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STS309S

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STS305 STS310S
#STS309S

Description

Korea KS STS309S KS standard austenite stainless steel bars(KS D3706-1992) and STS309S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STS309S
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS309S KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
STS302
STS303
STS303Se
STS304
STS304L
STS304N1
STS304N2
STS304LN
STS304J3
STS305

Chemical composition(mass fraction)(wt.%) of the STS309S

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.03 22.0-24.0 12.0-15.0

Mechanical Properties of steel grade STS309S

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)
641 (≥) 764 (≥) 21 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade STS309S

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 - -     0.22 -  
636 742 - 44.3 131   -  
534 - 24 33.2   333 131

Heat Treatment of steel grade STS309S

Heat treated : 1943°C - 1441°C

Technological Curves of steel grade STS309S

Cross Reference Table (Equivalent Grade) of STS309S

Grade Standard Country Application
STS309S KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
STS305 STS310S
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
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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