Common Valve Seat Coating Materials

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Common Valve Seat Coating Materials
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
Common Valve Seat Coating Materials
Valve Seat: The detachable surface parts in valve are used to support the valve spool in the fully closed position and constitute a sealed part. Generally, valve seat diameter is the maximum flow diameter of the valve.
PRODUCT PARAMETERS FOR OUR high performance valve seat
This part can be illustrated by a table shown below:
 
name
Description
Chemical composition
Max thickness
Hardness
Bond strength
Porosity
Limit temperature
Costing
characterlzation
wt.%
mm
HV0.3
MPa
%
WC-CoCr
WC86/Co10/Cr4
Co:9-11
Cr:3.5-4.5
C:3.5-4.5
W: Bal
1
1100-1500
>75
<1%
482
 Good abrasive resistance at low temperature
 Compared with WC-Co, its oxidation resistance 
and corrosion resistance are improved.
 The coating is compact and hard
WC-Co
WC88/Co12
Co:11-13
C:3.6-5.5
W:Bal
2
1050-1200
>75
<1%
454
 Good abrasive resistance at low temperature.
 Limited oxidation resistance and corrosion 
resistance.
 The coating is compact and hard.
WC-Co
WC83/Co17
Co:16-18
C:4.8-5.5
W: Bal
2
950-1100
>75
<1%
454
 Good abrasive resistance at low temperature.
 Compared with WC-12Co, its abrasive resistance 
is poor, but toughness, impact strength and ductility are better.
 The coating is compact and hard.
Cr3C2 -NiCr
75Cr3C2 /25NiCr
Ni:16-21C:9-11
Cr:11
B:2.2 
Si:4 
Fe:2.7
C:0.4
Ni:Bal
1
750-900
>75
<1.5%
871
 Good abrasive and sliding abrasive performance 
of abrasive-resistant materials at high temperatures.
 Good corrosion resistance.

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