Tungsten Carbide Valve Gate

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Selling leads
Tungsten Carbide Valve Gate
Posting date : Aug 12, 2019
Membership
Free Member Scince Sep 30, 2018
FOB Price
-
Min. Order Quantity
100 sets
Supply Abillity
40000 sets per year
Port
Shanghai
Payment Terms
T/T, L/C
Package
wooden case
Keyword :
Category
Contact
Aaron
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
KAITIANFU
HS-CODE
-
Package & Delivery Lead Time
Package
wooden case
Delivery Lead Time
60 days
Detailed Description
Valve Gate: The core parts of flat gate valves used in the petrochemical industry require high pressure, wear resistance, corrosion prevention against H2S and CO2, especially wellhead and Christmas tree valves have higher requirements.
Tungsten carbide is one of the most important raw materials for cemented carbide. It's a black hexagonal crystal with metallic luster, chemical stability, hardness and diamond similarity, and it's also a good conductor of electricity and heat. In tungsten carbide, carbon atoms are intercalated into the gap of the tungsten metal lattice without destroying the crystal lattice of the original metal, thereby forming a gap solid solution, and thus the tungsten carbide is also called an interstitial compound (or an intercalation compound). Tungsten carbide is suitable for machining at high temperatures-- it can make cutting tools, structural materials for kiln, jet engines, gas turbines, nozzles, etc.
The hardness of cobalt-based carbonized tungsten alloy powder or nickel-based carbonized tungsten alloy powder and chromium-based carbonized tungsten alloy powder sprayed by HVOF tungsten carbide coating can reach 850 degrees of high temperature of HV1200. Therefore, the valve parts are resistant to abrasive, corrosion, high temperature and oxidation. The process exceeds the processes of manual surfacing, chrome plating, carburizing, quenching and tempering, etc., so that the production efficiency can be increased by more than 2 times, the production cost can be reduced by more than 50%, and the service life can be extended by several tens of times.

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