Elgiloy Phynox Non-Magnetic Superelastic Alloy Cobalt Chromium Nickel Molybdenum Cold Drawn Wire

Elgiloy Non-magnetic Cobalt-Chromium-Nickel-Molybdenum Alloy Cold Drawn Wire

PHYNOX is an non-magnetic austenitic alloy strengthened by cold work and capable of additional hardening by aging at a moderate temperature (around 500°C). In the fully hardened condition, its elastic modulus is around 210 000 MPa, with UTS levels up to 2500 MPa on cold rolled strip. In addition to its very high yield strength, PHYNOX offers a range of physical, chemical and technological properties that make it appropriate for a wide variety of applications.

Chemical composition(%, wt)

• C: 0.15 max.
• Mn: 1.5-2.5
• Si: 1.2 max.
• P: 0.015 max.
• S: 0.015 max.
• Cr: 19.0-21.0
• Ni: 14.0-16.0
• Co: 39.0-41.0
• Mo: 6.0-8.0
• Be: 0.1 max.
• Fe: remainder

Specifications

• ASTM F1058
• AMS 5876
• Nace MR 0175
• UNS R30003
• Nr 2.4711
• Elgiloy
• Phynox

Characters of Phynox

• Exceptional resistance to corrosion, stress corrosion cracking and hydrogen embrtittlement.
• Good fatigue stregth.
• The absence of aging in service.
• The absence of magnetism.
• Ability to be used over a wide range of temperatures, from liquid helium to about 500°C.
• Perfect passivity in contact with human tissues.
• The possibility of increasing the strength of parts by age hardening after forming, leading to strength levels unattainable with other materials.
• The absence of brittleness at low temperatures (no transition temperature).
• A maximum service temperature about 100°C higher than for stainless steels.
• A corrosion resistance vastly superior to that of molybdenum containing stainless steels.
• A very high yield strength that combined with a high elastic modulus in both tension and torsion, enables the storage and rapid release of large amounts of elastic energy.

Applications

• Aeronautical and aerospace equipment
• Automotive ABS systems
• Automotive injection systems
• Electrical and electronic apparatus
• Equipment for the chemicals and oil & gas industries
• Flexible coupling
• Pacemaker electrodes
• Printer springs
• Prostheses for osteosynthesis
• Shaped springs (helical, etc…)
• Surgical implants and medical instruments
• Various diaphragms

Technological properties

Machinig and forming

The mechanical properties in the annealed delivery condition are similar to those of other austenitic alloys.

Machining should preferably be performed with carbide tools, since PHYNOX work hardens strongly. A moderate cutting speed should be used, with large rake angles.

Many common machining and forming operations can be carried out in the cold worked condition. In particular, the simple winding of a spring can be carried out for strain levels of up to 85 %. For more complex shaping operations, moderate cold reductions

should be chosen.

PHYNOX can be electrochemically machined, certain companies being specialized in this technique.

Welding and Brazing

PHYNOX can be readily welded, in particular by resistance spot welding, by electron beam welding and by argon arc welding. It can also be brazed. However, since age hardening can only be obtained in cold worked regions, this must be taken into account by placing the weld or braze joint in positions where it is not heavily loaded, or by using a discontinuous joint.

Pickling

Apart from mechanical descaling, the oxide film formed during heating in air can be removed by immersing the parts in a boiling aqueous solution containing 5% hydrofluoric acid and 12% nitric

acid.

Available Forms

PHYNOX is delivered in the form of cold rolled strip, cold drawn wire, hot forged round bar.

• Cold rolled strip: thickness 0.08~2.0mm, width 20~200mm.
• Cold drawn wire: diameter 0.20~5.0mm, in coil, in reel or in cut length.
• Hot forged round bar: diameter 30mm~500mm, black finish or rough machined.

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.