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A73204

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A73154 ML10
#A73204

Description

China GBT A73204 China structural steel and alloy steel and A73204 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: A73204
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel A73204 GBT China China structural steel and alloy steel
A30424
A70204
A70284
A70354
A71145
A71204
A71354
A20378
A74204
A73154

Chemical composition(mass fraction)(wt.%) of the A73204

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) B(%) Al(%)
0.19-0.24 Max 0.30 1.20-1.60 0.035 0.035 — 0.07-0.12 0.0005-0.0035 0.02

Mechanical Properties of steel grade A73204

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)
547 (≥) 162 (≥) 43 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A73204

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 - -     0.23 -  
123 996 - 32.3 312   -  
694 - 14 42.2   324 422

Heat Treatment of steel grade A73204

Heat treated : 1291°C - 1436°C

Technological Curves of steel grade A73204

Cross Reference Table (Equivalent Grade) of A73204

Grade Standard Country Application
A73204 GBT China China structural steel and alloy steel
A73154 ML10
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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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