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CNS 420J2

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CNS 420J1 CNS 420F
#420J2

Description

China CNS CNS 420J2 CNS standard martensite stainless steel and CNS 420J2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the CNS 420J2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.26-0.40 Max 1.00 Max 1.00 Max 0.040 Max 0.030 12.00-14.00 Max 0.60

Mechanical Properties of steel grade CNS 420J2

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)
783 (≥) 971 (≥) 34 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade CNS 420J2

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
24 - -     0.14 -  
357 669 - 42.3 212   -  
669 - 33 22.2   132 431

Heat Treatment of steel grade CNS 420J2

Heat treated : 1888°C - 1668°C

Technological Curves of steel grade CNS 420J2

Cross Reference Table (Equivalent Grade) of CNS 420J2

Grade Standard Country Application
SUS420J2 JIS Japan Martensitic special steel
SUS420J2-CPS JIS Japan stainless steel
SUS420J2FB JIS Japan martensitic stainless steel
SUS420J2TKA JIS Germany
STS420J2 KS Korea martensitic steel
STS420J2 KS Korea martensitic steel
CNS 420J2 CNS China CNS standard martensite stainless steel
CNS 420J2-CPS CNS China CNS standard springs made of cold rolled stainless steel
STS420J2TKA KS Korea KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
CNS 420J2 CNS China China Taiwan Stainless steel
420J2-CPS CNS China China Taiwan Stainless steel
420J2TKA CNS China China Taiwan Stainless steel
CNS 420J2 CNS China China Taiwan Stainless steel
CNS 420J2 CNS China China Taiwan Stainless steel
CNS 420J1 CNS 420F
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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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