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GRADES AND MATERIALS
4.2 Material Groups
According to DIN / ISO 513 and VDI 3323
Tensile
Strength K 1 Hardness Material
c
2
2
ISO Material Condition [N/mm ] [N/mm ] mc HB No.
< 0.25 %C Annealed 420 1350 0.21 125 1
>= 0.25 %C Annealed 650 1500 0.22 190 2
Non-alloy steel < 0.55 %C Quenched and 850 1675 0.24 250 3
and cast steel, tempered
free cutting steel Annealed 750 1700 0.24 220 4
>= 0.55 %C Quenched and 1000 1900 0.24 300 5
tempered
P Low alloy steel and cast steel Annealed 600 1775 0.24 200 6
930
1675
275
0.24
7
(less than 5% of alloying elements) Quenched and 1000 1725 0.24 300 8
tempered
1200 1800 0.24 350 9
Annealed 680 2450 0.23 200 10
High alloyed steel, cast steel, Quenched and
and tool steel 1100 2500 0.23 325 11
tempered
Ferritic/martensitic 680 1875 0.21 200 12
Stainless steel and cast steel
Martensitic 820 1875 0.21 240 13
M Stainless steel Austenitic, duplex 600 2150 0.20 180 14
Ferritic/pearlitic 1150 0.20 180 15
Grey cast iron (GG)
Pearlitic 1350 0.28 260 16
Ferritic
K Nodular cast iron (GGG) Pearlitic 1225 0.25 160 17
250
0.28
1350
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 alloy
Hardenable 800 0.25 100 22
<=12% Si Not hardenable 700 0.25 75 23
Aluminum-cast, Hardenable 700 0.25 90 24
alloyed
>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
Non metallic plastics 29
Hard rubber 30
Fe based Annealed 2600 0.24 200 31
Hardened 3100 0.24 280 32
High temperature Annealed 3300 0.24 250 33
alloys
S Ni or Co based Hardened 3300 0.24 350 34
3300
0.24
35
Cast
320
Pure RM 400 1700 0.23 36
Titanium alloys Alpha+beta alloys RM 1050 2110 0.22 37
hardened
Hardened 4600 55 HRC 38
Hardened steel
H Chilled cast iron Hardened 4700 60 HRC 39
40
Cast
4600
400
Cast iron Hardened 4500 55 HRC 41
Steel Stainless Steel Cast Iron Nonferrous High Temp. and Titanium Alloys Hardened Steel and Cast Iron
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