Nickel Alloy Nimonic 90 UNS N07090 2.4632 Round Bar

Nickel Alloy Nimonic 90 UNS N07090 2.4632 Round Bar

NIMONIC alloy 90 ( UNS N07090, EN 2.4632, 2.4969 ) 
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
 

Material NIMONIC 90 offers the following key features:

• High stress rupture strength and high creep resistance at high temperatures
• Good resistance to high-temperature corrosion and oxidation
• Age hardenable
• High temperature dynamic applications

Nimonic 90 is a precipitation hardenable Nickel-Chromium-Cobalt alloy with high strength at temperatures

up to 1300°F (704°C) and creep and oxidation resistance up to 1688°F (920°C).

Industries served
Oil & Gas Extraction and Processing, Nuclear, Aerospace, Power Generation and Automotive, fasteners.

Springs operating from ambient temperatures up to 1112°F (600°C), fasteners and components requiring

resistance to high temperature and corrosive environments.

Chemical composition %

Specifications
Wire & Bar: AMS 5829, BS HR 501, BS HR 502, BS HR 503, BS 3075- NA19,

NACE MR0175 / ISO 15156-3, NACE MR0103

Typical Mechanical Properties – Spring Applications
Solution Treated
Heat Treatment: 1922 – 2012°F (1050 – 1100°C) + WQ
Tensile Strength: 157 ksi max; (1080 MPa) max

Spring Temper
Heat Treatment: As supplied condition.
Tensile Strength: 189 – 223 ksi; (1300-1540 MPa)

Spring Temper + Aged
Heat Treatment: After spring coiling. Age: 1202°F (650°C) for 4 hours.

Alternatively, Age at 1112°F(600°C) for 16 hours and air cool.
Tensile Strength: 189 – 260 ksi; (1300 – 1800 MPa)
Suggested Operating Conditions: Optimum stress and low relaxation at temperatures up to 700°F (371°C)

Solution Treated + Aged
Heat Treatment: After spring coiling: Solution Heat Treat: 1976°F (1080°C) followed by rapid cooling

+ Age at 1382°F (750°C​) for 4 hours and air cool.

Alternatively, Age at 1292°F (700°C) for 16 hours and air cool
Tensile Strength: 145 – 203 ksi; (1080 – 1400 MPa)
Suggested Operating Conditions: Optimum resistance to relaxation at temperatures up to 1112°F (600°C)

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