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CNS 309S

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CNS 305 CNS 310S
#309S

Description

China CNS CNS 309S CNS standard stainless steel austenite size and CNS 309S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CNS 309S
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 309S CNS China CNS standard stainless steel austenite size
CNS 301
CNS 302
CNS 303
CNS 303Se
CNS 304
CNS 304L
CNS 304N1
CNS 304N2
CNS 304LN
CNS 305

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.030 22.00-24.00 12.00-15.00

Mechanical Properties of steel grade CNS 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)
825 (≥) 697 (≥) 44 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade CNS 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
31 - -     0.41 -  
541 921 - 42.3 341   -  
317 - 14 43.2   224 121

Heat Treatment of steel grade CNS 309S

Heat treated : 1275°C - 1292°C

Technological Curves of steel grade CNS 309S

Cross Reference Table (Equivalent Grade) of CNS 309S

Grade Standard Country Application
309S24 UK austenitic special steel
309S20 UK austenitic special steel
CNS 309S CNS China CNS standard stainless steel austenite size
STS309S KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
CNS 309S CNS China China Taiwan Stainless steel
CNS 309S CNS China China Taiwan Stainless steel
CNS 309S CNS China China Taiwan Stainless steel
CNS 305 CNS 310S
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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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