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Type 309Si

Global 企业标准 Type309Si and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Type309Si / Type 309Si
Category Grade Standard Region/Area Standard Content
Metals Type 309Si -- Global

Chemical composition(mass fraction)(wt.%) of the Type 309Si

Element Min Max Similar
Si 1.5000 2.5000 -
S - 0.0150 -
P - 0.0450 -
Ni 11.0000 13.0000 -
N - 0.1100 -
Mn - 2.0000 -
Cr 19.0000 21.0000 -
C - 0.2000 -

Mechanical Properties of steel grade Type 309Si

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)
369 (≥) 435 (≥) 23 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade Type 309Si

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
23 - -     0.31 -  
363 336 - 44.3 324   -  
482 - 13 41.2   113 432

Heat Treatment of steel grade Type 309Si

Heat treated : 1666°C - 1467°C

Technological Curves of steel grade Type 309Si

Cross Reference Table (Equivalent Grade) of Type 309Si

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