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A 829 4145

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A 829 4142 A 829 4150
#29-4

Description

USA SAE A 829/A 829M (2011), A 829 4145 Specialsteel Alloy Structural Steel Plates and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 829 4145
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 829 4145 Precipitation-Hardening SAE USA Alloy Structural Steel Plates

Chemical composition(mass fraction)(wt.%) of the A 829 4145

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.01 ≤0.20 ≤0.30 ≤ ≥ ≤ ≥ ≤0.15 28.00 -30.00 ≤ ≥ ≤0.15 ≤ ≥ ≤ ≥ ≤0.02 3.50 -4.20

Mechanical Properties of steel grade A 829 4145

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)
457 (≥) 733 (≥) 41 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade A 829 4145

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
13 - -     0.23 -  
955 531 - 13.3 221   -  
754 - 11 22.2   313 442

Heat Treatment of steel grade A 829 4145

Heat treated : 1234°C - 1353°C

Technological Curves of steel grade A 829 4145

Cross Reference Table (Equivalent Grade) of A 829 4145

Grade Standard Country Application
29-4
29-4C
29-4-2
29-4
29-4-2
29-4C
29-4
29-4-2
29-4
29-4-2
29-4C(S44735)
29-4-2(S44800)
X2CrMoTi29-4
X2CrMoTi29-4

Relevant standard of A 829 4145

A 829/A 829M (2011) Alloy Structural Steel Plates A-829-A-829M-(2011).pdf
A 829 4142 A 829 4150
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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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