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Global 企业标准 PK20 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PK20 / PK20
Category Grade Standard Region/Area Standard Content
Metals PK20 -- Global

Chemical composition(mass fraction)(wt.%) of the PK20

Element Min Max Similar

Mechanical Properties of steel grade PK20

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)
185 (≥) 219 (≥) 32 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade PK20

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
34 - -     0.32 -  
272 824 - 22.3 241   -  
226 - 44 23.2   424 241

Heat Treatment of steel grade PK20

Heat treated : 1554°C - 1266°C

Technological Curves of steel grade PK20

Cross Reference Table (Equivalent Grade) of PK20

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