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CNS 420F

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CNS 420J2 CNS 431
#420F

Description

China CNS CNS 420F CNS standard martensite stainless steel and CNS 420F Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CNS 420F
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 420F CNS China CNS standard martensite stainless steel
CNS 430F
CNS 434
CNS 447J1
CNS XM27
CNS 403
CNS 410
CNS 410J1
CNS 416
CNS 420J1
CNS 420J2

Chemical composition(mass fraction)(wt.%) of the CNS 420F

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.26-0.40 Max 1.00 Max 1.25 Max 0.060 Min 0.15 12.00-14.00 Max 0.60 Max 0.60

Mechanical Properties of steel grade CNS 420F

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)
385 (≥) 997 (≥) 41 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade CNS 420F

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 - -     0.31 -  
796 969 - 34.3 211   -  
756 - 21 31.2   131 211

Heat Treatment of steel grade CNS 420F

Heat treated : 1991°C - 1336°C

Technological Curves of steel grade CNS 420F

Cross Reference Table (Equivalent Grade) of CNS 420F

Grade Standard Country Application
S42023 UNS USA Martensitic special steel
S42023 UNS USA Martensitic special steel
Type420FSe UNS USA Martensitic special steel
Type420FSe UNS USA Martensitic special steel
SUS420F JIS Japan Martensitic special steel
SUS420F2 JIS Japan Martensitic special steel
STS420F KS Korea martensitic steel
STS420F KS Korea martensitic steel
STS420F2 KS Korea martensitic steel
STS420F2 KS Korea martensitic steel
CNS 420F CNS China CNS standard martensite stainless steel
V-420F ABNT Brazil Brazil Stainless steel
CNS 420F CNS China China Taiwan Stainless steel
CNS 420F CNS China China Taiwan Stainless steel
CNS 420J2 CNS 431
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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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