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A30424

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A30354 A70204
#A30424

Description

China GBT A30424 China structural steel and alloy steel and A30424 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: A30424
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel A30424 GBT China China structural steel and alloy steel
U40402
U40452
L20158
U41252
U41302
U41352
A20374
A20404
A30304
A30354

Chemical composition(mass fraction)(wt.%) of the A30424

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) Al(%)
0.38-0.45 Max 0.30 0.60-0.90 0.035 0.035 0.90-1.20 0.15-0.25 —

Mechanical Properties of steel grade A30424

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)
865 (≥) 423 (≥) 42 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade A30424

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
11 - -     0.22 -  
229 935 - 44.3 122   -  
772 - 13 12.2   322 421

Heat Treatment of steel grade A30424

Heat treated : 1831°C - 1324°C

Technological Curves of steel grade A30424

Cross Reference Table (Equivalent Grade) of A30424

Grade Standard Country Application
A30424 GBT China China structural steel and alloy steel
A30354 A70204
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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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