Standard
|
Material Comparison Table |
|||||||||
|
Country |
Standard |
Chrome Steel |
Carbon Steel |
Stainless Steel |
|||||
|
China |
YB |
GCr15 |
10 |
15 |
85 |
0Cr19Ni9 |
0Cr17Ni12Mo2 |
3Cr13 |
9Cr18 |
|
USA |
AISI |
E52100 |
1010 |
1015 |
1084 |
304 |
316 |
420 |
440C |
|
Japan |
JIS |
SUJ2 |
S9CK |
S15CK |
SUP3 |
SUS304 |
SUS316 |
SUS420J2 |
SUS440C |
|
Germany |
DIN |
100Cr6 |
CK10 |
CK15 |
|
X5CrNi189 |
X5CrNiMn18 |
X30Cr13 |
|
|
|
|
1.3505 |
|
|
|
1.4301 |
10(1.4401) |
1.4028 |
|
|
International standard: ISO 3290-1:2008 |
|||||
|
Grade |
Preferred ball gauges |
Variation of ball lot diameter |
Variation of ball diameter |
Deviation from spherical form |
Surface roughness |
|
|
TDB |
VDWL |
VDWS |
△Sph |
Ra |
|
|
(μm) |
(μm) |
(μm) |
(μm) |
(μm) |
|
|
|
≤ |
≤ |
≤ |
≤ |
|
G3 |
±5 |
0.13 |
0.08 |
0.08 |
0.01 |
|
G5 |
±5 |
0.25 |
0.13 |
0.13 |
0.014 |
|
G10 |
±9 |
0.5 |
0.25 |
0.25 |
0.02 |
|
G16 |
±10 |
0.8 |
0.4 |
0.4 |
0.025 |
|
G20 |
±10 |
1 |
0.5 |
0.5 |
0.032 |
|
G24 |
±12 |
1.2 |
0.6 |
0.6 |
0.04 |
|
G28 |
±12 |
1.4 |
0.7 |
0.7 |
0.05 |
|
G40 |
±16 |
2 |
1 |
1 |
0.06 |
|
G60 |
±18 |
3 |
1.5 |
1.5 |
0.08 |
|
G100 |
±40 |
5 |
2.5 |
2.5 |
0.1 |
|
G200 |
±60 |
10 |
5 |
5 |
0.15 |
|
|
|
|
|
|
|
|
USA AFBMA 10 1989 |
|||||
|
Grade |
Preferred ball gauges |
Variation of ball lot diameter |
Variation of ball diameter |
Deviation from spherical form |
Surface roughness |
|
|
TDB |
VDWL |
VDWS |
△Sph |
Ra |
|
|
(μm) |
(μm) |
(μm) |
(μm) |
(μm) |
|
|
|
≤ |
≤ |
≤ |
≤ |
|
G3 |
±0.76 |
0.13 |
0.08 |
0.08 |
0.012 |
|
G5 |
±1.27 |
0.25 |
0.13 |
0.13 |
0.02 |
|
G10 |
±2.54 |
0.5 |
0.25 |
0.25 |
0.025 |
|
G16 |
±2.54 |
0.8 |
0.4 |
0.4 |
0.032 |
|
G24 |
±2.54 |
1.2 |
0.6 |
0.6 |
0.05 |
|
G48 |
±5.08 |
2.4 |
1.2 |
1.2 |
0.08 |
|
G100 |
±12.7 |
5 |
2.5 |
2.5 |
0.125 |
|
G200 |
±25.4 |
10 |
5 |
5 |
0.2 |
|
G500 |
±50.8 |
25 |
13 |
13 |
------- |
|
G1000 |
±127 |
50 |
25 |
25 |
------- |
|
G2000 |
±127 |
100 |
50 |
50 |
------- |
|
Germany DIN 5401 2002 |
|||||
|
Grade |
Preferred ball gauges |
Variation of ball lot diameter |
Variation of ball diameter |
Deviation from spherical form |
Surface roughness |
|
|
TDB |
VDWL |
VDWS |
△Sph |
Ra |
|
|
(μm) |
(μm) |
(μm) |
(μm) |
(μm) |
|
|
|
≤ |
≤ |
≤ |
≤ |
|
G3 |
±5.32 |
0.13 |
0.08 |
0.08 |
0.01 |
|
G5 |
±5.63 |
0.25 |
0.13 |
0.13 |
0.014 |
|
G10 |
±9.75 |
0.5 |
0.25 |
0.25 |
0.02 |
|
G16 |
± 11.4 |
0.8 |
0.4 |
0.4 |
0.025 |
|
G20 |
±11.5 |
1 |
0.5 |
0.5 |
0.032 |
|
