Page 656 - Iscar

USER GUIDE
GUNDRILLS Tensile

Material
[N/mm2]
ISO
HB
125
< 0.25 %C Condition Strength Hardness
420
Annealed
>= 0.25 %C Annealed 650 190
Non-alloy steel and cast steel, < 0.55 %C Quenched and tempered 850 250
free cutting steel
>= 0.55 %C Annealed 750 220
Quenched and tempered 1000 300
P Annealed 600 200
Low alloy steel and cast steel 930 275
(less than 5% of alloying elements) Quenched and tempered 1000 300
1200 350
High alloyed steel, cast steel, Annealed 680 200
and tool steel Quenched and tempered 1100 325
Ferritic/martensitic 680 200
Stainless steel
Martensitic 820 240
M Stainless steel Austenitic 600 180
Ferritic/pearlitic 180
Grey cast iron (GG)
Pearlitic 260
K Nodular cast iron (GGG) Ferritic 160
Pearlitic 250
Ferritic 130
Malleable cast iron
Pearlitic 230
Aluminum- Not cureable 60
wrought alloy Cured 100
<=12% Si Not cureable 75
Aluminum-cast, Cured 90
alloyed
N >12% Si High temperature 130
Free cutting
110
>1% Pb
Copper alloys Brass 90
Electrolitic copper 100
Duroplastics, fiber plastics
Non-metallic
Hard rubber
Fe based Annealed 200
Cured 280
High temp. alloys Annealed 250
S Ni or Co based Cured 350
Cast 320
RM 400
Titanium Ti alloys
Alpha+beta alloys cured RM 1050

652 ISCAR