CDA 260 Miniature Brass Balls

CDA 260 brass balls provide excellent resistance to corrosion by water and exhibit corrosion resistance in environments where fuel oil, gasoline, kerosene and alcohol are present. Brass balls demonstrate excellent electrical conductivity and are extremely popular in the electric Industry and appliance industry.

Material Conversion Standards – CDA 260 Brass Balls

MATERIAL	CDA	FEDERAL	MILTARY	ASTM	UNS	AMS	MIL. & GOV'T STANDARDS
Brass	260	QQ-W-321c Comp.7	MILW-6712A TYPE II	B134-52 Alloy 7	C-26000	4712A	MS 19062 CCAX2

Material Analysis:

CDA brass balls exhibit a Rockwell "B" 75 to 87 when measured on parallel flat surfaces.

CHEMICAL ANALYSIS		MECHANICAL PROPERTIES
Copper	68.5 to 71.5%	Tensile Strength	80,000 psi
Lead	.07% Max	Yield Strength	57,000 psi
Iron	.05% Max	Elongation in two inches	20%
Zinc	Balance	Reduction in area	85%
		Modulus of elasticity	15,000,000 psi
		Density	.306 lbs./cu. In.

Available Grades and Sizes:

GRADE	SIZE RANGE
	Inches	Millimeters
100, 200, 500	.020" - 0.160"	0.5mm - 4mm

Balls per Pound:

SIZE		# BALLS PER POUND
Inch	Metric
.020		777,628
.025		398,146
1/32		202,875
0.03937	1mm	101,945
3/64		60,400
1/16		25,481
5/64		13,046
0.0787	2mm	12,743
3/32		7,550
7/64		4,755
0.1181	3mm	3,776
1/8		3,185
9/64		2,237
5/32		1,631
0.157	4mm	1,593

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