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China GB 021040B 氧化铈 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 021040B / 021040B
Category Grade Standard Region/Area Standard Content
Metals 021040B GB/T 4155 China 氧化铈

Chemical composition(mass fraction)(wt.%) of the 021040B

Element Min Max Similar
灼减 - 1.0000 -
Cl- - 0.0100 -
SiO2 - 0.0050 -
CaO - 0.0050 -
Fe2O3 - 0.0010 -
Dy2O3+Ho2O3+Er2O3+Tm2O3+Yb2O3+Lu2O3 - 0.0020 -
Eu2O3+Gd2O3+Tb4O7 - 0.0020 -
Y2O3 - 0.0020 -
Sm2O3 - 0.0010 -
Nd2O3 - 0.0010 -
Pr6O11 - 0.0020 -
La2O3 - 0.0020 -
CeO2/REO 99.9900 - -
REO 99.0000 - -

Mechanical Properties of steel grade 021040B

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)
416 (≥) 242 (≥) 32 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade 021040B

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
32 - -     0.12 -  
789 949 - 44.3 331   -  
415 - 11 34.2   213 424

Heat Treatment of steel grade 021040B

Heat treated : 1245°C - 1253°C

Technological Curves of steel grade 021040B

Cross Reference Table (Equivalent Grade) of 021040B

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