
Border situation needs to carry out corresponding form of construction work.
The aqueous isolation titanium-steel coating preparation method of the present invention can use commonly used in the art various without particular/special requirement
Method can matching while using as long as each component is uniformly mixed.But the present inventor has found under study for action, preferably adopts
Aqueous isolation titanium-steel coating is prepared with the following method, and each component can be made to mix more evenly.Method particularly includes: it first will be aqueous
Film forming agent is mixed with water and is diluted, and then under stiring, is slowly added to aluminium powder, iron powder, ferric oxide powder and three oxidations two
Then aluminium powder adds curing agent, stir evenly, and adds dispersing agent, stirring is in uniform and stable phase.
In solidification process, it is only necessary to the moisture for being attached to coating surface is removed, because leading without adding any promotor again
Wanting curing mode is spontaneous curing, and in order to save curing time, the methods of heated-air drying or induction heating, coating also can be used
After solidification, coating is not in picking and crack phenomenon.
Coating high temperature resistant principle prepared by the present invention are as follows: when temperature reaches 900 DEG C, organic coating starts slowly burned
Fall, but Fe starts slowly to melt softening, it at this time can be the Al powder and Al in coating2O3Powder is fixed on roll or capstan winch surface, rises
To heat-insulated effect；Alloying reaction occurs for Al powder and Ti in coating, forms TiAl3Alloy-layer, this layer of substance is very fine and close,
The substances such as body titanium and extraneous (steel) ferro element can be completely cut off, bonding reaction occurs, have the function that titanium-steel bonding occurs for prevention and treatment.
The temperature that the anti-titanium of high temperature resistant-steel bonding coating uses is not particularly limited, but molten due to inorganic agent of the invention
Agent is water, guarantees the temperature condition that water does not freeze and vaporizes, uses at normal temperature.
A kind of anti-titanium of high temperature resistant of the present invention-steel bonds coating, is painted on rolling capstan winch surface online, can consolidate rapidly
Change, form self-drying type coating, which can guarantee titanium tube under 900 DEG C of high temperature, and surface does not occur bonding with steel surface and generates
TiFe phase can be effectively reduced production cost and improve productivity effect, more main raising Product Precision size and surface quality；This
The corresponding coating process technology provided with good economic efficiency, social benefit and wide popularization and application foreground are provided.
A specific embodiment of the invention is further described below with reference to embodiment, is not therefore limited the present invention
System is among the embodiment described range.
Embodiment 1
Aqueous isolation titanium-steel coating is prepared according to each raw material in table 1 and its weight proportion:
The aqueous isolation titanium-steel coating raw material of table 1 and its proportion
| Raw material | Film forming agent/g | Al powder/g | Al2O3Powder/g | Fe2O3Powder/g | Fe powder/g | Curing agent/g | Dispersing agent/g | Water/g |
| K1 | 100 | 350 | 450 | 50 | 50 | 1 | 0.5 | 5 |
| K2 | 150 | 350 | 400 | 10 | 20 | 2 | 1 | 1 |
| K3 | 50 | 400 | 420 | 20 | 10 | 1.5 | 0.8 | 2.2 |
| K4 | 100 | 350 | 450 | 0 | 50 | 1 | 0.5 | 5 |
| K5 | 100 | 350 | 450 | 50 | 0 | 1 | 0.5 | 5 |
| D1 | 100 | 350 | 0 | 50 | 50 | 1 | 0.5 | 5 |
| D2 | 100 | 350 | 0 | 0 | 50 | 1 | 0.5 | 5 |
Wherein, K1~K5 is experimental group, and D1~D2 is control group, and a blank control group D3 is separately arranged and (does not apply coating
Direct Rolling), and wherein film forming agent is epoxy resin (solid content 50%)；Curing agent is SiO2, dispersing agent is polyvinyl alcohol.
Aqueous isolation titanium-steel coating pH value prepared by the present invention is 7.5~9.5；Solid content is 85~90%.
Preparation method are as follows: at normal temperatures and pressures, by film forming agent, Al powder, Fe powder, Fe2O3Powder, Al2O3Powder is added to appearance
It in device, is stirred continuously in adition process, is stirring evenly and then adding into curing agent, dispersing agent and water, stirs evenly, to solution in uniform
Stable phase is to get aqueous isolation titanium-steel coating.
