General Information

These balls give maximum hardness with good corrosion resistance to fresh water, steam, crude oil, gasoline, alcohol, food environment, blood and perspiration.  In addition this material is ferro-magnetic and makes a fair permanent magnet.  Balls are deep freeze stabilised after heat treatment.

International Equivalents

AISI 440C, DINX105 CR Mo17, JIS SUS 440C, Z100CD17 Wks 1.4125

Material Specification

Composition
C	0.95 - 1.20 %
Cr	16 - 18 %
Si	1.0 % Max
Mn	1.0 % Max
P	0.04 % Max
S	0.03 % Max
Mo	0.75 % Max

 

Hardness
HRc	57 - 60

 

Mechanical Properties
Tensile Strength	285,000 psi
Yield Strength	275,000 psi
Density	0.277 lbs/cu in

 

Size Range
0.635mm (0.025") to 101.6mm (4")

 

Standard Grades Available
10
25
50
1000