ISO |
VDI |
Description |
Condition |
Hardness |
Strength |
Optimal |
P |
1 |
Steel – Non-alloy, cast & free cutting (~ 0.15 %C) |
Annealed |
125MPa |
440MPa |
. |
P |
2 |
Steel – Non-alloy, cast & free cutting (~ 0.45 %C) |
Annealed |
190MPa |
640MPa |
. |
P |
3 |
Steel – Non-alloy, cast & free cutting (~ 0.45 %C) |
Quenched & Tempered |
250MPa |
840MPa |
. |
P |
4 |
Steel – Non-alloy, cast & free cutting (~ 0.75 %C) |
Annealed |
270MPa |
910MPa |
. |
P |
5 |
Steel – Non-alloy, cast & free cutting (~ 0.75 %C) |
Quenched & Tempered |
300MPa |
1010MPa |
. |
P |
6 |
Steel – Low alloy & cast < 5% of alloying elements |
Annealed |
180MPa |
610MPa |
. |
P |
7 |
Steel – Low alloy & cast < 5% of alloying elements |
Quenched & Tempered |
275MPa |
930MPa |
. |
P |
8 |
Steel – Low alloy & cast < 5% of alloying elements |
Quenched & Tempered |
300MPa |
1010MPa |
. |
P |
9 |
Steel – Low alloy & cast < 5% of alloying elements |
Quenched & Tempered |
350MPa |
1180MPa |
. |
P |
10 |
Steel – High alloy, cast & tool |
Annealed |
200MPa |
680MPa |
. |
P |
11 |
Steel – High alloy, cast & tool |
Hardened & Tempered |
325MPa |
1100MPa |
. |
P |
12 |
Steel – Corrosion resistant & cast – Ferritic / Martensitic |
Annealed |
200HB |
680MPa |
|
P |
13 |
Steel – Corrosion resistant & cast – Martensitic |
Quenched & Tempered |
240MPa |
810MPa |
. |
M |
14.1 |
Stainless Steel – Austenitic |
Age Hardened |
180HB |
610MPa |
|
M |
14.2 |
Stainless Steel – Duplex |
|
250HB |
840MPa |
|
M |
14.3 |
Stainless Steel – Precipitation Hardening |
|
250MPa |
840MPa |
° |
K |
15 |
Cast Iron, Grey (GG) – Ferritic / Pearlitic |
|
180MPa |
610MPa |
. |
K |
16 |
Cast Iron, Grey (GG) – Pearlitic |
|
260MPa |
880MPa |
. |
K |
17 |
Cast Iron, Nodular (GGG) – Ferritic |
|
160MPa |
570MPa |
. |
K |
18 |
Cast Iron, Nodular (GGG) – Pearlitic |
|
250MPa |
840MPa |
. |
K |
19 |
Cast Iron, Malleable – Ferritic |
|
130MPa |
460MPa |
. |
K |
20 |
Cast Iron, Malleable – Pearlitic |
|
230MPa |
780MPa |
. |
N |
21 |
Aluminum & Magnesium, wrought alloy – Non Heat Treatable |
|
60HB |
210MPa |
|
N |
22 |
Aluminum & Magnesium, wrought alloy – Heat Treatable |
Age Hardened |
100HB |
360MPa |
|
N |
23 |
Aluminum & Magnesium, cast alloy ≤12% Si – Non Heat Treatabl |
|
75HB |
270MPa |
|
N |
24 |
Aluminum & Magnesium, cast alloy ≤12% Si – Heat Treatable |
Age Hardened |
90HB |
320MPa |
|
N |
25 |
Aluminum & Magnesium, cast alloy >12% Si – Non Heat Treatabl |
|
130HB |
460MPa |
|
N |
26 |
Copper & Copper alloys (Brass/Bronze) – Free cutting, Pb > 1 |
|
110HB |
390MPa |
|
N |
27 |
Copper & Copper alloys (Brass/Bronze) – Brass (CuZn, CuSnZn) |
|
90HB |
320MPa |
|
N |
28 |
Copper & Copper alloys (Brass/Bronze) – Bronze (CuSn) |
|
100HB |
360MPa |
|
N |
29 |
Non-metallic – Thermosetting & fiber-reinforced plastics |
|
|
|
|
N |
30 |
Non-metallic – Hard rubber, wood etc. |
|
|
|
|
S |
31 |
High temperature alloys – Fe based |
Annealed |
200HB |
680MPa |
|
S |
32 |
High temperature alloys – Fe based |
Age Hardened |
280HB |
950MPa |
|
S |
33 |
High temperature alloys – Ni / Co based |
Annealed |
250HB |
840MPa |
|
S |
34 |
High temperature alloys – Ni / Co based |
Age Hardened |
350HB |
1180MPa |
|
S |
35 |
High temperature alloys – Ni / Co based |
Cast |
320HB |
1080MPa |
|
S |
36 |
Titanium & Titanium alloys – CP Titanium |
|
|
400MPa |
° |
S |
37.1 |
Titanium & Titanium alloys – Alpha alloys |
|
|
860MPa |
° |
S |
37.2 |
Titanium & Titanium alloys – Alpha / Beta alloys |
Annealed |
|
960MPa |
° |
S |
37.3 |
Titanium & Titanium alloys – Alpha / Beta alloys |
Age Hardened |
|
1170MPa |
|
S |
37.4 |
Titanium & Titanium alloys – Beta alloys |
Annealed |
|
830MPa |
° |
S |
37.5 |
Titanium & Titanium alloys – Beta alloys |
Age Hardened |
|
1400MPa |
|
H |
38.1 |
Hardened steel |
Hardened & Tempered |
45 |
|
° |
H |
38.2 |
Hardened steel |
Hardened & Tempered |
55HRC |
|
|
H |
39.1 |
Hardened steel |
Hardened & Tempered |
58HRC |
|
|
H |
39.2 |
Hardened steel |
Hardened & Tempered |
62HRC |
|
|
H |
40 |
Cast Iron – Chilled |
Cast |
400MPa |
1350MPa |
. |
H |
41 |
Cast Iron |
Hardened & Tempered |
55HRC |
|
|