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309

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S30815 S30900
#309

Description

309 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: 309
Category Type Steel Grade Standard Country Application
Steel GradesStainless Steel 309
304LHN
S30454
305
S30500
S30600
S30601
S30615
308
S30800
S30815

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

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.20   1.00 2.00  0.045  0.030  22.0-24.0  12.0-15.0 
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)
222 (≥) 186 (≥) 42 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

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
12 - -     0.34 -  
133 912 - 34.3 444   -  
391 - 42 44.2   232 422

Heat Treatment of steel grade 309

Heat treated : 1789°C - 1375°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
S30815 S30900
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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