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PARTING Workpiece Materials Condition Tensile Strength Hardness HB USER GUIDE (1)

Material
ISO
[ksi]
Material
Group No.
94
190
≥0.25% C
Annealed
Non-alloy steel and cast <0.25% C Annealed 61 125 1 2
steel, free cutting steel <0.55% C Quenched and tempered 123 250 3 4
109
Annealed
220
≥0.55% C
Quenched and tempered 145 300 5
P Annealed 87 200 6
Low alloy and cast steel (less than 135 275 7
5% of alloying elements) Quenched and tempered 145 300 8
174 350 9
Annealed 99 200 10
High alloyed steel, cast steel and tool steel
Quenched and tempered 160 325 11
Ferritic / martensitic 99 200 12
P Stainless steel and cast steel
Martensitic 119 240 13

M Stainless steel and cast steel Austenitic, duplex 87 180 14

Ferritic / pearlitic 180 15
Gray cast iron (GG)
Pearlitic / martensitic 260 16
Ferritic 160 17
K Nodular cast iron (GGG)
Pearlitic 250 18
Ferritic 130 19
Malleable cast iron
Pearlitic 230 20

Not hardenable 60 21
Aluminum-wrought alloys
Hardenable 100 22
Not hardenable 75 23
≤12% Si
Aluminum-cast alloys Hardenable 90 24
>12% Si High temperature 130 25
N
>1% Pb Free cutting 110 26
Copper alloys Brass 90 27
Electrolytic copper 100 28
Duroplastics, fiber plastics 29
Non metallic
Hard rubber 30

Annealed 200 31
Fe based
Hardened 280 32
High temperature alloys Annealed 250 33
S Ni or Co Hardened 350 34
based
Cast 320 35
Pure 58 190 36
Titanium alloys
Alpha+Beta alloys, hardened 152 310 37

Hardened 55 HRC 38
Hardened steel
H Hardened 60 HRC 39
Chilled cast iron Cast 400 40
Cast iron Hardened 55 HRC 41
(1) For material groups, see pages 852-882

600 ISCAR