This page provides ASTM A686-1999, T72305 datasheet, T72305 mechanical properties, chemical element T72305, technical specifications of T72305 steel material properties. T72305 performance specifications.

Category Class Grade Standard Country Application
Steel GradesTool Die Steels T72305 AISI USA Carbon tool steel
Datasheet for:Steel Grades:Tool Die Steels:T72305

Chemical composition(mass fraction)(wt.%) of the T72305

Elements Min.(≥) Max.(≤)
C 1.05 1.15
Si 0.10 0.40
Mn 0.10 0.40
P - 0.030
S - 0.030
Cr 0.40 0.60
V - 0.10
Ni - 0.20
Cu - 0.20
W - 0.15
Mo - 0.10

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade T72305

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
913 (≥) 917 (≥) 34 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
43 - -     0.13 -  
516 882 - 41.3 413   -  
664 - 11 21.2   131 113
Heat treated : 1568°C - 1223°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
Carbon tool steel
Relevant standard
Standard No. Description Download
ASTM A686-1999 Carbon tool steel
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ASTM A686-1999, T72305 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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