2017年2月28日星期二

Production Process of Titanium Anode

l  Basic Cutting Methods of Titanium Anode Plate

titanium cutting in two ways:
(1) With linear cutting & shaping;
(2) After the mass production can be made molds press forming;
钛材的切割有两种方法:
1)用线切割切割成型;
 (2)批量生产以后可制作模具冲压成型;


Titanium Anode Plate


l  Degreasing & Sand Blasting

Sandblasted purpose is to enhance the bonding force of the substrate metal oxide coating. Using the metal cleaning agent to clean the oil on the titanium substrate.
喷砂去油:

喷砂处理的目的是为了增强基体与金属氧化物涂层的结合力。钛基体上沾上油污,采用下述方法:金属清洗剂清洗。

MMO Titanium Anode


l  Oxalic acid etching:

The purpose of the acid treatment is to further enhance the combination strength of the substrate and metal oxide coating, thereby improving the electrical conductivity and prolong the service life of the electrodes. The substrate after acid-etched, the surface of the titanium substrate layer formed uneven pitted surface, which increasing the surface area, so that the real area of the electrode is increased, and then reduced the true current density, and then improved the electrochemical properties of the electrodes. Meanwhile it can also o remove the oxide film on the titanium substrate surface.
    酸处理的目的,是为了进一步增强基体与金属氧化物涂层的结合力,从而改善导电性,延长电极使用寿命。经过酸蚀刻的基体,使钛基体表面形成凹凸不平的麻面层,具有较大的表面积,使电极的真实面积增大,降低了真实电流密度,改善了电极的电化学性能。同时,能除去钛基体表面的氧化膜。

titanium plate coated Ir


l  Ionized water cleaning and alcohol disinfection

Acid treatment is completed; using plenty of water to wash remaining oxalic acid and oxalic acid titanium on the surface of the titanium substrate. After rinsing with ionized water and dried, if handled well, the color of the titanium substrate should be dark gray, then using alcohol disinfection cleaning.
  酸处理完毕,要用大量水冲洗钛基体表面残存的草酸及草酸钛。然后用离子水冲洗待干燥后,处理好的钛基体应呈深灰色,再用酒精消毒清洗。

titanium anodes plates


l  The coating liquids preparation:
(1) Iridium 12 g / m² (2) ruthenium 10 g / m²(3) tin 6 g / m²
12/m²(2)钌10/m²(3)锡6/m²

Titanium Anode Mesh coated with Ir


l  Coating the coating liquid:

(1) Coating the liquid on the surface of titanium substrate;
(2) Drying under the temperature of 100 °about 15 minutes
(3) Thermal oxidation under the temperature of 50 ° about 15 minutes
Coating, drying, thermal oxidation operation repeated 18-20 times. Coating the coating liquid is completed.
 (1)把涂液涂敷在钛基体表面上;
 (2)烘干,温度100°,时间15分钟
 (3)热氧化,温度50°,时间15分钟
    涂敷、烘干、热氧化的操作反复进行18-20次。涂敷涂液完成.

Titanium Electrode

l  Vacuum Leveling.
Completed of titanium plate anode.
  钛阳极板制作完成。


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2016年6月20日星期一

NICKEL ALLOYS - Nickel 400 (UNS04400)

Nickel and nickel alloys are non-ferrous metals with:

  • High strength and toughness
  • Excellent corrosion resistance
  • Superior elevated temperature properties

Alloy 400 (UNS04400)

Characteristics
  • Excellent resistance to chloride ion stress corrosion cracking.
  • Good mechanical properties from subzero temperatures up to about 480C.
  • Corrosion resistance in an extensive range of marine and chemical environments. From pure water to non-oxidizing mineral acids, salts and alkalis.
  • This alloy is more resistant to nickel under reducing conditions and more resistant than copper under oxidizing conditions, it does show however better resistance to reducing media than oxidizing.
  • Good resistance to sulphuric and hydrofluoric acids. Aeration however will result in increased corrosion rates. May be used to handle hydrochloric acid, but the presence of oxidising salts will greatly accelerate corrosive attack.
  • Resistance to neutral, alkaline and acid salts is shown, but poor resistance is found with oxidizing acid salts such as ferric chloride.

Applications
  1. Feed water and stream generator tubing
  2. Brine heaters, sea water scrubbers in tanker inert gas systems
  3. Sulphuric acid and hydrofluoric acid alkylation plants
  4. Pickling bath heating coils
  5. Heat exchangers in a variety of industries
  6. Transfer piping from oil refinery crude columns
  7. Propeller and pump shafts
  8. Plant for the refining of uranium and isotope separation in the production of nuclear fuel.
  9. Pumps and valves used in the manufacture of perchlorethylene, chlorinated plastics.
  10. Monoethanolamine (MEA) reboiling tube.
  11. Cladding for the upper areas of oil refinery crude columns.

