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China GB 021020 氧化铈 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 021020 / 021020
Category Grade Standard Region/Area Standard Content
Metals 021020 GB/T 4155 China 氧化铈

Chemical composition(mass fraction)(wt.%) of the 021020

Element Min Max Similar
灼减 - 1.0000 -
Cl- - 0.2000 -
CaO - 0.5000 -
Fe2O3 - 0.0400 -
Dy2O3+Ho2O3+Er2O3+Tm2O3+Yb2O3+Lu2O3 - 1.0000 -
La2O3+Pr6O11+Nd2O3+Sm2O3+Y2O3+Eu2O3+Gd2O3+Tb4O7 - 1.0000 -
CeO2/REO 99.0000 - -
REO 98.0000 - -

Mechanical Properties of steel grade 021020

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)
163 (≥) 483 (≥) 33 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 021020

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
43 - -     0.33 -  
896 454 - 41.3 421   -  
982 - 42 33.2   423 341

Heat Treatment of steel grade 021020

Heat treated : 1265°C - 1255°C

Technological Curves of steel grade 021020

Cross Reference Table (Equivalent Grade) of 021020

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