|
 |
Greenfield
EX-HPC Solid Carbide Taps |
| |
Straight Flute
Plug Chamfer Taps
Recommended |
For Right Hand Threads
Left Hand Spiral Fluted
Plug Chamfer Taps
Recommended |
| Workpiece Material Group |
Examples |
Hardness |
SFM |
m/min |
SFM |
m/min |
| low carbon steel (<0.25% C) |
1018 |
<220 HB |
— |
— |
300-400 |
100-130 |
| free machining steel |
12L14 |
<275 HB |
— |
— |
250-350 |
80-120 |
| medium and high plain-carbon,
alloy, and tool steels |
1040, 4340, H13, D2 |
<320 HB
<32 HRC |
— |
— |
200-300 |
70-100 |
ferritic, martensitic, and
PH stainless steels |
430, 410, 17-4PH |
<320 HB
<32 HRC |
— |
— |
150-210 |
50-70 |
ductile (nodular) and
malleable cast irons |
A47, A536 |
<300 HB |
250-400 |
80-130 |
250-400 |
80-130 |
| gray cast iron |
Class 20-50 |
<300 HB |
250-400 |
80-130 |
— |
— |
|
|
