What is WC10CO4CR 86%WC+10%Co+4%Cr

       

Tungsten carbide cobalt chromium powder,
which is composed of WC10Co4Cr, is another important wear-resistant spraying
material after WC12Co. Compared with WC12Co powder, WC10Co4Cr coating not only
has wear resistance, but also has certain corrosion resistance. When there is
not only wear but also corrosion under working conditions, WC10Co4Cr should be
the best choice. WC10Co4Cr is a medium granular tungsten carbide with carbon
content of 5 ~ 6%; The maximum working temperature is 500 ℃, and the cobalt
chromium bonded phase shows better corrosion and wear resistance than the
cobalt bonded phase; Suitable for aqueous solution and humid corrosive
environment; Hard chromium plating substitute; Used in roll, ball valve and
oilfield equipment.

The inherent characteristics of WC Co
coating are wear-resistant particle wear, erosion wear and micro vibration
wear. After the introduction of Cr element, it provides corrosion resistance.
This kind of material is the best substitute to replace hard chromium plating.
When human beings have higher and higher requirements for the environment, hard
chromium plating is declining, which sets up a platform for the wide
application of WC10Co4Cr.

Performance parameters:

Co		(%)	:	9.3-9.8
Ni		(%)	:	0.4-0.5
Cr		(%)	:	3.6-4.4
Fe		(%)	:	0.4-0.6
Ct		(%)	:	5.5-5.7
W			:	balance

Loose density: 5.8-6.5g/cm3

Hall flow rate: 11.00-13.00s/50g

HVOF：Sulzer Metco
Diamond Jet®, Sulzer Metco Woka Jet®, Sulzer Metco WokaStar®Praxair/ Tafa JP
-5000

Service life: after spraying, grinding and
polishing, it can be tested under metallographic microscope. The smaller the
grain size, the higher the coating hardness. Generally, it can prolong the
service life of parts by 20 or even 30 years.

Application: supersonic flame spraying is
recommended. The coating can produce compressive stress on the substrate, with
high bonding strength, smooth and dense, hard and wear-resistant. It is
suitable for supersonic spraying, plasma spraying and other processes. It is an
ideal substitute for hard chromium plating. The coating has compressive stress,
good corrosion resistance, wear resistance and erosion resistance, and high
surface finish. It is used in wet corrosive environment, aircraft landing gear,
papermaking process, hydraulic cylinder and valve industry.

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