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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe
(1) Cu + Sum of Named Elements 99.7% min.
Min (%) 84.0 1.7
Max (%) 87.0 0.09 2.7 Rem 0.05
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale Rockwell F scale Rockwell 30T scale Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Flat Products 1/2 Hard H02 62 Typ
55 Typ
25 Typ
73 Typ
65 Typ
0.04
1/4 Hard H01 53 Typ
40 Typ
44 Typ
57 Typ
57 Typ
0.04
3/4 Hard H03 72 Typ
65 Typ
13 Typ
79 Typ
69 Typ
0.04
Extra Hard H06 88 Typ
70 Typ
5 Typ
87 Typ
75 Typ
0.04
Extra Spring H10 90 Min
73 Typ
3 Typ
90 Min
75 Min
0.04
Hard H04 78 Typ
67 Typ
10 Typ
84 Typ
73 Typ
0.04
Nominal Grain Size 0.015 mm OS015 39 Typ
77 Typ
0.04
Nominal Grain Size 0.025 mm OS025 34 Typ
72 Typ
0.04
Nominal Grain Size 0.035 mm OS035 46 Typ
18 Typ
55 Typ
30 Typ
69 Typ
0.04
Spring H08 94 Typ
72 Typ
4 Typ
91 Typ
77 Typ
0.04
Physical Properties
(1)For hard alloys.(2)For annealed alloys.
Melting Point - Liquidus°F 1877
Melting Point - Solidus°F 1832
Densitylb/cu in. at 68°F 0.316
Specific Gravity 8.75
Electrical Conductivity% IACS at 68°F 27
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 69
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 10.2
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000 (1)
Modulus of Elasticity in Tensionksi 17300 (2)
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Not Recommended
Spot Weld Fair
Seam Weld Not Recommended
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Machinability Rating 30
Common Fabrication Processes
  • Bending
  • Blanking
  • Coining
  • Drawing
  • Forming
  • heading
  • Upsetting
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 800 1300
Hot Working Temperature 1455 1545
Typical uses
Product Category Product Reason Category Reason
Builders Hardware Sash Chain Corrosion Resistance Corrosion Resistance
Sash Chain Corrosion Resistance Corrosion Resistance to the Atmosphere
Sash Chain Mechanical Properties Ductility
Sash Chain Mechanical Properties Moderate Strength
Building Weather Stripping Appearance Appearance
Weather Stripping Corrosion Resistance Corrosion Resistance
Weather Stripping Mechanical Properties Moderate Strength
Consumer Pen Clips Appearance Appearance
Pen Clips Corrosion Resistance Corrosion Resistance
Pen Clips Forming Characteristics Formability
Pen Clips Friction & Wear Properties Wear Resistance
Pen Clips Thermal Properties Resistance to Stress Relaxation
Electrical Electrical Connectors Conductivity (Electrical) Electrical Conductivity
Electrical Connectors Mechanical Properties Moderate Strength
Electrical Connectors Thermal Properties Resistance to Stress Relaxation
Fuse Clips Conductivity (Electrical) Electrical Conductivity
Fuse Clips Conductivity (Thermal) Thermal Conductivity
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Mechanical Properties Ductility
Fuse Clips Mechanical Properties Moderate Strength
Fuse Clips Thermal Properties Resistance to Stress Relaxation
Switches Conductivity (Electrical) Electrical Conductivity
Switches Conductivity (Thermal) Thermal Conductivity
Switches Corrosion Resistance Corrosion Resistance
Switches Mechanical Properties Ductility
Switches Mechanical Properties Fatigue Resistance
Switches Mechanical Properties Moderate Strength
Industrial Platers Bars and Cores Appearance Color
Platers Bars and Cores Corrosion Resistance Corrosion Resistance
Platers Bars and Cores Mechanical Properties Ductility
Platers Bars and Cores Mechanical Properties Moderate Strength
Platers Bars and Cores Plating Characteristics Plateable
Springs Corrosion Resistance Corrosion Resistance
Springs Forming Characteristics Formability
Springs Mechanical Properties Ductility
Springs Mechanical Properties Fatigue Resistance
Springs Mechanical Properties Moderate Strength
Timer Contact Blades - Flexing Conductivity (Electrical) Electrical Conductivity
Timer Contact Blades - Flexing Corrosion Resistance Corrosion Resistance
Timer Contact Blades - Flexing Corrosion Resistance Stress Corrosion Cracking Resistance
Timer Contact Blades - Flexing Mechanical Properties High Endurance Limit
Timer Contact Blades - Flexing Thermal Properties Resistance to Stress Relaxation
Wire Supports in Optical Work Corrosion Resistance Corrosion Resistance
Wire Supports in Optical Work Corrosion Resistance Corrosion Resistance to the Atmosphere
Wire Supports in Optical Work Mechanical Properties Moderate Strength
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Plate ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Sheet ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Strip ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.