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China GB Si-2 工业硅 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Si-2 / Si-2
Category Grade Standard Region/Area Standard Content
Metals Si-2 GB/T 2881 China 工业硅

Chemical composition(mass fraction)(wt.%) of the Si-2

Element Min Max Similar
Zn 99.9950 - -
Sn - 0.0010 -
Pb - 0.0030 -
Other - 0.0050 -
Fe - 0.0010 -
Cu - 0.0010 -
Cd - 0.0020 -
Al - 0.0010 -

Mechanical Properties of steel grade Si-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)
297 (≥) 632 (≥) 13 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade Si-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
22 - -     0.22 -  
832 674 - 34.3 221   -  
611 - 12 14.2   132 221

Heat Treatment of steel grade Si-2

Heat treated : 1936°C - 1448°C

Technological Curves of steel grade Si-2

Cross Reference Table (Equivalent Grade) of Si-2

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