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Description

309S High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 309S
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 309S
304
S30400
304L
S30403
305
S30500
308
S30800
309
S30900

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

 

 

C
Si
Mn
P
S
Cr Ni
0.08 1 2 0.045 0.03 22-24

12-15

Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 309S

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)
647 (≥) 866 (≥) 42 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 309S

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
14 - -     0.11 -  
686 853 - 21.3 341   -  
127 - 33 14.2   122 413

Heat Treatment of steel grade 309S

Heat treated : 1911°C - 1452°C

Technological Curves of steel grade 309S

Cross Reference Table (Equivalent Grade) of 309S

Grade Standard Country Application
309S24 austenitic special steel
309S20 austenitic special steel
CNS 309S China CNS standard stainless steel austenite size
STS309S KS standard austenite stainless steel bars(KS D3706-1992)
CNS 309S China China Taiwan Stainless steel
CNS 309S China China Taiwan Stainless steel
CNS 309S China China Taiwan Stainless steel

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