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Procureit can supply stainless steel balls, chrome steel balls, stainless steel spheres, stainless steel hollow balls, chrome steel spheres, stainless steel precision balls, chrome steel balls. 440-C 440C stainless steel balls, 302 stainless steel balls, 304 stainless steel balls, 316 stainless steel balls, 52100 Chrome steel balls, Tungsten carbide balls, Brass Balls.

52100 Chrome Steel AISI E52100 is high carbon chromium steel that offers very high hardness and excellent resistance to wear. The hardening and tempering processes are monitored to insure a uniform structure and hardness throughout the ball.

Chemical Composition
Carbon .98 to 1.10%
Chromium 1.30 to 1.60%
Manganese .25 to .45%
Silicon .15 to 35%
Phosphorus .025% max.
Sulphur .025% max.


Mechanical Properties
52100 balls are uniformly heat treated in conformance to MIL-H-6875. The balls are hardened and tempered to a Rockwell "C" hardness of 60 to 67.
Tensile strength 325,000 psi
Yield strength 295,000 psi
Elongation in two inches 5%
Reduction in area 8%
Modulus of elasticity 29,500,000 psi
Density .283 lbs./cu. in.

Austenitic Stainless Steel Balls (Type 302-304-316)

Austenitic stainless steels offer excellent corrosion resistance in organic, acid, industrial and marine environments. The non magnetic properties combined with exceptionally high toughness at all temperatures make these steels an excellent selection with many applications. AISI 316 stainless steel offers superior corrosion resistance due to the higher nickel and molybdenum content.


Chemical Composition
  302 304 316
Carbon 0.15% max. 0.08% max. 0.08% max.
Chromium 17.00 to 19.00% 18.00 to 20.00% 16.00 to 18.00%
Manganese 2.0% max. 2.0% max. 2.0% max.
Silicon 1.0% max. 1.0% max. 1.0% max.
Nickel 8.00 to 10.00% 8.00 to 10.50% 10.00 to 14.00%
Molybdenum - - 2.00 to 3.00%

Mechanical Properties
  302 304 316
Tensile strength 90,000 - 185,000 psi 84,000 - 185,00 psi 84,000 - 185,000 psi
Yield Strength 40,000 - 140,000 psi 42,000 - 140,000 psi 42,000 - 140,000 psi
Elongation in two inches (Annealed) 50% 55% 50%
Modulus of elasticity 28,000,000 psi 28,000,000 psi 28,000,000 psi
Annealed hardness (Rockwell B) 75 - 90 75 - 90 75 - 90
Cold worked hardness (Rockwell C) 25 - 39 25 - 39 25 - 39
Density .286 lbs./cu.in. .286 lbs./cu.in. .288 lbs./cu.in.

440-C Stainless Steel (Martensitic) Balls AISI

440-C stainless steel balls exhibit excellent toughness and hardness properties and offer good corrosion resistance. This material is used extensively in bearing applications where precise tolerances and surface finishes are required.

Chemical Composition
Carbon .95 to 1.20%
Chromium 16.00 to 18.00%
Manganese 1.0% max.
Silicon 1.0% max.
Molybdenum .75% max.
Phosphorus .04% max.
Sulphur .03% max.


Mechanical Properties
440-C balls are uniformly heat treated in conformance to MIL-H-6875. The balls are hardened and tempered to a Rockwell "C" hardness of 58 to 65.
Tensile strength 285,000 psi
Yield strength 275,000 psi
Elongation in two inches 2%
Reduction in area 10%
Modulus of elasticity 29,000,000 psi
Density .277 lbs./cu. in.

Procureit can also supplystainless steel hollow spheres from 100mm to 680mm in Stainless AISI 304

Pricing (excludes GST and freight) Stainless 304 Mirror Finish Hollow Balls 0.8mm~1.0mm thick (dependant on diameter)

50mm $4.00ea /100mm $8.00 ea / 150mm $ 17.50 ea / 200mm $25.00 ea / 250mm $40.00 ea / 300mm $60.00 ea / 380mm $90.00 ea / 680mm $500.00 ea 1000mm $980.00 ea / 1200mm $1380.00 ea

Stainless 304 Mirror Finish Half Balls 150mm $10.00 ea / 200mm $12.00 ea / 300mm $24.00 ea / 380mm $35.00 ea / 480mm $58.00 ea

Also some sizes available in SS316


For price and availability of your requirements please email Procureit today!

Procureit Australia Pty Ltd
ABN: 80 106 789 342
PO Box 249
Geebung Qld, AUSTRALIA
Ph + 617 3889 9525
Fax + 617 3889 9115

Email sales@procureit.com.au

* 2-3 working days to approved customers providing the item is available in the Brisbane metropolitan area on the day of order and subject to transport.
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