Ni-Span-C Alloy 902 is a well-known nickel-iron alloy with a controllable thermoplastic coefficient which is the alloy’s outstanding characteristic.
It is precipitation hardenable and could be processed to have a constant modulus of elasticity at temperatures from -50 to 150°F(-45-65°C).
NI-SPAN-C nickel-iron-chromium alloy 902 is designated UNS N09902. The alloy is produced in the form of round bar, strip, wire, thin gauge strip, round tube. Special Bourdon tubular is available from convertors.
Ni-Span-C Alloy 902 has a reasonably high degree of corrosion resisitance in mild industy atmospheres but will rust in moist air.
Typical chemical composition
Iron: Remainder
Nickel + Cobalt: 41.00- 43.50
Chromium: 4.90-5.75
Titanium: 2.20-2.75
Aluminum: 0.30-0.80
Carbon: 0.06 max
Manganese: 0.80 max
Silicon: 1.00 max
Phosphorus: 0.040 max,
Sulfur: 0.040 max
Spec
- SAE AMS 5221 - Strip, solution annealed
- SAE AMS 5223 - Strip, 10% cold rolled
- SAE AMS 5225 - Strip, 50% cold rolled
Key Features
- Outstanding controllable thermoelastic coefficient characteristics
- Can be processed to have constant modulus of elasticity from from -45 to +65°C (-50 to +150°F)
- Age hardenable
Application
Ni-Span-C Alloy 902 is used in many types of precision apparatus where elastic members are subject to temperature fluctuations.
Resonant vibrating systems such as electro-mechanical filters, tuning forks and vibrating reeds are typical examples of devices where a constant frequency is desired. A zero TEC material may be used for the vibrating member or a slightly positive or negative TEC may be chosen to
compensate for thermal drift due to other components in the device.
Another major application is springs. Here the constant TEC property makes deflection independent of temperature.
Examples are Bourdon tubes, aneroid capsules, geophysical instruments, hairsprings for timing devices, diaphragms, and springs for weighing instruments.
Forms of supply
- Round bar
- Strip
- Wire
- Thin gauge strip
- Round tube
- Plate
About XUNSHI
Suzhou Xunshi New Material Co. Ltd- referred as XUNSHI hereafter, is a professional manufacturer of high-performance alloy products. XUNSHI is engaged in supplying high quality and cost-effective Superalloy, Anti-Corrosion Alloy, Precision Alloy, Special Stainless Steel and Magnetostrictive Material to customers worldwide.
Why XUNSHI
· Highly experienced in alloy industry
· Top experts of industry in China
· Advanced technology and process from top famous institutes in China
· Advanced devices through whole production and inspection process
· Strict quality control system
· Company motto: best service, most value
· Smart sales policy
Service Items of XUNSHI
· Non-standard product research and pre-production
· Fabrication of products
· Cutting, splitting for sheets and plates in stock
· Heat treatment (Solution treatment, aging harden treatment, anneal, spring temper, quench etc.)
· Surface finish (peeling, gridding, polishing)
· Logistics service
· Customized packing service (also for exporting)
· Import and export (XUNSHI is certificated)
· Document translation
· Hard-to-find material sourcing
Customers of XUNSHI
Customers of XUNSHI are all over China (Taiwan and Hong Kong included). And we are exporting to USA, Canada, Italy, UK, Poland, Greece, Russia, Turkey, Iran, Israel, South Africa, South Korea, North Korea, India, Argentina, and Brazil and so on. Customers from 30+ countries trust us.
Where is XUNSHI
A- XUNSHI is in Huaqiao, Kunshan, 215332 China, which is very closed to Shanghai.
B- Xunshi is around 80KM from Shanghai Pudong International Airport (PVG).
C- 20KM from Shanghai Hongqiao Airport
D- 20KM from Shanghai Hongqiao Railway Station
E- You can contact XUNSHI sales for a pickup service.
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Ni-Span-C Alloy 902 N09902 Nickel Alloy Seamless Tube For Bourdon Tubular Images
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