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America AISI AISIO-1 Tool and die steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISIO-1 / AISI O-1
Category Grade Standard Region/Area Standard Content
Metals AISI O-1 SAE J 438 America Tool and die steels

Chemical composition(mass fraction)(wt.%) of the AISI O-1

Element Min Max Similar
W 0.4000 0.6000 -
V - 0.3000 -
Si 0.1000 0.5000 -
S - 0.0300 -
P - 0.0300 -
Ni+Cu - 0.7500 -
Mn 1.0000 1.4000 -
Cr 0.4000 0.7000 -
C 0.8500 1.0000 -
W 0.4000 0.6000 -
V - 0.2000 -
Si 0.2000 0.4000 -
Mn 1.0000 1.3000 -
Cr 0.4000 0.6000 -
C 0.8500 0.9500 -
W 0.4000 0.6000 -
V - 0.2000 -
Si 0.2000 0.4000 -
Mn 1.0000 1.3000 -
Cr 0.4000 0.6000 -
C 0.8500 0.9500 -

Mechanical Properties of steel grade AISI O-1

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
233 (≥) 828 (≥) 44 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade AISI O-1

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
22 - -     0.42 -  
186 664 - 31.3 343   -  
218 - 14 44.2   342 423

Heat Treatment of steel grade AISI O-1

Heat treated : 1647°C - 1711°C

Technological Curves of steel grade AISI O-1

Cross Reference Table (Equivalent Grade) of AISI O-1

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