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America SAE 15L70 Chemical Compositions of SAE Carbon Steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 15L70 / 15L70
Category Grade Standard Region/Area Standard Content
Metals 15L70 SAE J 403 America Chemical Compositions of SAE Carbon Steels

Chemical composition(mass fraction)(wt.%) of the 15L70

Element Min Max Similar
Si - 0.1000 -
S - 0.0500 -
Pb 0.1000 0.3500 -
P - 0.0400 -
Mn 0.8000 1.1000 -
C 0.6500 0.7500 -
B 0.0005 0.0030 -

Mechanical Properties of steel grade 15L70

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)
797 (≥) 459 (≥) 14 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade 15L70

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
32 - -     0.43 -  
831 698 - 11.3 221   -  
692 - 41 42.2   133 312

Heat Treatment of steel grade 15L70

Heat treated : 1559°C - 1343°C

Technological Curves of steel grade 15L70

Cross Reference Table (Equivalent Grade) of 15L70

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