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China 首钢Q/SG St44-2 结构用热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St44-2 / St44-2
Category Grade Standard Region/Area Standard Content
Metals St44-2 Q/SGZGS 316 China 结构用热连轧钢板和钢带

Chemical composition(mass fraction)(wt.%) of the St44-2

Element Min Max Similar
C - 0.2100 -
Si - 0.3500 -
Mn - 1.5000 -
P - 0.0350 -
S - 0.0350 -
Cu - 0.3000 -
Cr - 0.3000 -
Ni - 0.3000 -
N - 0.0120 -

Mechanical Properties of steel grade St44-2

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)
698 (≥) 322 (≥) 41 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade St44-2

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
34 - -     0.42 -  
765 714 - 33.3 332   -  
374 - 41 24.2   424 321

Heat Treatment of steel grade St44-2

Heat treated : 1585°C - 1681°C

Technological Curves of steel grade St44-2

Cross Reference Table (Equivalent Grade) of St44-2

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