Incoloy 903
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of incoloy 903 in China. If you're going to wholesale high quality incoloy 903 made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
INCOLOY® alloy 903 (UNS N19903) is an agehardenable nickel-iron-cobalt alloy whose outstanding characteristics are a constant low coefficient of thermal expansion, a constant modulus of elasticity, and high strength.
The alloy's characteristics make it an excellent candidate for applications such as rocket-engine thrust chambers, steam-turbine bolts, springs, gage blocks, and ordnance hardware.
Mechanical Properties
INCOLOY alloy 903 has high mechanical properties at room temperature and retains much of its strength up to around 1200°F (650°C). As indicated by the impact strength, no deleterious phases were present in the alloy. All properties are reported for age-hardened material. Stress-rupture properties of the alloy are governed by thermomechanical processing. Typical stress to produce rupture in 100 h of agehardened material at 1200°F (650°C) is 85 ksi (586 MPa). Room-temperature plane strain fracture toughness (KIC) of agehardened alloy 903 is 100.6 ksi • in (111.36 MPa • m) (average of three tests).
Corrosion Resistance
Testing was conducted for 500 h at 1000°F (540°C), 1100°F (595°C), and 1200°F (650°C). The specimens were alternately exposed to the test temperature for 15 min and cooled in air for 5 min. Because alloy 903 contains no chromium, oxidation resistance may become a consideration for some hightemperature applications. In such cases, protective coatings may be desirable.
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Chemical Composition
Data Sheet
Physical Properties
| Density | g/cm3 | 8.25 | |
|---|---|---|---|
| lb/in.3 | 0.298 | ||
| Melting Range | °F | 2405 - 2539 | |
| °C | 1318 - 1393 | ||
| Curie Temperature | °F | 780 - 880 | |
| °C | 416 - 471 | ||
Mechanical Properties
| Exposure Temperature |
Yield Strength (0.2% Offset) |
Tensile Strength | Elongation | Reduction of Area | Impact Strength | ||||
|---|---|---|---|---|---|---|---|---|---|
| °F | °C | ksi | MPa | ksi | MPa | % | % | ft•lbf | J |
| 70 | 21 | 165.5 | 1141 | 198.5 | 1369 | 17 | 43 | 24 | 32.5 |
| 1100 | 595 | 169.5 | 1169 | 200.5 | 1382 | 16 | 44 | 25 | 33.9 |
| 1200 | 650 | 149.0 | 1027 | 185.0 | 1276 | 19 | 47 | 26 | 35.3 |
| 1300 | 705 | 107.0 | 738 | 149.0 | 1027 | 20 | 41 | - | - |
FAQ
Q: How do you control quality ?
A: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS,Alibaba Verified.
Q: What are the advantages of your company ?
A: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.
Q: How many coutries you already exported ?
A: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Turkey, Jordan,India, etc.
Q: Can you provide sample ?
A: Yes. We can provide the small samples in stock for free, as long as you contact us.Customized samples will take about 5-7 days.
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