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| 440C STAINLESS STEEL BALLS |
HARDNESS
Modern heat treating facilities, complete with controlled atmosphere and temperature, allow us to maintain excellent hardness control. AISI 440C corrosion resistant, hardened Steel Balls are made with a through hardness of RC 58 to 65.
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440C MATERIAL ANALYSIS
Carbon……………………………… 0.95 to 1.20%
Manganese……………………… Maximum of 1.00%
Silicon……………………………… Maximum of 1.00%
Phosphorus……………………… Maximum of 0.045%
Sulfur……………………………… Maximum of 0.030%
Chromium……………………… 16.00 to 18.00%
Molybdenum…………………… Maximum of 0.75%
Nickel……………………………… Maximum of 0.75%
Copper…………………………… Maximum of 0.50%
Note:Trace elements not shown
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440C MATERIAL CONVERSION – Stainless Steel
Material |
AISI |
Federal |
Military |
ASTM |
JIS |
UNS |
DIN |
AMS |
Mil & Gov’t Stds. |
Stainless Steel |
440C |
QQ-S-763 |
—— |
A276-89 |
SUS400C |
S-44004 |
X105CrMo17 |
5630 |
MS 19060 |
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440C MECHANICAL PROPERTIES
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………………………………… 0.277 lb./cu. in
Note: All stainless steel balls are passivated.
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440C stainless steel box label color – RED
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| Inch Size |
Metric Size |
Balls
per Pound |
QTY Balls per Carton |
Qty Metric Balls per Carton* |
Carton Weight in Pounds |
|
| .006 |
|
45,871,000 |
___ |
|
___ |
| .008 |
|
13,477,088 |
___ |
|
___ |
| .010 |
|
6,944,444 |
___ |
|
___ |
| .015 |
|
2,040,816 |
___ |
|
___ |
| .020 |
|
861,326 |
___ |
|
___ |
| .025 |
|
440,723 |
___ |
|
___ |
| 1/32 |
1mm |
225,938 |
___ |
400,000 |
|
| 3/64 |
66,916 |
___ |
___ |
| 1/16 |
2mm |
28,200 |
100,000 |
150,000 |
9.0 |
| 3/32 |
8,380 |
100,000 |
12.2 |
| 7/64 |
3mm |
5,263 |
60,000 |
50,000 |
11.6 |
| 1/8 |
3,530 |
40,000 |
11.6 |
| 9/64 |
|
2,481 |
30,000 |
|
12.4 |
| 5/32 |
4mm |
1,810 |
20,000 |
20,000 |
11.3 |
| 11/64 |
1,359 |
15,000 |
11.3 |
| 3/16 |
5mm |
1,050 |
12,500 |
10,000 |
12.2 |
| 13/64 |
822 |
10,000 |
12.4 |
| 7/32 |
|
659 |
8,000 |
|
12.4 |
| 15/64 |
6mm |
536 |
6,000 |
6,000 |
11.4 |
| 1/4 |
441 |
5,000 |
11.6 |
| 17/64 |
7mm |
368 |
4,000 |
4,000 |
11.1 |
| 9/32 |
310 |
3,500 |
11.5 |
| 5/16 |
|
226 |
2,500 |
|
11.3 |
| 11/32 |
170 |
2,000 |
12.0 |
| 3/8 |
131 |
1,500 |
11.7 |
| 13/32 |
103 |
1,200 |
12.4 |
| 7/16 |
82 |
1,000 |
12.4 |
| 15/32 |
12mm |
67 |
750 |
750 |
11.4 |
| 1/2 |
51 |
600 |
11.1 |
| 17/32 |
|
46 |
500 |
|
11.1 |
| 9/16 |
|
39 |
450 |
|
11.9 |
| 5/8 |
|
28 |
300 |
|
10.6 |
| 11/16 |
|
21 |
250 |
|
11.8 |
| 3/4 |
|
16 |
250 |
|
11.8 |
| 13/16 |
|
13 |
150 |
|
11.9 |
| 7/8 |
|
10 |
100 |
|
9.9 |
| 15/16 |
|
8 |
75 |
|
9.2 |
| 1 |
|
7 |
70 |
|
10.4 |
| *Grade 10 and better packed in smaller quantities in bubble pack. |
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