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America SAE 87L42 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 87L42 / 87L42
Category Grade Standard Region/Area Standard Content
Metals 87L42 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the 87L42

Element Min Max Similar

Mechanical Properties of steel grade 87L42

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)
339 (≥) 744 (≥) 32 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade 87L42

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 - -     0.33 -  
932 222 - 31.3 314   -  
647 - 33 32.2   144 341

Heat Treatment of steel grade 87L42

Heat treated : 1396°C - 1987°C

Technological Curves of steel grade 87L42

Cross Reference Table (Equivalent Grade) of 87L42

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