Nimonic 75
NIMONIC alloy 75 is an 80/20 nickel-chromium alloy with controlled additions of titanium and carbon. First introduced in the 1940s for turbine blades in the prototype Whittle jet engines, it is now mostly used for sheet applications calling for oxidation and scaling resistance coupled with medium strength at high operating temperatures. It is still used in gas turbine engineering and also for industrial thermal processing, furnace components and heat-treatment equipment. It is readily fabricated and welded.
Nimonic 75 chemical composition:
|
Ni |
Cr |
Ti |
C |
Si |
Cu |
Fe |
Mn |
|
Bal |
18.9-21 |
0.2-0.6 |
0.08-0.15 |
1.0 max |
0.5 max |
5.0 max |
1.0 max |
Nimonic 75 Mechanical Properties: (Alloy 75 sheet at 1925℉ annealed)
|
Test Temp ℉ |
Tensile Strength (Ksi) |
Yield Strength (Ksi) 0.2% |
Elongation in 2” |
|
Room |
114.4 max |
59.4 |
31 |
|
1000 |
105.6 max |
51.9 |
27 |
|
1200 |
69.3 max |
40 |
32 |
|
1400 |
41.4 max |
22 |
75 |
|
1600 |
20.2 max |
9.9 |
90 |
|
1800 |
9.7 max |
4.4 |
91 |
Nimonic 75 Standards:
|
Bar, rod and wire rod |
BS HR 5, BS HR 504, DIN 17752, AECMA PrEN2306, AECMA PrEN2307, AECMA PrEN2306, AECMA Pr EN2307, AECMA PrEN2402, ISO 9723, ISO 9724, ISO 9725, MSRR 7004 |
|
Plate, strip, sheet |
BS HR 203, DIN 17750, AECMA PrEN2293, AECMA PrEN2302, AECMA PrEN2411, ISO 6208, MSRR 7104 |
|
Pipe and tube |
BS HR 403, DIN 17751, AECMA PrEN2294, ISO 6207 |
|
other |
DIN 17742, AECMA PrEN2308, Werkstoff Nr 2.4630, W. Nr 2.4951, UNS N06075, Nimonic 75 (tradename), MSRR 7104 and MSRR 7004, AFNOR NC 20T |