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England B.S. PB021K 铅及铅合金-电缆护套和套筒用铅合金锭 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PB021K / PB021K
Category Grade Standard Region/Area Standard Content
Metals PB021K BS EN 12548 England 铅及铅合金-电缆护套和套筒用铅合金锭

Chemical composition(mass fraction)(wt.%) of the PB021K

Element Min Max Similar
Zn - 0.0005 -
Te - 0.0020 -
Ni - 0.0010 -
Cu - 0.0030 -
Cd - 0.0010 -
Bi - 0.0300 -
As - 0.0010 -
Ag - 0.0050 -
Pb - - -
Sn 0.3500 0.4500 -
Sb 0.1500 0.2500 -

Mechanical Properties of steel grade PB021K

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)
541 (≥) 925 (≥) 44 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade PB021K

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 - -     0.21 -  
334 514 - 41.3 134   -  
783 - 12 24.2   214 122

Heat Treatment of steel grade PB021K

Heat treated : 1659°C - 1378°C

Technological Curves of steel grade PB021K

Cross Reference Table (Equivalent Grade) of PB021K

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