International Standards:
| ABMA
/ ISO 3290 : 2001 (E) |
(Values in Micron) |
|
| Grade |
Variation of Ball
Diameter
VDWS max |
Deviation from
Sperical Form
tDW max |
Surface
Roughness
Ra max |
Lot dia.
Variation
VDWL max |
| G3 |
0.08 |
0.08 |
0.010 |
0.13 |
| G5 |
0.13 |
0.13 |
0.014 |
0.25 |
| G10 |
0.25 |
0.25 |
0.020 |
0.5 |
| G16 |
0.4 |
0.4 |
0.025 |
0.8 |
| G20 |
0.5 |
0.5 |
0.032 |
1 |
| G24 |
0.6 |
0.6 |
0.040 |
1.2 |
| G28 |
0.7 |
0.7 |
0.050 |
1.4 |
| G40 |
1 |
1 |
0.060 |
2 |
| G60 |
1.5 |
1.5 |
0.080 |
3 |
| G100 |
2.5 |
2.5 |
0.100 |
5 |
| G200 |
5 |
5 |
0.150 |
10 |
| G500* |
12.5 |
12.5 |
- |
25 |
| G1000* |
25 |
25 |
- |
50 |
* According to ABMA Standard
Top
Corrosion Resistance /chart:
| METALLIC
MATERIAL |
 |
 |
WATER |
FOOD |
LIQUOR |
DILUTE
ACIDS
5.15 < 48.9°C |
ACIDS
> 50% |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| AISI
E 52100 |
C |
• |
B |
B |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
B |
C |
| AISI
302/304 |
B |
A |
A |
A |
A |
A |
B |
B |
A |
D |
B |
B |
B |
B |
• |
B |
B |
A |
A |
| AISI
316 |
B |
A |
A |
A |
A |
A |
A |
A |
B |
D |
• |
B |
A |
B |
A |
A |
A |
A |
B |
| AISI
420 |
B |
D |
A |
A |
• |
C |
C |
B |
• |
C |
• |
• |
• |
• |
• |
• |
• |
B |
C |
| AISI
420C |
B |
D |
A |
A |
• |
C |
C |
B |
• |
C |
• |
• |
• |
• |
• |
• |
• |
B |
C |
| AISI
440C |
B |
C |
B |
B |
• |
B |
B |
C |
• |
D |
• |
• |
• |
• |
• |
• |
• |
C |
B |
| AISI
1085 |
C |
§ |
D |
D |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
• |
B |
C |
| BRASS |
C |
C |
B |
C |
C |
D |
D |
D |
C |
D |
• |
• |
• |
D |
• |
• |
C |
• |
C |
| MONEL |
C |
A |
A |
A |
B |
D |
C |
C |
A |
A |
D |
• |
• |
B |
• |
• |
C |
A |
A |
Symbols indicating order of preference:
A = Excellent / B = Good / C = Fair / D = Poor / •
= Not Suitable
* = Satisfactory only over 75% concentration |
