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Special offert powder alloys

Ready to ship NT® powder alloys

All listed powder alloys are available and ready to be shipped ...

Alloy type Amount Charge Graining Chemical analysis
C Si Mn P S Cr Mo Ni W Fe B Nb V
NT® Stellite 6 390 kg 183459 53 – 150 µm 1,200 1,180 - 0,007 0,008 28,040 0,030 0,860 4,670 1,030 - - -
NT® Stellite 21 200 kg 177536 53 – 150 µm 0,300 1,000 0,100 0,006 0,010 26,610 5,400 3,000 - 2,200 - - -
NT® Stellite 12 HC 1000 kg 238085 53 – 150 µm 1,920 1,300 0,430 0,010 0,015 30,100 0,080 1,600 8,400 1,600 - - -
NT® Stellite 12 900 kg* 228591 53 – 150 µm 1,590 1,280 0,190 0,007 0,009 29,460 0,090 1,340 9,000 1,620 - - -
NT® Inconel 625 200 kg 216168 53 - 150 µm 0,030 0,450 0,120 0,001 0,013 21,350 8,860 Basis - 4,500 - 3,250 -

Copper alloys

NT® Copper-based metal powder

BRAND NT® Weld metal
standard analysis %		 Hardness Applications and properties Process
NT® Cu85 C
Si
Al
Ni
Fe		 < 0,01
< 0,1
10,0
5,0
1,0		   Alloys for joining and weld surfacing of base metals with similar composition, manganese-silicon bronzes and some copper-nickel alloys; well suited for welding of joints on steel and copper; weld metal resistant to sea water PTA
PS
HVOF
NT® Cu90 C
Si
Al
Fe		 < 0,01
< 0,1
10,0
1,0		  
NT® CuSi3 C
Si
Mn		 < 0,01
3,0
1,1		   NT® CuSi3: alloy for joining of copper, copper-silicon, and copper-zinc alloys by welding; well suited for welding of joints on steel and copper, as well as for weld surfacing of steel; high-temperature- and corrosion resistant; also suitable for plasma-powder brazing of electrolytically or hot-dip- galvanised sheet metal PTA
PS
HVOF
NT® CuSn10 C
Si
Mn
Sn		 < 0,01
0,3
0,3
10,0		   NT® CuSn10: alloy for joining and weld surfacing of bronzes; for obtaining ductile and pore-free weld metal with a controlled phosphorus content PTA
PS
HVOF
NT® CuAl8 C
Al
Ni
Mn
Fe		 < 0,01
8,0
< 0,8
< 1,0
< 0,5		   NT® CuAl8: alloy for joining and weld surfacing of Al bronzes, brass, steel, and grey cast iron, as well as for MIG brazing of steel and stainless steel with and without cladding; well suited for joining of steel and copper by welding PTA
PS
HVOF
NT® CuAl8Ni6 C
Al
Ni
Mn
Fe		 < 0,01
8,0
4,5
1,0
3,5		   Alloy for Cu-Al-Ni materials and for cast and forged components of nickel-aluminium bronzes; weld surfacing of Al-bronzes and steels, as well as multicomponent alloys; very high resistance to sea water (for instance, for weld surfacing of marine screw propellers); high resistance to wear and abrasion; well suited for bearings, valves, turbines, pumps, etc. PTA
PS
HVOF

Further powder alloy types available on request.

