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A20374

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U41352 A20404
#A20374

Description

China GBT A20374 China structural steel and alloy steel and A20374 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: A20374
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel A20374 GBT China China structural steel and alloy steel
A20204
U40252
U40302
U40352
U40402
U40452
L20158
U41252
U41302
U41352

Chemical composition(mass fraction)(wt.%) of the A20374

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%) Al(%)
0.34-0.41 Max 0.30 0.60-0.90 0.035 0.035 0.90-1.20 — —

Mechanical Properties of steel grade A20374

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)
614 (≥) 437 (≥) 44 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade A20374

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
34 - -     0.34 -  
944 812 - 12.3 422   -  
689 - 12 22.2   333 213

Heat Treatment of steel grade A20374

Heat treated : 1948°C - 1941°C

Technological Curves of steel grade A20374

Cross Reference Table (Equivalent Grade) of A20374

Grade Standard Country Application
A20374 GBT China China structural steel and alloy steel
U41352 A20404
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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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