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Hastelloy® G-3 (Alloy G3), UNS N06985

Shaped, Flat, Square, Round, Fine Wire, Plated and Un-plated
ASTM 581, ASTM B 582


Hastelloy G-3 Wire Descriptionbutton

Alloy G3 has excellent corrosion resistance to oxidizing chemicals and atmospheres while offering resistance to reducing chemicals resulting from the nickel and copper content. The high molybdenum provides very good resistance to pitting and crevice corrosion. The low carbon helps prevent sensitization, giving the alloy resistance to inter-granular corrosion.

Applications

Components used in handling equipment that processes reducing acids such as phosphoric and sulfuric
Components usedin the productions of sour gas and oil

Chemistry Typical

Nickel: Balance
Chromium: 21.00-23.5
Iron: 18.00-21.00
Molybdenum: 6.0-8.0
Copper: 1.5-2.5
Cobalt: 5.0 max
Columbium + Tantalum: 0.50 max
Carbon: 0.015 max
Tungsten: 1.5 max
Silicon: 1.0 max
Phosphorus: 0.04 max
Sulfur: 0.03 max

Physical Properties

Density: 0.294lb/in³, 8.14 g/cm³

Electrical Resistivity: ohm-cir-mil/ft,(micro-ohms-cm):
675.97(112.37)

Specific Heat: BTU/lb-°F (J/Kg-°C)
At 77°F (25°C): 0.108 (453)
At 212°F (100°C): 0.111 (464)
At 392°F (200°C): 0.114 (478)
At 572°F (300°C): 0.118 (493)
At 752°F (400°C): 0.121 (507)
At 932°F (500°C): 0.124 (521)
At 1112°F (600°C): 0.130 (543)

Thermal Conductivity: BTU-in/hr-ft²-°F, (W/m-°C)
At 77°F (25°C): 69 (10.0)
At 212°F (100°C): 82 (11.8)
At 392°F (200°C): 96 (13.8)
At 572°F (300°C): 110 (15.9)
At 752°F (400°C): 124 (17.9)
At 932°F (500°C): 139 (20.0)
At 1112°F (600°C): 151 (21.8)

Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C)
75-212°F (24-100°C): 8.1 (14.6)
75-392°F (24-200°C): 8.1 (14.6)
75-572°F (24-300°C): 8.1 (14.6)
75-752°F (24-400°C): 8.2 (14.8)
75-932°F (24-500°C): 8.4 (15.1)
75-1112°F (24-600°C): 8.4 (15.1)

Modulus of Elasticity: KSI (MPa)
28.9 x 10³ (199 x 10³) in tension

Melting Range: 2300-2450°F (1260-1343°C):

Mechanical Properties at Room Temperature

Properties: Annealed Typical
Ultimate Tensile Strength: 90 KSI min (621 MPa min)
Yield Strength: 35 KSI min (241 MPa min)
Elongation: 45% min
Hardness: Rb 100 max (aim)

Properties Tempered
Alloy G-3 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 Association 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

Heat Treatment
Alloy G-3 is non hardenable by heat treatment.

Welding
For best results refer to: SSINA’s “Welding of Stainless Steels and Other Joining Methods”

Hastelloy® G-3 is a registered trademark of Haynes International Corp.

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels and 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.

Copyright January 2014 Ulbrich Stainless Steels & Special Metals, Inc. – Revision 6.1.2015

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About Ulbrich Wire Products

Ulbrich Wire Group custom engineers precision wire products including; Fine Wire, Round Wire, Flat Wire, Square Wire, Shaped Profiles and PV Ribbon products.  The Ulbrich Wire Group of companies are divisions of Ulbrich Stainless Steels and Special Special Metals, Inc. Our wire facilities have over 40 years of experience producing thousands of unique shapes … [Learn More...]

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About Us

  • About Us

Products

  • Wire Products
    • Flat Wire / Ribbon Wire
    • Square Wire
    • Custom Shaped Wire
    • Round Wire
    • Fine Wire & Braid Wire
    • Plated Wire
    • Photovoltaic Ribbon (PV Ribbon)

Capabilities

  • Wire Capabilities
    • Wire Dimensional Capabilities
    • Rolling Shaped Wire
    • Annealing
    • Finishing & Plating
    • Cut To Length
    • Tooling
    • Testing
    • Round, Flat and Shaped Wire Packaging

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Quality

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