UNS C21000 Wire
Brass alloys are copper zinc alloys which makes these alloys stronger and more durable than copper alloys.
Flat, Shaped and Round Wire
Applications
Coinage, Medals, Electrical switches and receptacles, Radiator cores, Fasteners and eyelets, Fuse clips, Jewelry, Architectural components, Deep drawing applications
Description
Brass alloys are copper zinc alloys which makes these alloys stronger and more durable than copper alloys. Alloys with high zinc levels are yellowish in color while those with less zinc start to turn reddish in color, and are sometimes called red brass.
Chemistry Typical
UNS# COPPER ZINC LEAD IRON
C21000 94.0-96.0 Balance 0.05 max 0.05 max
C23000 84.0-86.0 Balance 0.05 max 0.05 max
C26000 68.5-71.5 Balance 0.07 max 0.05 max
C26800 64.0-68.5 Balance 0.09 max 0.05 max
C28000 59.0-63.0 Balance 0.09 max 0.05 max
* Contact Ulbrich Wire for request regarding the availability of other copper alloys.
* Contact Ulbrich Technical Department for limits for additional trace elements and impurity levels.
* Copper plus sum of named elements 99.8% min.
* Copper plus sum of named elements 99. 7% min.
Physical Properties
Typical Density: 0.306 - 0.320 lb/in3, 8.47 - 8.86 g/cm3
Electrical Conductivity: (% IACS at 68° F 20°C, annealed): 27 - 56%
Thermal Conductivity: BTU-in/hr-ft2-° F
At 68° F: 67 - 135
Mean Coefficient of Thermal Expansion: µin/in-° F 68- 572 ° F: 10- 11.3
Modulus of Elasticity: KSI
15 - 17 x 103 in tension
Forms
Profile, Round, Flat, Square
Mechanical Properties at Room Temperature
Properties: Annealed Typical
Ultimate Tensile Strength: 34 KSI min (234 MPa min)
Yield Strength: 10 KSI min (69 MPa min)
Elongation: 45% min
Properties: Tempered
Brass alloys can be cold worked to various tempers.
*Actual physical and mechanical properties are alloy dependent. Contact Ulbrich Technical Service for alloy specific properties.
Additional Properties
Corrosion Resistance
Contact Ulbrich Wire for specific information.
Wire Finishes
XC - Extra clean. Annealed or annealed and cold rolled. Contact Ulbrich Wire with special finish requests.
Heat Treatment
Brass alloys are not hardenable by heat treatment.
Welding
Contact Ulbrich Wire for specific information.
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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