Nickel superalloys

NT® Nickel-based super-alloy metal powders

BRAND NT® Weld metal
standard analysis, %		 Hardness Applications and properties Process
NT® IN 600 C
Cr
Si
Fe		 < 0,1
16,0
< 0,5
8,0		 170 HV A nickel-chromium alloy with high resistance to oxidation at high temperature, as well as resistance to stress-corrosion cracking in the presence of chloride ions and to corrosion in ultrapure water and alkaline media; applications in industrial furnaces, heat-treatment facilities, petrochemical and other processing plants, as well as gas-turbine components PTA
PS
HVOF
NT® IN 625 C
Si
Cr
Fe
Mo
Nb
Ti
Al		 < 0,1
1,0
22,0
< 5,0
9,0
3,5
< 0,4
< 0,4		 200 HV A Ni-Cr-Mo alloy with the addition of niobium, for hardening of the alloy matrix together with molybdenum, and thus ensuring high strength without the need of additional heat treatment; resistant to numerous highly corrosive media and especially to pitting and crevice corrosion; weld surfacing of components for the chemical industry, marine valves, components for off-shore operations, oil exploration, valves and fittings; corrosion-resistant weld surfacing and cladding of grey cast iron PTA
PS
HVOF
(NT® IN 713C) C
Cr
Mo
Nb
Ti
Al		 0,012
12,5
4,2
2,0
0,8
6,0
Further development of the alloy NT® IN 718, characterised by increased high-temperature and oxidation resistance PTA
PS
HVOF
NT® IN 718 C
Cr
Mo
Nb
Fe
Ti
Al		 < 0,08
19,0
3,0
5,2
18,0
0,8
0,5
A nickel-chromium alloy with substantial contents of iron, niobium, and molybdenum in combination with lower contents of aluminium and titanium, capable of precipitation hardening; corrosion resistance and high strength in combination with great ease of welding, including high resistance to cracking upon welding; very high creep-rupture strength at temperatures up to 700 °C; application in gas turbines, rocket propulsion units, spacecraft, and nuclear reactors PTA
PS
HVOF
NT® IN 825 C
Si
Cr
Fe
Mo
Ti		 < 0,03
< 0,5
21,0
30,0
3,0
1,0		 155 HV A Ni-Cr-Mo alloy with added molybdenum and copper; very high resistance to reducing as well as oxidising acids, stress-corrosion cracking, as well as pitting and crevice corrosion; especially resistant to sulphuric and phosphoric acids; application in chemical process technology, in air-purification plants, in transport pipelines for oil and gas, in acid-production facilities as well as pickling plants PTA
PS
HVOF
NT® HA C-4 C
Si
Mn
Cr
Fe
Mo
Ti
Co		 < 0,01
< 0,08
< 1,0
16,0
< 3,0
15,5
< 0,7
< 2,0
High-temperature-resistant in the range from 650 to 1040 °C; characterised by high ductility and corrosion resistance PTA
PS
HVOF
NT® HA C-22 C
Si
Cr
Fe
Mo
W
V
Co		 < 0,02
< 0,08
22,0
4,0
13,0
3,0
< 0,35
< 2,5		 180 HV NT® HA C-22: characterised by higher corrosion resistance in an oxidising atmosphere than NT® HA C-4, NT® HA C-276, and NT® IN 625; especially high resistance to pitting corrosion and stress-corrosion cracking PTA
PS
HVOF
NT® HA C-276 C
Si
Cr
Fe
Mo
W
V
Co		 < 0,01
< 0,08
15
5,0
16,0
3,0
0,35
< 2,5		 180 HV Corrosion-resistant Ni-Cr-Mo alloy with added tungsten for a wide range of applications; very high resistance to corrosion in numerous aggressive media; especially resistant to pitting and crevice corrosion because of the high molybdenum content; decreased carbide precipitation during welding because of the low carbon content, and thus retention of the corrosion-resistant property after welding; application in environmental protection and chemical process technology, cellulose and paper manufacturing as well as waste-recycling plants PTA
PS
HVOF
NT® Udimet® 520 C
Cr
Mo
Al
Ti
W		 0,05
19,0
6,0
2,2
3,2
1,0
Nickel super-alloy, capable of precipitation hardening, with extraordinary properties of mechanical strength and corrosion resistance at operating temperatures between 600 and 1050 °C; for the manufacture and regeneration of components subjected to high temperatures; special strength properties at the intended operating temperatures as a result of weld hardening associated with the γ’ phase Ni3(Ti, Al) after a multistage heat treatment, among other factors; for weld surfacing and regenerative welding over extensive areas, for instance, on hot piercing plugs, extruders, and hot-shaping tools, such as forging hammers, dies, and saddles PTA
PS
HVOF

Further powder alloy types available on request.

