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AISI 8660 H

America AISI AISI8660H Hardenability bands for carbon and alloy H steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI8660H / AISI 8660 H
Category Grade Standard Region/Area Standard Content
Metals AISI 8660 H SAE J 1268 America Hardenability bands for carbon and alloy H steels

Chemical composition(mass fraction)(wt.%) of the AISI 8660 H

Element Min Max Similar

Mechanical Properties of steel grade AISI 8660 H

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)
896 (≥) 192 (≥) 22 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade AISI 8660 H

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
32 - -     0.24 -  
662 862 - 23.3 223   -  
424 - 13 21.2   131 243

Heat Treatment of steel grade AISI 8660 H

Heat treated : 1386°C - 1841°C

Technological Curves of steel grade AISI 8660 H

Cross Reference Table (Equivalent Grade) of AISI 8660 H

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