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5145

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51B40 5155
#5145

Description

Australia AS 5145 Australia Structural steel and 5145 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 5145
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 5145 AS Australia Australia Structural steel
4140
4150
X4317
X4330
4340
4620
5120
5132
5140
51B40

Chemical composition(mass fraction)(wt.%) of the 5145

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.43-0.48 0.10-0.35 0.70-0.90 0.04 0.04 0.70-0.90

Mechanical Properties of steel grade 5145

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)
425 (≥) 923 (≥) 41 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 5145

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 - -     0.41 -  
527 386 - 13.3 432   -  
148 - 14 22.2   231 344

Heat Treatment of steel grade 5145

Heat treated : 1297°C - 1955°C

Technological Curves of steel grade 5145

Cross Reference Table (Equivalent Grade) of 5145

Grade Standard Country Application
5145 AS Australia Australia Structural steel
5145H AS Australia Australia Structural steel
51B40 5155
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Jiangyou Longhai Special Steel Co.,Ltd.

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