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  • Alloy
260

260 Brass Product Guide

Applications | Specifications | Mechanical and Chemical Data | Tolerances

Overview

The most ductile of the yellow brasses, 260 brass also has a good strength, finishing capabilities and corrosion resistance. It is also easily machined and cold formed. 260 brass should not be used in projects where it will come into contact with acetic acid, hydrochloric acid, nitric acid, or ammonia. Due to the high zinc contact, it shouldn't be soldered. Typically used in architecture, electrical parts, fasteners, and ammunition casings.

 

Common Trade Names

UNS C26000, CDA 260, C260, CZ106, ISO CuZn30, 70/30 brass, Cartridge Brass 70%

 

Other resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase 260 Sheet/Plate | 260 Balls | 260 Foil | 260 Round Tube | 260 Shim Stock | Decorative Fittings


Applications

  • Ammunition Casings
  • Fasteners
  • Electrical Components
  • Architecture

Specifications

 

ASTM

B36



Physical Properties 260
 
Soft Annealed
Annealed
-H02
Density 0.308 lb/in3 0.308 lb/in30.308 lb/in3
Ultimate Tensile Strength 49.3 ksi50.1 ksi61.6 ksi
Yield Tensile Strength 16.7 ksi17.8 ksi52.2 ksi
Fatigue Strength N/AN/A 18 ksi
Shear Strength 34.1 ksi 34.1 ksi39.9 ksi
Shear Modulus N/A 5,800 ksi5,800 ksi
Hardness Rockwell | Brinell F68 | 61-63 F68-72 | 61-65B70 | 110
Elongation at Break Percentage 57% 55-57%23%
Modulus of Elasticity 16,000 ksi 16,000 ksi16,000 ksi
Poisson's Ratio 0.380.380.38
Machinability Percentage N/A30%30%
Melting Point 1,680-1,750 °F 1,680-1,750 °F 1,680-1,750 °F
Specific Heat 8.96 x 10^-2 BTU/lb-°F8.96 x 10^-2 BTU/lb-°F8.96 x 10^-2 BTU/lb-°F
Thermal Conductivity 833 BTU-in/hr-ft^2-°F 833 BTU-in/hr-ft^2-°F833 BTU-in/hr-ft^2-°F
Electrical Conductivity 28% IACS 28% IACS 28% IACS


Chemistry Information
Element
Percentage
Cu 70
Zn 30
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