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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.