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5120H

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4620 H 5122H
#5120H

Description

Australia AS 5120H Australia Structural steel and 5120H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 5120H
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 5120H AS Australia Australia Structural steel
X9931
X9940
X1320H
X3312H
4130H
4140H
4150H
X4317H
4340 H
4620 H

Chemical composition(mass fraction)(wt.%) of the 5120H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.17-0.23 0.10-0.35 0.60- 1.00 0.04 0.04 0.60-1.00

Mechanical Properties of steel grade 5120H

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)
836 (≥) 187 (≥) 34 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 5120H

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
23 - -     0.12 -  
329 378 - 24.3 343   -  
677 - 33 12.2   214 213

Heat Treatment of steel grade 5120H

Heat treated : 1323°C - 1866°C

Technological Curves of steel grade 5120H

Cross Reference Table (Equivalent Grade) of 5120H

Grade Standard Country Application
5120H AS Australia Australia Structural steel
4620 H 5122H
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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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