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.
|