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A 529 Grade 42

Description

USA SAE A 529/A 529M, A 529 Grade 42 Specialsteel High-Strength Carbon-Manganese Steel of Structural Quality and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 529 Grade 42
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 529 Grade 42 Precipitation-Hardening SAE USA High-Strength Carbon-Manganese Steel of Structural Quality

Chemical composition(mass fraction)(wt.%) of the A 529 Grade 42

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.01 ≤0.20 ≤0.30 ≤ ≥ ≤ ≥ 2.00 -2.50 28.00 -30.00 ≤ ≥ ≤0.15 ≤ ≥ ≤ ≥ ≤0.02 3.50 -4.20

Mechanical Properties of steel grade A 529 Grade 42

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)
322 (≥) 126 (≥) 33 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade A 529 Grade 42

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
33 - -     0.43 -  
379 995 - 23.3 331   -  
626 - 21 42.2   333 441

Heat Treatment of steel grade A 529 Grade 42

Heat treated : 1499°C - 1217°C

Technological Curves of steel grade A 529 Grade 42

Cross Reference Table (Equivalent Grade) of A 529 Grade 42

Grade Standard Country Application
29-4-2
29-4-2
29-4-2
29-4-2
29-4-2(S44800)

Relevant standard of A 529 Grade 42

A 529/A 529M High-Strength Carbon-Manganese Steel of Structural Quality A-529-A-529M.pdf

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