Chrome steel
AISI52100
100Cr6
Gcr15
Bearing
steel balls are hardened and tempered through their entire diameter to insure uniform structure and hardness. Ball hardness is controlled within a range of HRC 60 - 67 as measured on a parallel surface.
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CHEMICAL ANALYSIS
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MECHANICAL PROPERTIES
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|
Carbon |
0.98 to 1.10% |
Tensile Strength |
325,000 psi |
|
Chromium |
1.30 to 1.60% |
Yield Strength |
295,000 psi |
|
Manganese |
0.25 to 0.45% |
Elongation in two inches |
5% |
|
Silicon |
0.15 to 35% |
Reduction in area |
8% |
|
Phosphorus |
0.025% Max |
Modulus of elasticity |
29,500,000 psi |
|
Sulfur |
0.025% Max |
Density |
.283 lbs./cu. In. |
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Nickel |
0.25% Max |
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|
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Molybdenum |
0.10% Max |
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Carbon Steel
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Item
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C%
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Si%
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Mn%
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P%
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S%
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Hardness
|
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AISI 1010
|
0.08~0.13
|
0.30Max
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0.50Max
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0.07Max
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0.06Max
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HRC 58-64
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AISI 1015
|
0.13~0.18
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0.10~0.30
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0.30~0.60
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0.04Max
|
********
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AISI 1045
|
0.43~0.50
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0.10~0.30
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0.60~0.90
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0.04Max
|
0.05Max
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AISI 1085
|
0.83~0.88
|
0.10~0.30
|
0.30~0.70
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0.04Max
|
0.04Max
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|
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Stainless steel
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.
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Chemical Composition
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| |
302
|
304
|
316
|
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Carbon
|
0.15% max.
|
0.08% max.
|
0.08% max.
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Chromium
|
17.00 to 19.00%
|
18.00 to 20.00%
|
16.00 to 18.00%
|
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Manganese
|
2.0% max.
|
2.0% max.
|
2.0% max.
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Silicon
|
1.0% max.
|
1.0% max.
|
1.0% max.
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Nickel
|
8.00 to 10.00%
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8.00 to 10.50%
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10.00 to 14.00%
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Molybdenum
|
-
|
-
|
2.00 to 3.00%
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Mechanical Properties
|
| |
302
|
304
|
316
|
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Tensile strength
|
90,000 - 185,000 psi
|
84,000 - 185,00 psi
|
84,000 - 185,000 psi
|
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Yield Strength
|
40,000 - 140,000 psi
|
42,000 - 140,000 psi
|
42,000 - 140,000 psi
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Elongation in two inches (Annealed)
|
50%
|
55%
|
50%
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Modulus of elasticity
|
28,000,000 psi
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28,000,000 psi
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28,000,000 psi
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Annealed hardness (Rockwell B)
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75 - 90
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75 - 90
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75 - 90
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Cold worked hardness (Rockwell C)
|
25 - 39
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25 - 39
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25 - 39
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Density
|
.286 lbs./cu.in.
|
.286 lbs./cu.in.
|
.288 lbs./cu.in.
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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.
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Chemical Composition
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|
Carbon
|
.95 to 1.20%
|
|
Chromium
|
16.00 to 18.00%
|
|
Manganese
|
1.0% max.
|
|
Silicon
|
1.0% max.
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Molybdenum
|
.75% max.
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Phosphorus
|
.04% max.
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Sulphur
|
.03% max.
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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.
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|
Tensile strength
|
285,000 psi
|
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Yield strength
|
275,000 psi
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|
Elongation in two inches
|
2%
|
|
Reduction in area
|
10%
|
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Modulus of elasticity
|
29,000,000 psi
|
|
Density
|
.277 lbs./cu. in.
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Material
is also customized for user's purpose.
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