Aluminium bronze ball ⚈ Accuracy and Industrial Bill

Made of aluminum bronze, these balls offer excellent mechanical properties as well as good hardness. They are ideal for applications requiring corrosion resistance and increased longevity. Marteau- Lemarie, with 40 years of expertise, has a stock available in France for quick delivery.

Request a quote

Chemical composition of bronze aluminium ball

Element	type	If	Neither	Cu	Al	Zn	Pb	Fe
%	CuAl8	max 0.10	max. 0.50	balance	6,00-8,50	0.20 max	0.02 max	max. 0.50

Physical characteristics of bronze aluminium ball

Ownership	Value	Unit
Density	7.66	g/cm3
Young Module	119	GPA
Thermal expansion coefficient	13.9 (DT=0-100°C)	× 10−6 /°C
Thermal conductivity	69.1	W/m·K
Electrical resistivity	115	× 10 - 9 D·m
Specific heat	376	J/kg·K
Relative magnetic permeability	1,05	—
Magnetic behaviour	Paramagnetic	—

Hardness and mechanical resistance of aluminium bronze ball

Ownership	Value	Unit
Hardness	27-32	HRC
Tensile failure load	600-700	MPa
Tensile failure load	87-101	psix10^3
Exercise temperatures	-196/400	° C
Exercise temperatures	-320,8/752	°F

Diameters and grades available for bronze aluminium ball

Parameter	Value
Minimum diameter	1.5 mm — 1/16′′′
Maximum diameter	180 mm — 7′′
Grades available	G50-100-200-500-1000-2000
Precision standards	ISO 3290 / AFBMA

Corrosion resistance of bronze aluminium ball

Good corrosion resistance in hot concentrated caustic solutions and saline solutions. Excellent sea water resistance. Resist if immersed in acetic acid, dry ammonia, sodium carbonate, phosphates, bromides and chlorides (dry atmosphere).