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Description

Australia AS K8660HS Australia Structural steel and K8660HS Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: K8660HS
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel K8660HS AS Australia Australia Structural steel
K1095S
XK5150S
XK5155S
XK5160S
XK51B60S
XK8660S
XK9258S
XK9261S
K5160HS
K51B60HS

Chemical composition(mass fraction)(wt.%) of the K8660HS

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.55-0.65 0.10-0.35 0.70-1.05 0.040 0.04 0.35-0.65 0.35-0.75 0.15-0.25

Mechanical Properties of steel grade K8660HS

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)
426 (≥) 165 (≥) 43 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade K8660HS

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
21 - -     0.11 -  
685 565 - 24.3 242   -  
932 - 32 42.2   132 233

Heat Treatment of steel grade K8660HS

Heat treated : 1436°C - 1177°C

Technological Curves of steel grade K8660HS

Cross Reference Table (Equivalent Grade) of K8660HS

Grade Standard Country Application
K8660HS AS Australia Australia Structural steel

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