AISI 440C Stainless Steel Balls

AISI type 440C stainless steel balls offer the maximum in material strength and fair corrosion resistanc. They resist alcohol, food environments, fresh water, many petroleum products, organic materials and steam. Type 440C balls are uses in bearings, valves, locking mechanisms, fasteners and quick-disconnect couplings.

AISI 440-C
SIZE RANGE 0.30mm (.012″) up to 2-1/2″
GRADES 3, 25, 50, 100, 200, 500, 1000, 2000
 
CHEMICAL COMPOSTION
CHROMIUM 16%-18%
CARBON .95%-1.2%
NICKEL
MANGANESE 1% MAX.
SILICON 1% MAX.
PHOSHOROUS .040 % MAX.
SULPHUR .03% MAX.
MOLYBDENUM .75% MAX.
 
MECHANICAL PROPERTIES
HARDNESS RC-58 MIN.
TENSILE STRENGTH 285,000 PSI
ELONGATION IN TWO INCHES 2%
REDUCTION IN AREA 55%-70%
MODULUS OF ELASTICITY 29,000,000 PSI
DENSITY .277 LBS./CU.IN.
 
PHYSICAL CHARACTERISTICS
CORROSION RESISTANCE FAIR
MAGNETIC YES
 
GENERAL USAGE
BEARING APPLICATIONS, VALVE APPLICATIONS. LOCKING MECHANISMS. FASTENERS, QUICK DISCONNECT COUPLINGS.
 

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