Surface Roughness Table
- Shows the roughness average for different
manufacturing processes in micrometers and
microinches. The values are shown with a
typical range and a less frequent range
for each manufacturing process.
| |
Average
Range |
| |
Less
Frequent Range |
Manufacturing
Process |
Roughness
Average
Top Number - Micrometers
Bottom Number - (Microinches)
|
| |
50
(2000) |
25
(1000) |
12.5
(500) |
6.3
(250) |
3.2
(125) |
1.6
(63) |
0.80
(32) |
0.40
(16) |
0.20
(8) |
0.10
(4) |
0.05
(2) |
0.025
(1) |
0.012
(.5) |
| Flame
Cutting |
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| Snagging |
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| Sawing |
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| Planing,
Shaping |
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| Drilling |
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| Chemical
Milling |
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| Elect
Discharge Machining |
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| Milling |
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| Broaching |
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| Reaming |
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| Electron
Beam |
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| Laser |
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| Electro-Chemical |
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| Boring,
Turning |
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| Barrel
Finishing |
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50
(2000) |
25
(1000) |
12.5
(500) |
6.3
(250) |
3.2
(125) |
1.6
(63) |
0.80
(32) |
0.40
(16) |
0.20
(8) |
0.10
(4) |
0.05
(2) |
0.025
(1) |
0.012
(.5) |
| Electrolytic
Grinding |
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| Roller
Burnishing |
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| Grinding
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| Honing |
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| Electro-Polish |
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| Polishing |
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| Lapping |
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| Super
Finishing |
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| Sand
Casting |
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| Hot
Rolling |
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| Forging |
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| Permanent
Mold Casting |
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| Investment
Casting |
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| Extruding |
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| Cold
Rolling, Drawing |
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| Die
Casting |
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|
50
(2000) |
25
(1000) |
12.5
(500) |
6.3
(250) |
3.2
(125) |
1.6
(63) |
0.80
(32) |
0.40
(16) |
0.20
(8) |
0.10
(4) |
0.05
(2) |
0.025
(1) |
0.012
(.5) |
|
