Self-Flux / Fusing Alloy Powder

Self-Flux / Fusing Alloy PowderSelf-fluxing materials

Self-fluxing materials are first applied using a thermal spray process, such as combustion powder Thermospray, atmospheric plasma spray, or High Velocity Oxygen Fuel (HVOF) spray. While the coatings can be used “as-sprayed,” post-coat fusing is recommended to coalesce the coating.

Characteristics and benefits of fused coatings

  • Fully dense-coating microstructure
  • High coating hardness
  • Excellent wear and corrosion resistance
  • Coatings are metallurgically bonded to the substrate
  • Coatings can be ground to tight dimensions with a good finish

Self-fusing materials

For situations when post-coat fusing may distort the component or the substrate cannot tolerate the heat of the fusing process, self-fusing materials are a good alternative. These materials partially coalesce during the spray process without requiring a post-coat fusing.

Characteristics and benefits of self-fusing materials

  • Easy to use, one-step coating process
  • Very low porosity
  • Very good coating hardness
  • Very good wear and corrosion resistance
  • Bonds well to the substrate
  • Coatings can be ground to tight dimensions with a good finish

ChemistryGradeFlow DensitySizeHardnessApplication Data
Self-Flux / Fusing Alloy Powder
HRNi20A
Gas Atomized
C:0.1 Cr:4.5 Si:2.0
B:0.7
Ni:bal.
Ni20A12-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
18-22
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi22A
Gas atomized
C:0.2
Cr:1.0 Si:2.8
B:1.4
Fe:1.0
Mn:0.1
Ni:bal.
Ni22A12-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
20-24
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi25
Gas atomized
C:0.2
Cr:1.0 Si:3.5
B:1.5
Fe:8.0
Ni:bal.
Ni2512-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
22-27
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi28A
Gas atomized
C:0.1
Cr:3.0 Si:2.6
B:1.0
Ni:bal.
Ni28A12-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
26-30
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi35
Gas atomized
C:0.3
Cr:10
Si:3.5
Fe:10
B:2.0
Ni:bal.
Ni3512-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
32-37
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi37A
Gas atomized
C:0.15
Cr:4.5
Si:2.6
B:1.2
Ni:bal.
Ni37A12-17
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
35-40
HRC
Flame spray/fusing
Glass mould, various casting dies.
HRNi45A
Water atomized
C:0.4
Si:3
B:2.6
Cr:12
Fe:5
Ni:bal.
Ni45A17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
42-47
HRC
Flame spray/fusing
HVOF, Seal surface, punch,valve, piston etc.
HRNi50A
Water atomized
C:0.5
Si:3.0
B:3.0
Cr:12
Fe:5
Ni:bal.
Ni50A17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
45-50
HRC
Flame spray/fusing
HVOF, Seal surface, oil plunger and shaft etc.
HRNi55A
Water atomized
C:0.8
Si:4.0
B:3.0
Cr:14
Fe:5.0
Ni:bal.
Ni55A17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
52-55
HRC
Flame spray/fusing
HVOF, Seal surface, oil plunger and shaft etc.
HRNi60A
Water atomized
Gas atomized
C:0.9
Si:4.0
B:3.2
Cr:16
Fe:5.0
Ni:bal.
Ni60A17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
55-60
HRC
Flame spray/fusing
HVOF, good corrosion resist, high hardness, good wear resist performance, low friction coefficient.
HRNi60CuMo
Water atomized
Gas atomized
C:0.9
Si:4.0
B:4.0
Cr:16
Cu:3.0
Mo:3.0
Fe:5.0
Ni:bal.
Ni60
CuMo
17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
55-60
HRC
Flame spray/fusing
HVOF,fix, impeller, piston, valve etc.
HRNi65A
Water atomized
C:1.1
Si:4.0
B:4.0
Cr:18
Fe:5.0
Ni:bal.
Ni65A17-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
60-65
HRC
Flame spray/fusing
HVOF, higher hardness than Ni60A, wire roller, plunger, conveyor roller etc.
HRFe30
Water atomized
C:0.2
Si:3.0
B:1.5
Cr:6.0
Ni:28
Fe:bal.
Fe3018-22
s/50g
3.5-4.0
g/cm3
-106+45um
-90+45um
-45+15um
25-30
HRC
Flame spray/fusing
HVOF, excellent fatigue resist, used to non-high reqiurement of hardness normal repeat inpact.
HRFe45
Water atomized
C:0.6
Si:3.0
B:2.0
Cr:12
Ni:20
W:3.0
Fe:bal.
Fe4518-22
s/50g
3.5-4.0
g/cm3
-106+45um
-90+45um
-45+15um
40-45
HRC
Flame spray/fusing
HVOF, use for reairing valve sealing surface and repairing the war parts.
HRFe55
Water atomized
C:1.2
Si:3.5
B:2.6
Cr:22
Ni:15
Fe:bal.
Fe5518-22
s/50g
3.5-4.0
g/cm3
-106+45um
-90+45um
-45+15um
50-55
HRC
Flame spray/fusing
HVOF, harrow pieces, hoe tooth,petroleum drill pipe, scraper shaft.
HRFe60
Water atomized
C:1.5
Si:3.5
B:3.0
Cr:35
Ni:15
Fe:bal.
Fe6018-22
s/50g
3.5-4.0
g/cm3
-106+45um
-90+45um
-45+15um
55-60
HRC
Flame spray/fusing
HVOF, harrow pieces, hoe tooth,petroleum drill pipe, scraper shaft.
HRNI625
Water atomized
Gas atomized
Inconel 625
C:0.1
Si:0.5
B:0.5
Cr:21
Mo:8.5
Nb:4.0
Fe:5.0
Mn:0.5
Ni:bal.
Ni62517-21
s/50g
3.5-4.5
g/cm3
-106+45um
-90+45um
-45+15um
8-15
HRC
Flame spray/fusing
HVOF, good corrosion resst and anti-high temperature oxided performance,

 

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