C69710

C69710

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 (%)
Cu	75.00	80.00
Pb	0.50	1.50
Fe	-	0.20
Mn	-	0.40
Si	2.50	3.50
As	0.03	0.06
Total Others	-	0.50
Zn	Remainder

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

Range (inch)		From	To	UTS Min (ksi)	UTS Max (ksi)	PS Min (ksi)	Elongation Min (%)	Hardness Min	Hardness Max
Round (Dia)		0.059	1.000	65	-	32	20	-	-
Round (Dia)		1.000	2.953	55	-	28	25	-	-
Hex (A/F)		0.118	1.000	65	-	32	20	-	-
Hex (A/F)		1.000	2.755	55	-	28	25	-	-
Square (A/F)		0.118	1.000	65	-	32	20	-	-
Square (A/F)		1.000	2.362	55	-	28	25	-	-

Range (mm)		From	To	UTS Min (MPa)	UTS Max (MPa)	PS Min (MPa)	Elongation Min (%)	Hardness Min	Hardness Max
Round (Dia)		1.5	25	450	-	220	20	-	-
Round (Dia)		25	75	380	-	195	25	-	-
Hex (A/F)		3	25	450	-	220	20	-	-
Hex (A/F)		25	70	380	-	195	25	-	-
Square (A/F)		3	25	450	-	220	20	-	-
Square (A/F)		25	60	380	-	195	25	-	-

PHYSICAL PROPERTIES
Melting Point – Liquidus °F	1706
Density lb/cu in. at 68 °F	0.3
Specific Gravity	8.3
Electrical Conductivity % IACS at 68 °F	8
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68 °F	23
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)	10.7
Modulus of Elasticity in Tension ksi	16000

FABRICATION PROPERTIES
Technique	Suitability
Capacity for Being Hot Formed	Excellent
Machinability Rating	70

TYPICAL USES

Industrial