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America ASTM A242 高强度低合金结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A242 / A242
Category Grade Standard Region/Area Standard Content
Metals A242 ASTM A242/A242M America 高强度低合金结构钢

Chemical composition(mass fraction)(wt.%) of the A242

Element Min Max Similar
Cu 0.2000 - -
P - 0.1500 -
S - 0.0500 -
Mn - 1.0000 -
C - 0.1500 -

Mechanical Properties of steel grade A242

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)
735 (≥) 395 (≥) 22 21 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade A242

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 - -     0.42 -  
151 868 - 13.3 124   -  
875 - 32 43.2   312 222

Heat Treatment of steel grade A242

Heat treated : 1993°C - 1914°C

Technological Curves of steel grade A242

Cross Reference Table (Equivalent Grade) of A242

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