General Information

Balls of theis material have a lower chrome content than 440C, and are used in application where the more rigid corrosion resistance requirements can be relaxed. They have fair resistance to fresh water, steam, oil gasoline, blood, perspiration, alcohol and food environment. However will not pass 40 hours salt spray test.

International Equivalents

AISI 420, JIS SUS 420, JI X20 CR13, Z40 C13, EN56D, Wks 1.4034

Material Specification

Composition
C	0.15 - 0.36 %
Cr	12 - 14 %
Si	1.0 % Max
Mn	1.0 % Max
P	0.04 % Max
S	0.03 % Max

 

Hardness
HRc	52 - 55

 

Mechanical Properties
Tensile Strength	275,000 psi
Specific Weight	0.280 lbs/cu in

 

Size Range
1.588mm (1/16") to 50.80mm (2")

 

Standard Grades Available
100
500
1000