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AISI Type D2 Tool Steel, air-quenched from 1010°C, tempered at 450°C
Categories:
Metal
;
Ferrous Metal
;
Carbon Steel
;
High Carbon Steel
;
Tool Steel
;
Cold Work Steel
Material Notes:
high carbon, high chromium
Key Words:
UNS T30402, ASTM A681, FED QQ-T-570, SAE J437, SAE J438, DIN 1.2379, B. JIS G4404(83) SKD11 SKD-11 SDK 11
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Physical Properties
Metric
English
Comments
Density
7.70
g/cc
0.278
lb/in³
Mechanical Properties
Metric
English
Comments
Hardness, Knoop
682
682
Converted from Rockwell C hardness.
Hardness, Rockwell C
58
58
Hardness, Vickers
661
661
Izod Impact Unnotched
63.0
J
46.5
ft-lb
Thermal Properties
Metric
English
Comments
CTE, linear
10.5
µm/m-°C
@Temperature 20.0 - 100 °C
5.83
µin/in-°F
@Temperature 68.0 - 212 °F
11.8
µm/m-°C
@Temperature 0.000 - 300 °C
6.56
µin/in-°F
@Temperature 32.0 - 572 °F
12.5
µm/m-°C
@Temperature 0.000 - 500 °C
6.94
µin/in-°F
@Temperature 32.0 - 932 °F
Processing Properties
Metric
English
Comments
Processing Temperature
205
-
540
°C
401
-
1000
°F
Tempering Temperature
980
-
1025
°C
1800
-
1877
°F
Hardening Temperature
Annealing Temperature
870
-
900
°C
1600
-
1650
°F
Component Elements Properties
Metric
English
Comments
Carbon, C
1.4 - 1.6 %
1.4 - 1.6 %
Chromium, Cr
11 - 13 %
11 - 13 %
Cobalt, Co
<= 1.0 %
<= 1.0 %
Iron, Fe
80.8 - 86.9 %
80.8 - 86.9 %
As Balance
Manganese, Mn
<= 0.60 %
<= 0.60 %
Molybdenum, Mo
0.70 - 1.2 %
0.70 - 1.2 %
Phosphorus, P
<= 0.030 %
<= 0.030 %
Silicon, Si
<= 0.60 %
<= 0.60 %
Sulfur, S
<= 0.030 %
<= 0.030 %
Vanadium, V
<= 1.1 %
<= 1.1 %
References
for this datasheet.
Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's
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