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America SAE 1040 Chemical Compositions of SAE Carbon Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1040 / 1040
Category Grade Standard Region/Area Standard Content
Metals 1040 SAE J 403 America Chemical Compositions of SAE Carbon Steels

Chemical composition(mass fraction)(wt.%) of the 1040

Element Min Max Similar
Si - 0.2500 -
S - 0.0500 -
P - 0.0400 -
Ni - 0.1500 -
Mo - 0.0600 -
Mn 0.6000 0.9000 -
Cu - 0.3000 -
Cr - 0.2000 -
C 0.3700 0.4400 -
S - 0.0500 -
Pb 0.1500 0.3500 -
P - 0.0300 -
Ni - 0.2000 -
Mo - 0.0600 -
Mn 0.6000 0.9000 -
Cu 0.2000 - -
Cr - 0.1500 -
C 0.3700 0.4400 -
B 0.0005 0.0030 -

Mechanical Properties of steel grade 1040

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)
749 (≥) 288 (≥) 22 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade 1040

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
42 - -     0.34 -  
698 995 - 31.3 143   -  
616 - 21 11.2   223 423

Heat Treatment of steel grade 1040

Heat treated : 1858°C - 1232°C

Technological Curves of steel grade 1040

Cross Reference Table (Equivalent Grade) of 1040

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