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South Africa SANS 42100 Aluminium and aluminium alloy sand castings and gravity die castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 42100 / 42100
Category Grade Standard Region/Area Standard Content
Metals 42100 SANS 991 South Africa Aluminium and aluminium alloy sand castings and gravity die castings

Chemical composition(mass fraction)(wt.%) of the 42100

Element Min Max Similar
Zn - 0.0700 -
Total oth. - 0.1000 -
Ti 0.0800 0.2500 -
Si 6.5000 7.5000 -
Others each - 0.0300 -
Mn - 0.1000 -
Mg 0.2500 0.4500 -
Fe - 0.1900 -
Cu - 0.0500 -
Al - - -

Mechanical Properties of steel grade 42100

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)
799 (≥) 728 (≥) 43 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 42100

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
14 - -     0.42 -  
682 365 - 14.3 324   -  
136 - 23 21.2   242 424

Heat Treatment of steel grade 42100

Heat treated : 1736°C - 1962°C

Technological Curves of steel grade 42100

Cross Reference Table (Equivalent Grade) of 42100

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