AISI 420 Stainless Steel Balls

AISI type 420 stainless steel balls have fair-to-good corrosion resistance and good material strength. They resist corrosion from alcohol, ammonia, food environments, fresh water, many petroleum products and organic materials and some mild acid environments. They are found in bearings, valves, lighters and writing instruments.

AISI 420
SIZE RANGE 1.00mm (.040″) up to 1-1/4″
GRADES: 25, 50, 100, 500, 1000, 2000
 
CHEMICAL COMPOSITION
CHROMIUM 12%-14%
CARBON .15% MAX.
NICKEL
MANGANESE 1% MAX.
SILICON 1% MAX.
PHOSPHOROUS .040% MAX.
SULPHUR .03% MAX.
 
MECHANICAL PROPERTIES
HARDNESS ROCKWELL 48 MIN.
TENSILE STRENGTH 95,000-250,000 PSI
ELONGATION IN TWO INCHES 8%-25%
REDUCTION IN AREA 25%-50%
MODULUS IN ELASTICITY 29,000,000 PSI
DENSITY 0.279 LBS./CU. IN.
 
PHYSICAL CHARACTERISTICS
CORROSION RESISTANCE FAIR
MAGNETIC YES
 
GENERAL USAGE
BEARINGS, VALVES, LIGHTERS, WRITING INSTRUMENTS
 

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