Tungsten carbide

NT® Powder mixtures with tungsten carbide

BRAND NT® Weld metal
Standard analysis, %		 Hardness Applications and Properties Process
NT® NiBSi+WSC C
Si
Ni
B
W		 2,3
1,8
37,6
1,8
Remainder		 > 60 HRC Mixture of self-flowing NiBSi alloy of medium hardness (50 HRC) with angular tungsten carbides in a ratio of 40/60; increase in hardness by dispersion of tungsten carbide in the matrix for effectively enhancing the wear resistance; excellent working and machining properties by virtue of the self-flowing feature; alloy concept very well suited for components subject to extremely severe wear, such as tools employed in open-pit mining or oil production; highly economical operation because of the very long service life PTA
PS
HVOF
NT® NiBSi+WSC-S C
Si
Ni
B
W		 2,3
1,8
37,6
1,8
Remainder		 > 60 HRC Similar to NT® NiBSi+WSC, but containing globular tungsten carbides in a ratio of 40/60; improved wetting properties in the matrix in comparison with angular tungsten carbide PTA
PS
HVOF
NT® NiCrBSi+WSC C
Si
Ni
Cr
B
W		 2,5
2,6
Remainder
9,6
2,1
38,0		 > 60 HRC Mixture of very hard (60 HRC) self-flowing NiCrBSi alloy with angular tungsten carbides in a ratio of 60/40 PTA
PS
HVOF
NT® NiCrBSi+WSC-S C
Si
Ni
Cr
B
W		 2,5
2,6
Remainder
9,6
2,1
38,0		 > 60 HRC Similar to NT® NiCr-WSC, but containing globular tungsten carbides in a ratio of 60/40 PTA
PS
HVOF

Further powder alloy types available on request.

 

Custom made PTA - Hard coating using NiBSi + Tungsten carbide (TC)

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Nickel alloys

NT® Nickel-based metal powders

BRAND NT® Weld metal
standard analysis %		 Hardness Applications and properties Process
NT® Ni20 C
Si
B
Fe		 < 0,2
2,5
1,5
< 1,0		 20 HRC Self-flowing NiBSi alloy with a low hardness value for the repair of cast iron machine components, such as valves and fittings, sealing seats, cylinder heads, valve seats, shaft-protector sleeves, sealing clacks and gates, elbows, pump components, pulleys and rolls, etc.; very easily workable and machinable PTA
PS
HVOF
NT® Ni25 C
Si
B
Fe		 < 0,5
2,5
1,7
< 1,0		 25 HRC Similar to NT® Ni40, but with increased hardness of 25 HRC because of the higher contents of C and B PTA
PS
HVOF
NT® Ni35 C
Si
B
Cr
Fe		 0,3
3,5
1,3
6,0
2,0		 33 HRC Self-flowing NiCrBSi alloy with good thermal, mechanical and corrosion-resistant properties; recommended applications: valves, pump components, guide pulleys, glass moulds, etc. PTA
PS
HVOF
NT® Ni40 C
Si
B
Cr
Fe		 0,25
3,5
1,3
6,0
2,0		 42 HRC

600°C
220 HV		 High shock resistance, very effective protection against abrasive and seizing wear, as well as corrosion, und also easy machinability; hard facing of surfaces or edges on forging dies, glass moulds, as well as valves and fittings, pump pistons, and guiding devices PTA
PS
HVOF
NT® Ni50 C
Si
B
Cr
Fe		 0,45
3,8
2,3
11
2,5		 52 HRC

600°C
278 HV		 Self-flowing, hard NiCrBSi alloy for the application of corrosion- and wear-resistant claddings; still capable of machining PTA
PS
HVOF
NT® Ni60 C
Si
B
Cr
Fe		 1,0
4,0
3,2
15,0
4,0		 60 HRC

600°C
370 HV		 Hard, nickel-based alloy with extremely high resistance to wear and corrosion, such as that resulting from the presence of chromium and borides as well as carbides; low coefficient of friction PTA
PS
HVOF
NT® NiBSi C
Si
B
Fe		 < 0,03
3,0
3,0
< 0,4		 50 HRC Hard, chromium-free nickel alloy with good wetting and flow properties; very well suited for use as matrix material in pseudo-alloys (reinforcement by carbides) PTA
PS
HVOF
NT® NiAl 95 5 C
Al		 < 0,03
5		 - For use as primer in thermal spraying PTA
PS
HVOF
NT® NiCr 80 20 C
Si
Cr		 0,1
0,6
20,0		 170 HB

High resistance to high-temperature oxidation and to corrosion in many media; also ideal for use as moderating layer before the application of hard cover passes for avoiding or reducing crack formation

 PTA
PS
HVOF
NT® NiCr70Nb C
Si
Cr
Fe
Mn
Nb		 < 0,03
0,3
20,0
1,5
3,0
2,5		 170 HB Suited for the application of moderating layers – properties similar to those of NiCr 80 20 PTA
PS
HVOF

Further powder alloy types available on request.