Size ranges
  • OD 6.0-89.0mm
  • WT 0.5-8.0mm
  • Up to 12 meters

The tubes are strictly implements the standard specification ASTM B161/ASME SB161, ASTM B163/ASME SB163, ASTM B167/ASME SB167.


2016年6月6日星期一

NICKEL ALLOYS - Nickel 201 (UNS02201)

Nickel and nickel alloys are non-ferrous metals with:



  • High strength and toughness 
  • Excellent corrosion resistance
  • Superior elevated temperature properties



Nickel 201 (UNS 02201)

Characteristics


  • Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions.
  • Outstanding resistance to caustic alkalis up to and including the molten state.
  • Virtually immune to inter granular attack above 315C, chlorates must be kept to a minimum.
  • In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur.
  • Resistant to all dry gases at room temperature and in dry chlorine and hydrogen chloride may be used in temperatures up to 550C.
  • Resistance to mineral acids varies according to temperature and concentration and whether the solution is aerated or not. Corrosion resistance is better in deaerated acid.

Applications

  • Manufacture and handling of sodium hydroxide, particularly at temperature above 300C.
  • Production of viscose rayon. Manufacture of soap.
  • Aniline hydrochloride production and in the chlorination of aliphatic hydrocarbons such as benzene, methane and ethane.
  • Manufacture of vinyl chloride monomer.
  • Storage and distribution systems for phenol - immunity from any form of attack ensures absolute product purity.
  • Reactors and vessels in which fluorine is generated and reacted with hydrocarbons.

Size ranges

  • OD 6.0 - 89.0 mm
  • WT 0.5 - 8.0 mm
  • Up to 12 meters

The tubes are strictly implements the standard specification ASTM B161/ASME SB161, ASTM B163/ASME SB163, ASTM B167/ASME SB167.





2016年5月23日星期一

NICKEL ALLOYS - Nickel 200 (UNS02200)

Nickel and nickel alloys are non-ferrous metals with:
  • High strength and toughness
  • Excellent corrosion resistance
  • Superior elevated temperature properties

Nickel 200 (UNS02200)

Characteristics
  • Good resistance to corrosion in acids and alkalis and is most useful under reducing conditions.
  • Outstanding resistance to caustic alkalis up to and including the molten state. In acid, alkaline and neutral salt solutions the material shows good resistance, but in oxidizing salt solutions severe attack will occur.
  • Resistant to all dry gases at room temperature and in dry chlorine and hydrogen chloride may be used in temperatures up to 550C.
  • Resistance to mineral acids varies according to temperature and concentration and whether the solution is aerated or not. Corrosion resistance is better in deaerated acid.
Applications
  • Manufacture and handling of sodium hydroxide, particularly at temperature above 300C.
  • Production of viscose rayon. Manufacture of soap.
  • Analine hydrochloride production and in the chlorination of aliphatic hydrocarbons such as benzene, methane and ethane.
  • Manufacture of vinyl chloride monomer.
  • Storage and distribution systems for phenol immunity from any form of attack ensures absolute product purity.
  • Reactors and vessels in which fluorine is generated and reacted with hydrocarbons.
Size ranges
  • OD 6.0 - 89.0 mm
  • WT 0.5 - 8.0 mm
  • Up to 12 meters
The tubes are strictly implements the standard specification ASTM B161 / ASME SB161, ASTM B163/ASME SB163, ASTM B167/ASME SB167.


2016年5月17日星期二

Titanium Flange Type and Flange Sealing Surface

    Recently, one of my client inquired titanium flange to me, I asked him flange type but he gave me FF. In fact, FF is sealing surface not flange type. So I think maybe I should put emphasis on titanium products also, not only titanium materials. 

    Then let's learn about the titanium flange information more together.

