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JIS H 4321 Class 2

Japan JIS JISH4321Class2 锌板 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals JIS H 4321 Class 2 JIS H4321 Japan 锌板

Chemical composition(mass fraction)(wt.%) of the JIS H 4321 Class 2

Element Min Max Similar
Ni - 0.2000 -
Cu - 0.0050 -
Cd - 0.5000 -
Zn 99.0000 - -
Mg - 0.0200 -
Fe - 0.2500 -
Pb - 0.5000 -

Mechanical Properties of steel grade JIS H 4321 Class 2

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)
821 (≥) 454 (≥) 34 43 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade JIS H 4321 Class 2

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
31 - -     0.23 -  
321 366 - 23.3 311   -  
249 - 33 32.2   221 414

Heat Treatment of steel grade JIS H 4321 Class 2

Heat treated : 1451°C - 1225°C

Technological Curves of steel grade JIS H 4321 Class 2

Cross Reference Table (Equivalent Grade) of JIS H 4321 Class 2

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