Thread Cutting
Stainless steels
| |
Hardeness
(HB) |
Resistance
RM (N/mm2) |
Extension
A (%) |
 |
Free machining stainless steels |
<250 |
<850 |
<25 |
 |
Austenitic |
<250 |
<850 |
>20 |
 |
Ferritic/ martensitic < 850 N/mm2 |
<250 |
<850 |
>20 |
 |
Ferritic/ martensitic 850 - 1150 N/mm2 |
>250 |
>850 |
>15 |