C47940

The high leaded naval brass is available in compliance with ASTM B21, AMS 4611 standards and is appreciated for high thermal and electrical conductivity. The material is highly ductile and easy to weld and is also appreciated for creeping resistance and low volatility under high vacuum.

Chemical Composition

Elements	Min (%)	Max (%)
Cu	63.00	66.00
Pb	1.00	2.00
Sn	1.20	2.00
Fe	0.10	1.00
Total Others	–	0.40
Zn	Remainder

Mechanical properties according to ASTM B21 (as per temper HO2)

Range (inch)		UTS Min (ksi)	UTS Max (ksi)	PS Min (ksi)	Elongation Min (%)	Hardness
Range (inch)		UTS Min (ksi)	UTS Max (ksi)	PS Min (ksi)	Elongation Min (%)	Hardness Min (HRB)	Hardness Max (HRB)
Round (Dia)	0.059 – 0.500	58	–	30	18	–	–
	0.500 – 1.000	56	–	30	20	–	–
	1.000 – 2.000	54	–	25	22	–	–
	2.000 – 2.952	50	–	25	25	–	–
Hex (A/F)	0.118 – 0.500	58	–	30	18	–	–
	0.500 – 1.000	56	–	30	20	–	–
	1.000 – 2.000	54	–	25	22	–	–
	2.000 – 2.756	50	–	25	25	–	–
Square (A/F)	0.118 – 0.500	58	–	30	18	–	–
	0.500 – 1.000	56	–	30	20	–	–
	1.000 – 2.000	54	–	25	22	–	–
	2.000 – 2.362	50	–	25	25	–	–

Range (mm)			UTS Min (MPa)	UTS Max (MPa)	PS Min (MPa)	Elongation Min (%)	Hardness Min (HRB)	Hardness Max (HRB)
Range (mm)			UTS Min (MPa)	UTS Max (MPa)	PS Min (MPa)	Elongation Min (%)	Hardness Min (HRB)	Hardness Max (HRB)
Round (Dia)	1.5	12	400	–	210	18	–	–
	12	25	390	–	210	20	–	–
	25	50	375	–	175	22	–	–
	50	75	345	–	175	25	–	–
Hex (A/F)	3	12	400	–	210	18	–	–
	12	25	390	–	210	20	–	–
	25	50	375	–	175	22	–	–
	50	70	345	–	175	25	–	–
Square (A/F)	3	12	400	–	210	18	–	–
	12	25	390	–	210	20	–	–
	25	50	375	–	175	22	–	–
	50	60	345	–	175	25	–	–

PHYSICAL PROPERTIES
Density lb/cu in. at 68 0F	8.2g/cm3

FABRICATION PROPERTIES
No Fabrication properties for this alloy.

C47940

C47940

Chemical Composition

Mechanical properties according to ASTM B21 (as per temper HO2)

Metals