G28 |
±13.7 |
1.4 |
0.7 |
0.7 |
0.05 |
|
G40 |
±19 |
2 |
1 |
1 |
0.06 |
|
G100 |
±47.5 |
5 |
2.5 |
2.5 |
0.1 |
|
G200 |
±72.5 |
10 |
5 |
5 |
0.15 |
|
G300 |
±70 |
---- |
10 |
10 |
0.2 |
|
G300 |
±105 |
---- |
15 |
15 |
0.2 |
|
G500 |
±75 |
---- |
25 |
25 |
0.2 |
|
G500 |
±112.5 |
---- |
25 |
25 |
0.2 |
|
G600 |
±200 |
---- |
---- |
---- |
---- |
|
G700 |
±1000 |
---- |
---- |
---- |
---- |
Conversion chart＆weight list of steel balls size
|
Diameter |
kg/1000pcs |
pcs/kg |
Diameter |
kg/1000pcs |
pcs/kg |
|
mm inch |
kg |
piece about |
mm inch |
kg |
piece about |
|
0.5000 |
0.00051 |
1960780 |
13.4938 17/32 |
10.0 |
100 |
|
0.6800 |
0.00128 |
781250 |
14.0000 |
11.18 |
89 |
|
0.8000 |
0.00209 |
478470 |
14.2875 9/16 |
11.9 |
84. |
|
1.0000 |
0.00408 |
245100 |
15.0812 19/32 |
14.0 |
71.4 |
|
1.2000 |
0.00705 |
141840 |
15.8750 5/8 |
16.3 |
61.3 |
|
1.3000 |
0.00893 |
111980 |
16.0000 |
16.69 |
59.9 |
|
1.4500 |
0.0124 |
80645 |
16.6688 21/32 |
18.9 |
52.9 |
|
1.5880 1/16 |
0.016 |
62350 |
17.0000 |
20.02 |
50 |
|
1.7500 |
0.0218 |
45871 |
17.4625 11/16 |
21.7 |
46.1 |
|
2.0000 |
0.0326 |
30700 |
18.2562 23/32 |
24.8 |
40.3 |
|
2.3812 3/32 |
0.055 |
18182 |
19.0000 |
27.96 |
35.77 |
|
2.5000 |
0.0637 |
15698 |
19.0500 3/4 |
28.2 |
35.5 |
|
2.7780 |
0.088 |
11349 |
19.8438 25/32 |
31.9 |
31.4 |
|
3.0000 |
0.11 |
9091 |
20.6370 13/16 |
35.8 |
27.9 |
|
3.1750 1/8 |
0.131 |
7634 |
21.0000 |
37.75 |
26.49 |
|
3.5000 |
0.175 |
5717 |
21.4313 27/32 |
40.1 |
24.9 |
|
3.9688 5/32 |
0.255 |
3922 |
22.2250 7/8 |
44.8 |
22.3 |
|
4.0000 |
0.261 |
3831 |
23.0000 |
49.59 |
20.17 |
|
4.7625 3/16 |
0.441 |
2268 |
23.0188 29/32 |
49.8 |
20.1 |
|
5.0000 |
0.51 |
1961 |
23.8125 15/16 |
55.1 |
18.2 |
|
5.5562 7/32 |
0.699 |
1431 |
24.0000 |
56.34 |
17.75 |
|
5.9531 15/64 |
0.86 |
1163 |
24.6063 31/32 |
60.8 |
16.5 |
|
6.0000 |
0.881 |
1136 |
25.0000 |
63.68 |
15.7 |
|
6.3500 1/4 |
1.04 |
962 |
25.4000 1 |
66.8 |
15 |
|
6.5000 |
1.119 |
894 |
26.1938 1-1/32 |
73.3 |
13.64 |
|
6.7469 17/64 |
1.25 |
800 |
26.9875 1-1/16 |
80.2 |
12.47 |
|
7.1438 9/32 |
1.49 |
671 |
27.7812 1-3/32 |
87.4 |
11.4 |
|
7.9375 5/16 |
2.04 |
490 |
28.0000 |
89.47 |
11.18 |
|
8.0000 |
2.09 |
478 |
28.5750 1-1/8 |
95.2 |
10.5 |
|
8.5000 |
2.5 |
400 |
30.1625 1-3/16 |
112 |
8.93 |
|
8.7312 11/32 |
2.71 |
369 |
31.7500 1-1/4 |
130.6 |
7.66 |
|
9.0000 |
2.97 |
337 |
33.3375 1-5/16 |
151.1 |
6.62 |
|
9.5250 3/8 |
3.52 |
284 |
34.9250 1-3/8 |
173.8 |
5.75 |