Model Number: XYB-SS440C-1.0-50.8 Brand Name: XYB Key Specifications/Special Features: Brief introductionsAISI type 440C stainless steel balls offer maximum in material strength and fair corrosion resistanceThey resist alcohol, food environments, fresh water, many petroleum products, organic materials and steamType 440C balls are uses in bearings, valves, locking mechanisms, fasteners and quick-disconnect couplingsAISI 440-CSize range 1.0mm up to 2"Grades 10, 25, 50, 100, 200, 500, 1000, 2000
Chemical composition

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 uses

Bearing applications, valve applications
Locking mechanisms
Fasteners, quick disconnect couplings