KN BALL
China Steel Ball and Leading
Supplier Enterprise
Chrome steel ball, Stainless steel ball, low carbon steel
ball, high carbon steel ball
KN Steel Ball
Production in ISO/TS16949:2009
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Chrome Steel Ball
High Carbon steel ball
Low Carbon Steel Ball
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grinding balls
Bore steel ball
shotting mini balls
roller
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440 440C
420
420C
320/304
316 316L
Give maximum hardness with good corrosion resistance to fresh water, steam, crude oil, and gasoline, perspiration, alcohol, and blood and food environment.
Offer good hardness and surface finish
Offers excellent corrosion resistance in organic, acid, oxidizing, food environment, etc
With the addition of molybdenum improves corrosion resistance particularly to KNulpture acid compounds
HRC 58 to 65.
HRC 52-57
Non-annealed hardness: Rockwell "C" 25 to 39
Non-annealed hardness: Rockwell "C" 25 to 39.
2 ～ 25mm
2 ～ 25mm
2 ～ 25mm
2 ～ 25mm
G20 - G10 G500
G10 G5 - G10 G500
G10 G5 - G10 G500
G10 G5 - G10 G500
Castors, conveyors, skates, drawer slides, seat slides, bicycles, etc.
Castors, conveyors, skates, drawer slides, seat slides, bicycles, etc.
Most of Chemical application: valves, aerosol, finger pumps, etc.
For the application of Inks, photographic chemicals, bleaches, dyes and nitric acids industry.
Following
is standard size, non-standard size and special useful
balls are customer made
Inch Fractions
Inch Fractions
mm
Weight per 1000 balls kg
Inch Fractions
Inch Fractions
mm
Weight per 1000 balls kg
-
0.0787
2
0.0326
-
0.9055
23
49.63
3/32
0.0937
2.381
0.055
29/32
0.9062
23.019
49.75
-
0.0984
2.5
0.0638
15/16
0.9375
23.812
55.07
7/64
0.1094
2.778
0.0875
-
0.9449
24
56.39
-
0.1181
3
0.1101
31/32
0.9687
24.606
60.77
1/8
0.125
3.175
0.1305
-
0.9842
25
63.73
-
0.1378
3.5
0.1749
1
1
25.4
66.84
9/64
0.1406
3.572
0.1859
-
1.0236
5/32
0.1562
3.969
0.255
1 1/16
1.0625
25
-
0.1575
4
0.261
-
1.1024
26
11/64
0.1719
4.366
0.3394
1 1/8
1.125
27
-
0.1772
4.5
0.3716
-
1.1811
28
3/16
0.1875
4.763
0.4406
1 3/16
1.1875
29
-
0.1968
5
0.5099
1 1/4
1.25
30
-
0.2165
5.5
0.6786
-
1.2598
31
7/32
0.2187
5.556
0.6996
1 5/16
1.3125
32
15/64
0.2344
5.953
0.8605
-
1.3386
33
-
0.2362
6
0.881
1 3/8
1.375
34
1/4
0.25
6.35
1.044
-
1.378
35
-
0.2559
6.5
1.12
-
1.4173
36
17/64
0.2656
6.747
1.253
1 7/16
1.4375
37
-
0.2756
7
1.399
-
1.496
38
9/32
0.2812
7.144
1.487
1 1/2
1.5
39
-
0.2953
7.5
1.721
1 9/16
1.5625
40
19/64
0.2969
7.541
1.749
-
1.5748
41
5/16
0.3125
7.938
2.04
1 5/8
1.625
42
-
0.315
8
2.088
1 11/16
1.6875
43
-
0.3346
8.5
2.505
1 3/4
1.75
44
11/32
0.3437
8.731
2.715
-
1.7716
45
-
0.3543
9
2.973
1 13/16
1.8125
46
23/64
0.3594
9.128
3.102
1 7/8
1.875
47
-
0.374
9.5
3.497
1 15/16
1.9375
48
3/8
0.375
9.525
3.525
-
1.9685
49
25/64
0.3906
9.922
3.983
2
2
50
-
0.3937
10
4.079
2 1/8
2.125
51
13/32
0.4062
10.319
4.481
-
2.1653
52
-
0.4331
11
5.429
2 1/4
2.25
......
7/16
0.4375
11.112
5.597
-
2.3622
80
-
0.4528
11.5
6.203
2 3/8
2.375
81
29/64
0.4531
11.509
6.219
2 1/2
2.5
82
15/32
0.4687
11.906
6.884
-
2.559
83
-
0.4724
12
7.048
2 5/8
2.625
......
31/64
0.4844
12.303
7.596
2 3/4
2.75
90
1/2
0.5
12.7
8.355
-
5.7559
91
-
0.5118
13
8.961
2 7/8
2.875
92
17/32
0.5312
13.949
10.02
-
2.9528
93
-
0.5512
14
11.19
3
3
......
9/16
0.5625
14.288
11.9
3 1/8
3.125
100
-
0.5905
15
13.77
-
3.15
101
19/32
0.5937
15.081
13.99
3 1/4
3.25
110
5/8
0.625
15.85
16.32
-
3.3464
120
-
0.6299
16
16.7
3 1/2
3.5
130
21/32
0.6562
16.669
18.89
-
3.5433
140
-
0.6693
17
20.04
-
3.7401
150
11/16
0.6875
17.462
21.72
3 3/4
3.75
160
-
0.7087
18
23.79
-
3.937
.....
23/32
0.7187
18.256
24.82
200
KN STEEL BALL
