C36500

Brass, an alloy primarily composed of copper and zinc, combines strength with ease of forming, stamping, or drawing, making it a versatile choice for a wide range of uses. Adjusting the zinc content enables the attainment of various properties, including corrosion resistance, ductility, and suitability for machining, providing flexibility in its applications.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu58.0061.00
Pb0.250.70
Fe0.15
Total Others0.40
ZnRemainder
MECHANICAL PROPERTIES ACCORDING TO ASTM B981 (AS PER TEMPER HO2)
Range (Inch) From To UTS Min (Ksi) PS Min (Ksi) Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 0.059 0.500 63 28 10
0.500 1.000 55 26 12
1.000 2.000 48 24 20
2.000 2.952 45 20 25
Hex (A/F) 0.118 0.500 63 28 10
0.500 1.000 55 26 12
1.000 2.000 48 24 20
2.000 2.756 45 20 25
Square (A/F) 0.118 0.500 63 28 10
0.500 1.000 55 26 12
1.000 2.000 48 24 20
2.000 2.362 45 20 25
Range (mm) From To UTS Min (MPa) PS Min (MPa) Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 1.5 12 430 190 10
12 25 380 180 12
25 50 330 165 20
50 75 310 135 25
Hex (A/F) 3 12 430 190 10
12 25 380 180 12
25 50 330 165 20
50 70 310 135 25
Square (A/F) 3 12 430 190 10
12 25 380 180 12
25 50 330 165 20
50 60 310 135 25
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 28
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F 71
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 Fair
Gas Shielded Arc Welding Fair
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 60

C36500

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