Page 495 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE

MATERIAL GROUPS

Based on ISO 513 and VDI 3323 standards
Material
Tensile Strength Hardness Group
ISO Material Condition [N/mm ] Kc1 [N/mm ] mc (2) HB No.
2
2
(1)
< 0.25 %C Annealed 420 1350 0.21 125 1 MATERIALS AND GRADES
≥ 0.25 %C Annealed 650 1500 0.22 190 2
Non-alloy steel and cast < 0.55 %C Quenched and tempered 850 1675 0.24 250 3
steel, free cutting steel
≥ 0.55 %C Annealed 750 1700 0.24 220 4
Quenched and tempered 1000 1900 0.24 300 5
Annealed 600 1775 0.24 200 6
P Low alloy and cast steel (less than 5% of 930 1675 0.24 275 7
alloying elements) Quenched and tempered 1000 1725 0.24 300 8
1200 1800 0.24 350 9
Annealed 680 2450 0.23 200 10
High alloyed steel, cast steel and tool steel
Quenched and tempered 1100 2500 0.23 325 11
Ferritic/martensitic 680 1875 0.21 200 12
Stainless steel and cast steel
Martensitic 820 1875 0.21 240 13
M Stainless steel and cast steel Austenitic, duplex 600 2150 0.20 180 14
Ferritic / pearlitic 1150 0.20 180 15
Gray cast iron (GG)
Pearlitic / martensitic 1350 0.28 260 16
Ferritic 1225 0.25 160 17
K Nodular cast iron (GGG)
Pearlitic 1350 0.28 250 18
Ferritic 1225 0.25 130 19
Malleable cast iron
Pearlitic 1420 0.3 230 20
Not hardenable 700 0.25 60 21
Aluminum-wrought alloys
Hardenable 800 0.25 100 22
≤12% Si Not hardenable 700 0.25 75 23
Aluminum-cast alloys Hardenable 700 0.25 90 24
>12% Si High temperature 750 0.25 130 25
N
>1% Pb Free cutting 700 0.27 110 26
Copper alloys Brass 700 0.27 90 27
Electrolytic copper 700 0.27 100 28
Duroplastics, fiber plastics 29
Non metallic
Hard rubber 30
Annealed 2600 0.24 200 31
Fe based
Hardened 3100 0.24 280 32
High temperature alloys Annealed 3300 0.24 250 33
Ni or Co
S based Hardened 3300 0.24 350 34
Cast 3300 0.24 320 35
Pure 400 1160 0.24 36
Titanium alloys Alpha+beta alloys,
hardened 1050 1245 0.24 37
Hardened 4600 55 HRC 38
Hardened steel
H Hardened 4700 60 HRC 39
Chilled cast iron Cast 4600 400 40
Cast iron Hardened 4500 55 HRC 41
Steel
Stainless Steel
Cast Iron
Non-ferrous
High Temp. and Titanium Alloys
Hardened Steel and Cast Iron
(1) Specific cutting force for 1 mm 2 chip section.
(2) Chip thickness factor.

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