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Brazil NBR H2204 Aluminium hardners - Chemical composition and color code and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H2204 / H2204
Category Grade Standard Region/Area Standard Content
Metals H2204 ABNT NBR 14330 Brazil Aluminium hardners - Chemical composition and color code

Chemical composition(mass fraction)(wt.%) of the H2204

Element Min Max Similar
Si - 0.2000 -
B 3.5000 4.5000 -
Al - - -
Fe - 0.3000 -
K - 1.0000 -
Na - 0.5000 -
Others each - 0.0300 -
Others Total - 0.1000 -

Mechanical Properties of steel grade H2204

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)
621 (≥) 355 (≥) 11 41 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade H2204

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 - -     0.14 -  
979 937 - 32.3 232   -  
482 - 11 23.2   444 411

Heat Treatment of steel grade H2204

Heat treated : 1988°C - 1424°C

Technological Curves of steel grade H2204

Cross Reference Table (Equivalent Grade) of H2204

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