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Nickel Alloy Powder
Nimonic 90/UNS N07090/W. Nr. 2.4632 Bar Sheet Tube/Pipe
Overview
NIMONIC alloy 90 (UNS N07090/W. Nr. 2.4632) is a wrought nickel-chromium-cobalt base alloy strengthened by additions of titanium and aluminum. It has been developed as an age-hardenable creep- resisting alloy for service at temperatures up to 920°C (1688°F.） It is widely used and a well proven alloy in high temperature conditions. Some typical applications for Nimonic® 90 include turbine blades, discs, forgings, ring sections, hot-working tools and other extreme environments.
Limiting Chemical Composition, %
Nickel....................................................................................................................................................................................... Balance.
Manganese.............................................................................................................................................................................1.00 max.
Silicon......................................................................................................................................................................................1.00 max.
Carbon ....................................................................................................................................................................................0.13 max.
Copper.....................................................................................................................................................................................0.20 max.
Iron...........................................................................................................................................................................................1.50 max.
Chromium...........................................................................................................................................................................18.00-21.00
Titanium...............................................................................................................................................................................2.00----3.00
Aluminum..............................................................................................................................................................................1.00---2.00
Cobalt.................................................................................................................................................................................15.00--21.00
Boron.......................................................................................................................................................................................0.02 max.
Sulfur.....................................................................................................................................................................................0.015 max.
Lead.......................................................................................................................................................................................0.002 max.
Ziconlum..................................................................................................................................................................................0.15 max.
Physical Constants
Below are some physical constants and thermal properties of
Density |
Mg/m3...................................................................................8.18 |
lb/in3....................................................................................0.296 |
|
Melting Range |
Liquidus temperature, °C......................................................1370 |
Solidus temperature, °C........................................................1310 |
Mechanical properties
|
condition |
Approximate tensile strength |
Approximate operating temperature |
||
|
N/mm² |
ksi |
°C |
°F |
|
|
annealing |
800 – 1000 |
116 – 145 |
||
|
Annealing and aging treatment |
1200 – 1400 |
174 – 203 |
550 |
1020 |
|
Elastic tempering |
1300 – 1500 |
189 – 218 |
||
|
Elastic tempering + aging treatment |
1500 – 1800 |
218 – 261 |
350 |
660 |
|
The above-mentioned tensile strength is a typical value. If you need a different value, please email for details. | ||||
Tensile-properties
Heat treatment 8 h/1080°C(1975°F)/AC + 16 h/700°C(1290°F)/AC | |||||||||
Temperature |
0.1% Proof Stress |
0.2% Proof Stress |
Tensile Strength |
Elongation on 5.65 |
Reduction of Area, |
||||
°C |
°F |
MPa |
10³ ksi |
MPa |
10³ ksi |
MPa |
10³ksi |
√So, % |
% |
20 |
68 |
729 |
106 |
752 |
109 |
1175 |
170 |
30 |
47 |
100 |
212 |
723 |
105 |
742 |
108 |
1148 |
167 |
27 |
46 |
200 |
392 |
689 |
100 |
708 |
103 |
1111 |
161 |
28 |
46 |
300 |
572 |
664 |
96 |
681 |
99 |
1087 |
158 |
29 |
48 |
400 |
752 |
661 |
96 |
678 |
98 |
1081 |
157 |
32 |
49 |
500 |
932 |
657 |
95 |
672 |
98 |
1038 |
151 |
31 |
49 |
600 |
1112 |
657 |
95 |
675 |
98 |
1027 |
149 |
26 |
47 |
700 |
1292 |
621 |
90 |
640 |
93 |
899 |
130 |
18 |
28 |
800 |
1472 |
510 |
74 |
532 |
77 |
657 |
95 |
18 |
26 |
900 |
1652 |
288 |
42 |
306 |
44 |
349 |
51 |
30 |
51 |
1000 |
1832 |
45 |
7 |
48 |
7 |
76 |
11 |
130 |
99 |
Corrosion Resistance
Nimonic alloy 90 has excellent creep resistance, high creep rupture strength and good ductility. With high chromium content, Alloy 90 offers a good resistance to high temperature corrosion and oxidation resistance.
Heat Treatment
The heat treatments recommended are as follows: Bar 8 h/1080°C(1975°F)/AC + 16 h/700°C (1290°F)/AC Sheet 3 min/1150°C(2100°F)/FBQ or WQ + 1 h/925°C(1700°F)/AC + 4 h/750°C (1380°F)/AC Welded sheet 3 min/1150°C(2100°F)/FBQ or WQ + weld + 1 h/925°C(1700°F)/AC + 4 h/750°C(1380°F)/AC Interstage anneal of sheet 20 min/1040°C (1900°F)/AC or WQ
Forms
We provide you with a variety of product forms, including but not limited to
Bar/Rod
Pipe/Tube
Coil/Strip
Plate/Sheet/Circle
Wire
Fitting (Flange, Elbow, Tee...)
Customize
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