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440C ss ball

440C ss ball

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 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.