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Self-fluxing powders

Self-fluxing powders
Self-fluxing alloys are universal and widely used materials in the technique of creating wear-resistant and resistant to chemical corrosion and oxidation coatings. The alloys are alloyed with boron and silicon, forming low-melting fluxes when the coating material interacts with the surface of the sprayed part. Boron and silicon reduce the melting temperature of the coating and increase the fluidity of the melt, and the presence of chromium boride solid and complex carboborides in the composition of the alloys provide the hardness and wear resistance of the coating.

Self-fluxing powder

Powder self-fluxing alloys of the Ni-Cr-B-Si system, in which carbides and borides of refractory metals (tungsten, vanadium, chromium, molybdenum) are often added to form composite alloys with higher physical-mechanical properties.

Self-fluxing alloys are universal and widely used materials in the technique of creating wear-resistant and resistant to chemical corrosion and oxidation coatings. The alloys are alloyed with boron and silicon, forming low-melting fluxes when the coating material interacts with the surface of the sprayed part. Boron and silicon reduce the melting temperature of the coating and increase the fluidity of the melt, and the presence of chromium boride solid and complex carboborides in the composition of the alloys provide the hardness and wear resistance of the coating. These positive properties of the alloys make it possible to create dense, high adhesion strength coatings on the surface of steel and cast iron products.

The following table provides information on the brands of powders and their composition

Powder type Chemical composition Self-fluxing powder,  % Coating hardness HRC
Main components Value
Ni Cu C Cr Si B Fe Other
Nickel based alloys, Self-fluxing powder
PR-ND42CR Base element 42,5 0,2 – 0,9 1 <3,0 190-230 HB
PR-NC2RP Base element – 0,05 0,35 2,15 0,7  <0,15  Р 2,0 17-21 HRС
PR-N2R Base element – 0,15 – 2,4 1,4 <1,5 90-92 HRB
PR-NC2R2 (PC 22) Base element – 0,12 0,7 2,3 1,8 <0,5 18-23
PR-NX12CR Base element – 0,3 13 2,4 1,5 <5,0 26-34
PR-NX4C3R Base element – 0,2 3,5 3,5 1,5  <3,0 30-35
PR-NX9C3R2 Base element – 0,3 9 3 1,6 <5,0 32-38
PR-NX15CR2 Base element – 0,47 15 3,1 2 <5,0  Со<0,2 38-46
42-48
PR-NX13CR3 Base element – 0,6 13 4 2,8 3,2 45-52
PR-NX7C4R3 Base element – 0,45 7 3,7 2,8  <5,0 50-52
PR-NX16CR3 Base element – 0,75 16 3,2 2,7 <5,0 47-52
PR-NX16CR-Y Base element – 0,52 15,5 3,2 2,2 <5,0 42-48
PR-NX8D6CRP (PG-AN9) Base element 6 0,85 8 2,2 2,9 <5,0 Р 0,6 48-57
PR-NX25CR3 Base element – 1,2 25 2,7 2,5 <5,0   Mn 0,2 45-51
PR-NX7C4R3MD Base element 1,8 0,45 7 3,8 2,8 <5,0 Mo 2,2 50-55
PR-NX16CR4MD3 Base element 2,7 0,5 16 4 3,8 3,5 Mo 2,7 52-58
PR-NX17CR4 Base element – 1 17 4,1 3,6 <5,0 55-60
PR-NX17CR4-Y Base element – 1 17 4,2 3,6 <5,0 56-60 H
V200 >595
PR-NX17CR4-R Base element – 0,8 17 4,2 3,1  <5,0 55-62
PR-NX18C5R4 Base element – 1,2 17,5 4,6 4,2  <5,0 60-62
Copper-based alloys
PR-BrOL8NCR 4,8 Base element – – 0,8 0,6 <2,0 Sn  8,0 140-160 HRB
Iron based alloys (Self-fluxing powder)
PR-X4GCR – 0,5 1,2 3,8 2,3 3,6 Base element V,  Mn 60-64
PG-J14 37 – 1,4 14 2,5 2,2 Base element Мо, W 38-45
PR-X11G4CR – – 0,8 11 3 2,7 Base element  Mn 4 >40
PR-N19G10CR 19 – 0,35 – 3 2,7 Base element Mn 4 40-45
PR-N9G4CR 9 – 0,5 – 1,2 2,7 Base element Mn 4 40-45

Powder particle sizes, microns

– for spraying with reflow 15-45, 20-63, 40-100, 45-106, 45-125;

– for plasma surfacing 80-160, 63-200, 100-280, 160-280, 280-400.

 

 

The price and range of  Self-fluxing powder are constantly updated, so please contact our managers to place your order quickly and correctly.

To get the price please send us a request for quotation with the required quantity and material of the powder.

 

Our full industrial  powders list:https://tradingwm.ae/product-category/metal-products/metal-powders/

Self Fluxing powders application: https://en.wikipedia.org/wiki/Flux_(metallurgy)

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