Aqueous isolation titanium-steel coating prepared by above-mentioned each group is using pneumatic spraying, airless spraying or manual brushing
Mode carry out be coated in steel equipment surface, roller surface or capstan winch surface after, at room temperature spontaneously dry, solidify 10~
15min obtains the film layer with a thickness of 0.2~0.4mm.Titanium tube rolling is carried out at 900 DEG C.The titanium tube surface matter obtained after rolling
Amount is good, and titanium tube and roll, capstan winch etc. are not adhered, and specific comparative situation is as follows:
The aqueous isolation titanium-steel coating of table 2 and control group test performance
From Table 2, it can be seen that using the coating coating equipment of Examples 1 to 5, the titanium tube surface quality that is obtained after rolling
Well, titanium tube and roll, capstan winch etc. hardly bond.It is not coated by the roll or capstan winch of any coating (i.e. blank control group), is rolled
The titanium tube obtained after system, titanium tube surface defect is serious, and equipment also has a degree of viscous titanium, needs to continue to make after polishing
With.Using the coating coating equipment of D1 and D2, the titanium tube surface defect rate after rolling is still higher, cannot prevent titanium steel well
Bonding.
10,000 tons of production capacities are produced in design per year, are calculated with 1.5 tons of each titanium ingot (semifinished product), to be produced 6300 or so titaniums every year
There is titanium steel bonding 5mm~20mm depth calculation with each titanium ingot in billet, and each titanium ingot will machine away 100~200 kilograms, with
80000 yuan/ton of titanium ingot calculating, each titanium ingot lose between 8000~16000 yuan because gluing titanium cutting tip, meanwhile, also to spend
Take a large amount of human and material resources to be cut, it is additional to increase production cost and production time, and use this technology, will for titanium tube and
A large amount of production cost is saved in the production of other titanium alloy products, in terms of in each titanium ingot operation of rolling using 2~5kg of coating
It calculates, every coating price is calculated by 200,000/ton, and the new returns of this technology are seen below shown in formula:
The output of the annual titanium ingot of W-: being calculated with 10,000 tons, about produces 6300 titanium ingots every year；
The each titanium ingot of A- is because gluing titanium-steel layer problem cutting amount: pressing 50Kg calculating/titanium ingot；
The cost of P1- titanium ingot: 80 yuan/Kg；
W1- sprays the consumption of high temperature resistant anti-stick coating, 3Kg/ ingot；
P2- high temperature resistant anti-stick coating price per ton: it is calculated by 200 yuan/Kg；
The new returns that Y- uses this technology to generate every year:
Then:
Y=(P1 × A-W1 × P2) × W=(4000-600) × 6300=2142 (ten thousand yuan)
As it can be seen that coating provided by the invention is with good economic efficiency, social benefit and wide popularization and application foreground.
Claims (10)
1. aqueous isolation titanium-steel coating, it is characterised in that: the aqueous isolation titanium-steel coating is coated in steel equipment surface, rolls
Roller surface or capstan winch surface, and be made of following parts by weight ingredient: 50~150 parts of Watery film-fomer, 350~400 parts of Al powder,
Al2O3350~400 parts of powder, Fe2O310~50 parts of powder, 10~50 parts of Fe powder, 1~2 part of curing agent, 0.5~1 part of dispersing agent, water 1
~5 parts；Wherein, the curing agent is SiO2, waterglass, Al2(HPO4)3At least one of.
2. aqueous isolation titanium-steel coating according to claim 1, it is characterised in that: the Watery film-fomer be epoxy resin,
At least one of aqueous polyurethane paint, Aqueous acrylic latex's paint, Water-borne alkyd coating.
3. aqueous isolation titanium-steel coating according to claim 1, it is characterised in that: the dispersing agent is polyvinyl alcohol, hydrolysis
At least one of maleic anhydride, barium stearate.
4. aqueous isolation titanium-steel coating according to claim 3, it is characterised in that: the curing agent is SiO2；The dispersion
Agent is polyvinyl alcohol.
5. any one aqueous isolation titanium-steel coating according to claim 1~4, it is characterised in that: the aqueous isolation titanium-
The pH value of steel coating is 7.5~9.5；Solid content is 85~90%.
6. aqueous isolation titanium-steel coating according to claim 5, it is characterised in that: the aqueous isolation titanium-steel coating is consolidated
Content is 87%.
7. application of any one of the claim 1~6 aqueous isolation titanium-steel coating in titanium tube rolling.
8. applying according to claim 7, it is characterised in that: at room temperature, aqueous isolation titanium-steel coating is coated in steel
Equipment surface, roller surface or capstan winch surface form the film layer of 0.2~0.4mm thickness.
9. applying according to claim 8, it is characterised in that: thicknesses of layers 0.3mm.
10. applying according to claim 7, it is characterised in that: using the side of pneumatic spraying, airless spraying or manual brushing
Formula is coated.
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| CN104017426B (en) * | 2014-05-30 | 2015-10-28 | 攀钢集团攀枝花钢铁研究院有限公司 | The production method of high temperature resistant protective cover and application and titanium ingot |
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