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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.