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CNS 303Se

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CNS 303 CNS 304
#303Se

Description

China CNS CNS 303Se CNS standard stainless steel austenite size and CNS 303Se Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CNS 303Se
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 303Se CNS China CNS standard stainless steel austenite size
ISO X21CrMoNiV12 2
ISO X12CrMoV12 6
ISO X12CrMo12 6
ISO X11CrNiWTi17 13 3
ISO X6NiCrTiMoVB25 15 2
CNS 201
CNS 202
CNS 301
CNS 302
CNS 303

Chemical composition(mass fraction)(wt.%) of the CNS 303Se

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Other(%)
Max 0.15 Max 1.00 Max 2.00 Max 0.20 Max 0.060 17.00-19.00 8.00-10.00 Se: Min 0.15

Mechanical Properties of steel grade CNS 303Se

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)
296 (≥) 391 (≥) 31 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade CNS 303Se

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
43 - -     0.22 -  
286 384 - 11.3 214   -  
781 - 13 21.2   231 421

Heat Treatment of steel grade CNS 303Se

Heat treated : 1129°C - 1259°C

Technological Curves of steel grade CNS 303Se

Cross Reference Table (Equivalent Grade) of CNS 303Se

Grade Standard Country Application
CNS 303Se CNS China CNS standard stainless steel austenite size
STS303Se KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
CNS 303Se CNS China China Taiwan Stainless steel
CNS 303Se CNS China China Taiwan Stainless steel
CNS 303 CNS 304
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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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