     1. Flange Type:
        
         1.1 PL FLG - Plate Flange
                  
Titanium PL Flange

         1.2 SO FLG - Slip On Flange

 
         1.3 WN FLG - Welding Neck Flange

Titanium WN Flange - Welding Neck Flange
     1.4 IF FLG - Integral Flange

Titanium IF Integral Flange 



          1.5 SW FLG - Socket Weld Flange
Titanium SW Flange - Socket Welding Flange


           1.6 Th FLG - Thread Flange


Titanium TH Flange - Thread Flange

             1.7 LJ/PJ/SE - Lap Joint Flange



Titanium LJ/PJ/SE Flange - Lap Joint Flange




                1.8 BL FLG - Blind Flange

 
GR5 BL Flange - Blind Flange 





2. Titanium Flange Sealing Surface / Tpye of Facing

2.1  RF - Raised Face Flange

 RF Flange Grade2
2.2 FF - Flat Face Flange



 FF-Flat Face Flange





2.3 FM /M - Male & Female Flange







2.4 TG - Tongue & Groove Flange

titaniumalloy@bjmkgs.com


2.5 RTJ - Ring Joint Flange





3. Class & PN  -- Pessure Rating


3.1  American Standard:
        150LB, 300LB, 400LB, 600LB, 900LB, 1500LB, 2500LB


3.2 Germany Standard:
        PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160


3.3 Chinese Standard
        PN0.6, PN1.0, PN1.6, PN2.5, PN4.0, PN5.0, PN6.3, PN10, PN11
        PN15, PN26, PN42




4. Common Titanium Flange Materials
   Commercial Pure Titanium : Grade2, Grade7
   Titanium Alloy : Grade5 (Ti-6AL-4V)



5. Common Titanium Flange Diameter
                     ASME B16.5    1.2" ~ 48"
                                                 DN100 ~ DN1200




6. Table in both Chinese and English





Above are all the information about flange type and sealing surface.

If you want to know more about Titanium Flange please don't hesitate to contact us at titaniumalloy@bjmkgs.com. 


























2016年3月11日星期五

Exotic Metals Chemical Equipment

As we know, Chemical Equipment generally including:
1. Dehydration column
2. Sulfuric Acid Cooler
3. Nitric Acid Cooler
4. Super Heater
5. Annonium Sparger Ring
6. Acid Evaporator
7. Nitric Acid Condenser
8. Chlorine Vaporizers
9. Sulfuric Acid Coolers
10. Pressure Vessels & Custom Fab


Exotic Metals generally including:

1. Titanium
2. Tantalum
3. Niobium
4. Zirconium

Now, let's see what advantages of these exotic chemical equipment have?


First: Titanium Chemical Equipment



Titanium (Ti), is one of the most resistant materials to the effects of salt water corrosion and is virtually immune to atmospheric corrosion. Titanium can withstand the corrosive effects of metallic salts, chlorides, hydroxides, nitric and chromic acids. Titanium has been proven effective in a number of industires including, chemical, petrochemical and marine industries.


Second: Tantalum Chemical Equipment


Tantalum (Ta), forms an extremely stable, protective oxide film making it one of the most corrosion resistant metals known. Below 300° F it is inert to all concentrations of hydrochloric, nitric, sulfuric and phosphoric acids (up to 85%)


Thrid: Niobium Chemical Equipment



Niobium (Nb), also refereed to as Columbium, is very similar to tantalum. It has the lowest melting point of all the refractory metals covered, the lowest modulus of elasticity and thermal conductivity, and the highest thermal expansion. It also has the lowest strength and lowest density of the refractory metals.



Last: Zirconium Chemical Equipment




Zirconium (Zr), is extremely adherent, stable oxide film gives it the characteristic of excellent chemical resistance to many aggressive chemical reagents. It exhibits good corrosion resistance to alkalis and acids. It resists nitric acid in concentrations up to 95% and temperature to 400° F. Zirconium fights attack by most alkalis, organic compounds and organic acids. It has excellent resistance to seawater and brackish water.


Welcome to contact me at titaniumalloy@bjmkgs.com

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2016年1月3日星期日

16. is titanium a metal 17. titanium strongest metal 18. titanium alloy products list 19. buy titanium / buying titanium / titanium purchase

16. Is titanium a metal?


Titanium is the ninth most abundant metal in Earth's crust, according to Chemicool, but it wasn't discovered until 1791. English amateur geologist Rev. William Gregor discovered some black, metallic sand in a creek bed, analyzed it and discovered it to be a mixture of manetite, a common form of iron oxide, and a new metal. Gregor called it manaccanite for the parish in which he'd discovered the sand.

Titanium is a transition metal, meaning it can form bonds using electons from more than one of its shells, or energy levels. It shares this feature with other transition metals, including gold, copper and mercury.

Titanium also is a expensive metals. and corrosion resistance metal.

titanium is a metal






17.Titanium strongest metal


Titanium resists corrosion and is particularly strong and lightweight. It's as strong as steel, but only 45 percent the weight, according to Los Alamos National Laboratory. And it's twice as strong as aluminum, but only 60 percent heavier.


titanium VS steel VS aluminum




18. Titanium alloy products list



Titanium (Alloy) Bars & Rods;   ASTM B348
Titanium (Alloy) Plates & Sheets;    ASTM B265
Titanium (Alloy) Forgings;     ASTM B381
Titanium (Alloy) Tubes;    ASTM B861 & ASTM B862
Titanium (Alloy) Pipe Fittings;   ASTM B363, ASME B16.9
Titanium (Alloy) Wires   ASTM B348
Material: GR1, GR2, GR5, GR7, GR9...

Titanium Product Lists





19. Buy Titanium / titanium purchase


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Precision Machining Titanium Supplier



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