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309

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S30800 S30900
#309

Description

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

Datasheet for: Steel Grades:High Alloy: 309
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 309
302B
S30215
304
S30400
304L
S30403
305
S30500
308
S30800

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

 

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.2 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 309

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)
272 (≥) 644 (≥) 42 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade 309

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
13 - -     0.43 -  
628 423 - 11.3 324   -  
663 - 31 42.2   442 431

Heat Treatment of steel grade 309

Heat treated : 1845°C - 1162°C

Technological Curves of steel grade 309

Cross Reference Table (Equivalent Grade) of 309

Grade Standard Country Application
1.2309 DIN Germany Hot working alloy tool steel
SUS309TP JIS Japan austenitic special steel
309S24 austenitic special steel
309S20 austenitic special steel
UNS J91309 AISI USA
CNS 309S China CNS standard stainless steel austenite size
Austenitic 309 China CNS standard heat resistant steel bars(CNS 9608-1998)
Austenitic 309 China CNS standard heat resistant steel plates
STS309S KS standard austenite stainless steel bars(KS D3706-1992)
STR309 KS standard austenitic heat resistant steel
S30908 China Stainless steel bars
S30920 China Stainless steel bars
CNS 309S China China Taiwan Stainless steel
CNS 309S China China Taiwan Stainless steel
CNS 309S China China Taiwan Stainless steel
Austenitic 309 China China Taiwan Heat-Resistant Steel
J91309 UNS USA Steel Castings, Austenitic Manganese
J91309 UNS USA Steel Castings, Austenitic Manganese
S30800 S30900
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