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CNS 303

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CNS 302 CNS 303Se
#303

Description

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

Datasheet for: Steel Grades:Special Alloy: CNS 303
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 303 CNS China CNS standard stainless steel austenite size
ISO X12CrNiMoV12 3
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

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

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

Mechanical Properties of steel grade CNS 303

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)
792 (≥) 925 (≥) 14 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade CNS 303

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
42 - -     0.24 -  
579 215 - 13.3 413   -  
213 - 11 33.2   214 334

Heat Treatment of steel grade CNS 303

Heat treated : 1861°C - 1117°C

Technological Curves of steel grade CNS 303

Cross Reference Table (Equivalent Grade) of CNS 303

Grade Standard Country Application
303S42 UK austenitic special steel
303S31 UK austenitic special steel
1.4303 AFNOR France Austenite
CNS 303 CNS China CNS standard stainless steel austenite size
CNS 303Se CNS China CNS standard stainless steel austenite size
STS303 KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
STS303Se KS Korea KS standard austenite stainless steel bars(KS D3706-1992)
SS 2303 SS Sweden Swedish SS standard stainless steel and heat resistant steel
S30317 GBT China Stainless steel bars
S30327 GBT China Stainless steel bars
413030 CSN Czech Republic The Czech republic Structural steel
13030 CSN Czech Republic The Czech republic Structural steel
303 AS Australia Australia Stainless steel
V-303 ABNT Brazil Brazil Stainless steel
A30304 GBT China China structural steel and alloy steel
A30354 GBT China China structural steel and alloy steel
CNS 303 CNS China China Taiwan Stainless steel
CNS 303Se CNS China China Taiwan Stainless steel
CNS 303 CNS China China Taiwan Stainless steel
CNS 303Se CNS China China Taiwan Stainless steel
CNS 302 CNS 303Se
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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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