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8660H

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86B30H 8740H
#8660H

Description

Australia AS 8660H Australia Structural steel and 8660H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 8660H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 8660H AS Australia Australia Structural steel
4340 H
4620 H
5120H
5122H
5145H
6160H
8115H
8617H
8620H
86B30H

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

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 8660H

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)
442 (≥) 257 (≥) 22 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade 8660H

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
41 - -     0.22 -  
856 812 - 23.3 423   -  
959 - 43 11.2   113 223

Heat Treatment of steel grade 8660H

Heat treated : 1834°C - 1187°C

Technological Curves of steel grade 8660H

Cross Reference Table (Equivalent Grade) of 8660H

Grade Standard Country Application
8660H AS Australia Australia Structural steel
K8660HS AS Australia Australia Structural steel
86B30H 8740H
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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