Product Introduction
How a Ball is Made
Heading: In the first step, heading machines cut wire into short lengths and form it into spherical shapes between dies.
Deflashing: The flash line, a ridge left by the forming dies, is removed as balls roll between heavy, cast iron plates. Soft Grinding: Similar to deflashing, except that a grinding stone is used to improve precision.
Heat-treating: Carbon steel balls are next carburized and hardened. Heat treatment imparts the desired hardness and case depth.
Descaling: This step removes the residues and by-products from the heat-treating process. Hard Grinding: Slow, meticulous grinding assures proper sizing and sphericity, with tolerances as close as ±.0001″.
Lapping: Several proprietary lapping processes can bring balls to the requirements of ISO 3290 Grade 10 – 48. Finishing: Proprietary chemical and mechanical processes give the balls their final micro-smoothed finish, for increased wear resistance and product longevity.
Main Parameter
|
STAINLESS STEEL Ball |
MARTENSITIC |
US |
Chemical Composition |
|||||||
|
AISINO. |
Carbon |
Silicon |
Mangan-ese |
Phos-phorous |
Sulfur |
Nickel |
Chrome |
Molyb-denum |
||
|
AISI |
0.09 |
1 |
1 |
0.04 |
0.03 |
|
11.5 |
|
||
|
410 |
0.15 |
Max |
Max |
Max |
Max |
13.5 |
||||
|
AISI |
0.26 |
10 |
1 |
0.04 |
0.03 |
|
12 |
|
||
|
420B |
0.35 |
Max |
Max |
Max |
Max |
14 |
||||
|
AISI |
0.28 |
0.8 |
1 |
0.04 |
0.03 |
|
12 |
|
||
|
420 |
0.36 |
Max |
Max |
Max |
Max |
14 |
||||
|
AISI |
0.04 |
1 |
1 |
0.04 |
0.03 |
1 |
12 |
|
||
|
420C |
0.5 |
Max |
Max |
Max |
Max |
Max |
14 |
|||
|
AISI |
0.75 |
1 |
1 |
0.04 |
0.03 |
0.6 |
16 |
0.75 |
||
|
440B |
0.95 |
Max |
Max |
Max |
Max |
Max |
18 |
Max |
||
|
AISI |
0.95 |
1 |
1 |
0.04 |
0.03 |
0.6 |
16 |
0.4 |
||
|
440C |
1.2 |
Max |
Max |
Max |
Max |
Max |
18 |
0.8 |
||
|
AUSYENITIC |
AISI |
0.07 |
1 |
2 |
0.045 |
0.03 |
8 |
17 |
|
|
|
304 |
Max |
Max |
Max |
Max |
Max |
10.5 |
19 |
|||
|
AISI |
0.03 |
1 |
2 |
0.045 |
0.03 |
8 |
18 |
|
||
|
304L |
Max |
Max |
Max |
Max |
Max |
12 |
20 |
|||
|
AISI |
0.07 |
1 |
2 |
0.045 |
0.03 |
10 |
16.5 |
2 |
||
|
316 |
Max |
Max |
Max |
Max |
Max |
14 |
18.5 |
2.5 |
||
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
||
|
AISI |
0.03 |
1 |
2 |
0.045 |
0.03 |
12 |
16.5 |
2 |
||
|
316L |
Max |
Max |
Max |
Max |
Max |
15 |
18.5 |
3 |
||
|
|
|
|
|
|
|
|
|
|
||
|
AISI |
0.12 |
1 |
1 |
0.045 |
0.03 |
0.6 |
16 |
|
||
|
430 |
Max |
Max |
Max |
Max |
Max |
Max |
18 |
|||
Figure Photos
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