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X7039

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4340 X7232
#X7039

Description

Australia AS X7039 Australia Structural steel and X7039 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: X7039
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel X7039 AS Australia Australia Structural steel
86B30H
8660H
8740H
9260H
926LH
X9315H
X4036
4130
4140
4340

Chemical composition(mass fraction)(wt.%) of the X7039

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.35-0.43 0.10-0.35 0.40-0.65 0.025 0.025 1.40-1.80 0.15-0.25

Mechanical Properties of steel grade X7039

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)
974 (≥) 911 (≥) 23 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade X7039

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
14 - -     0.43 -  
511 866 - 13.3 342   -  
456 - 23 21.2   133 144

Heat Treatment of steel grade X7039

Heat treated : 1323°C - 1312°C

Technological Curves of steel grade X7039

Cross Reference Table (Equivalent Grade) of X7039

Grade Standard Country Application
X7039 AS Australia Australia Structural steel
4340 X7232
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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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