Shaped, Flat, Square, Round, Fine Wire, Plated and Un-plated ASTM B551

Applications

Metal gaskets for chemical processing plants, Getter straps, Nuclear components

Description


Commercially pure Zirconium 702 exhibits good ductility even at cryogenic temperatures. It has good strength comparable with other common engineering alloys. Zirconium is a reactive metal that has a high affinity for oxygen resulting in the formation of a protective oxide layer in air at room temperature. This protective oxide gives zirconium alloys their superior corrosion resistance.


Chemistry Typical


Zirconium + Hafnium: 99.2 min
Hafnium: 4.5 max
Iron + Chromium: 0.2 max
Hydrogen: 0.005 max
Nitrogen: 0.025 max
Carbon: 0.05 max
Oxygen: 0.16 min

Physical Properties


Density: 0.235 lbs/in3, 6.51 g/cm3

Mean Coefficient of Thermal Expansion: in/in/° F (µm/m/°C):
70 - 212 °F (20 - 100 ° C) 3.2 x 10-5 (5.8)

Thermal Conductivity: BTU-in/h-ft-° F (W/m-° K): 70 ° F (21 ° C): 13 (22)

Modulus of Elasticity, ksi (mPa):
14.4 x 103 (99.2 x 103) in tension
5.25 x 103 (36.2 x 103) in shear

Melting Point: 2550 ° F (1852 ° C)

Mechanical Properties at Room Temperature

Annealed Typical

Ultimate Tensile Strength: 55 KSI min (379 MPa min)
Yield Strength (0.2% offset): 30 KSI min (207 MPa min)
Elongation: 16% min

Properties Tempered

Zirconium 702 can be cold rolled to achieve the temper properties required by specific customers and/or manufacturing requirements. Contact Ulbrich Wire for details.

Additional Properties

Corrosion Resistance

Refer to NACE (National Associate of Corrosion Engineers) for recommendations.

Standard Wire Finishes

Extra Clean: (XC) Extra clean is also referred to as "bright annealed" or "bright annealed and cold rolled"

Grease (round wire only): Drawn in a heavy grease produces an "Ultra bright" finish for decorative applications

Soap (round wire only): Soap is used as a lubricant in the drawing process and is not removed. It acts as a lubricant during customer part forming operation. A soap finish is available in tempered products.

Plated: Many plating options are available.

*Special finishes are available: Contact Ulbrich Wire Sales with special finish and plating requests.

Forms

Continuous Coils

Cut to lengths

Precision cutting

Welding

For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.



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