52100 Chrome Steel Miniature Balls

E52100 chrome steel balls offer excellent wear and are extremely durable. Typical applications include ball bearings, ball screws, linear bearings, ball bushings and general industrial uses such as ballizing and tumbling media.

Material Conversion Standards – 52100 Chrome

MATERIAL	AISI	FEDERAL	DIN	Military	ASTM	JIS	AMS	MIL. & GOV'T STANDARDS
Chrome Steel	E52100	FED-STD-66D	100Cr6	MIL-B1083C	A295-89	SUJ-2	6440	MS 19059

Material Analysis:

AISI E52100 chrome steel balls are hardened and tempered through their entire diameter to insure uniform structure and hardness in conformance to MIL-H-6875. Ball hardness is controlled within a range HRC 60 - 67 as measured on a parallel surface.

CHEMICAL ANALYSIS		MECHANICAL PROPERTIES
Carbon	0.98 to 1.10%	Tensile Strength	325,000 psi
Chromium	1.30 to 1.60%	Yield Strength	295,000 psi
Manganese	0.25 to 0.45%	Elongation in two inches	5%
Silicon	0.15 to 35%	Reduction in area	8%
Phosphorus	0.025% Max	Modulus of elasticity	29,500,000 psi
Sulfur	0.025% Max	Density	.283 lbs./cu. In.
Nickel	0.25% Max
Molybdenum	0.10% Max

Available Grades and Sizes:

GRADE	SIZE RANGE
	Inches	Millimeters
100, 200	0.007" - 0.160"	0.2mm - 4mm
5, 10, 24, 48	0.020" - 0.160"	0.5mm - 4mm

Balls per Pound:

SIZE		# BALLS PER POUND
Inch	Metric
.007		19,675,201
.010		6,748,594
.015		1,999,583
.020		843,574
.025		450,202
1/32		220,080
0.0394	1mm	110,590
3/64		65,418
1/16		27,642
5/64		14,153
0.0787	2mm	13,824
3/32		8,177
7/64		5,158
0.1181	3mm	4,096
1/8		3,455
9/64		2,428
5/32		1,770
0.157	4mm	1,740

Contact us for more information on these or any other materials.