C69710

DESCRIPTION

C69710 brass is a brass formulated for primary forming into wrought products. It is typically furnished in the H04 (full hard) temper. It has a moderately low melting temperature and a fairly high tensile strength relative to other wrought brasses.

CHEMICAL COMPOSITION

Elements Min (%) Max (%)
Cu75.080.0
Pb0.501.50
Fe-0.20
Mn-0.40
Si2.503.50
As0.030.03
Total Others - 0.50
Zn Remainder

Mechanical Properties According To ASTM B371 (As Per Temper HO2)

Range (Inch) From To UTS Min (ksi) PS Min (ksi) Elongation Min (%) Hardness Min Hardness Max
Round (Dia)0.0591.000653220--
1.0002.953552825--
Hex (A/F)0.1181.000653220--
1.0002.755552825--
Square (A/F)0.1181.000653220--
1.0002.362552825--
Range (mm) From To UTS Min (MPa) PS Min (MPa) Elongation Min (%) Hardness Min Hardness Max
Round (Dia)1.52545022020--
257538019525--
Hex (A/F)32545022020--
257038019525--
Square (A/F)32545022020--
256038019525--
PHYSICAL PROPERTIES
Melting Point - Liquidus°F1706
Density lb/cu in. at 68°F0.3
Specific Gravity8.3
Electrical Conductivity % IACS at 68°F8
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F23
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.7
Modulus of Elasticity in Tension ksi16000
FABRICATION PROPERTIES
TechniqueSuitability
Capacity for Being Hot FormedExcellent
Machinability Rating70

TYPICAL USES