C37000

C37000, classified as Engraving brass, are 60/40 alpha-beta brass alloys infused with lead to enhance free machining characteristics. It’s important to note that they are not suitable for acid etched work, as the single phase alpha brasses are more appropriate for such applications.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu59.0062.00
Pb0.81.50
Fe0.15
Total Others0.40
ZnRemainder
MECHANICAL PROPERTIES ACCORDING TO BS2874 (AS PER TEMPER M)

Mechanical Property requirement, if any, are to be established by agreement between the manufacturer and the purchaser.

 

PHYSICAL PROPERTIES
Melting Point – Liquidus°F 1650
Melting Point – Solidus°F 1630
Density lb/cu in. at 68°F 0.304
Specific Gravity 8.41
Electrical Conductivity % IACS at 68°F 27
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F 69
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) 11.6
Specific Heat Capacity Btu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tension ksi 15000
Modulus of Rigidity ksi 5600
FABRICATION PROPERTIES 
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Fair
Capacity for Being Cold Worked Fair
Capacity for Being Hot Formed Excellent
Machinability Rating 70

C37000

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