ASTM A681 Grade Type D4 Cold Drawn
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Description
Related Standards
Equivalent Materials
Properties
Mechanical
Hardness, Brinell HB
269 [-] at 20 °C
Thermal
Coefficient of thermal expansion α
1E-5 - 1.3E-5 1/K at 20 °C
Typical for Tool And Machining Steel
Melting point Tm
1370 - 1425 °C
Typical for Tool And Machining Steel
Specific heat capacity cp
420 - 460 J/(kg·K) at 20 °C
Typical for Tool And Machining Steel
Thermal conductivity λ
17 - 42 W/(m·K) at 20 °C
Typical for Tool And Machining Steel
Chemical properties
Element
Weight %
Comment
Cr
11 - 13 %
C
2.05 - 2.4 %
Mo
0.7 - 1.2 %
V
0.15 - 1 %
Mn
0.1 - 0.6 %
This material data has been provided by ASTM.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.
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