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CNS 420J2-CPS

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CNS 304-CPS CNS 631-CPS
#420J2-CPS

Description

China CNS CNS 420J2-CPS CNS standard springs made of cold rolled stainless steel and CNS 420J2-CPS Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CNS 420J2-CPS
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CNS 420J2-CPS CNS China CNS standard springs made of cold rolled stainless steel
CNS 431
CNS 440A
CNS 440B
CNS 440C
CNS 440F
CNS 630
CNS 631
CNS 305J1
CNS 301-CPS
CNS 304-CPS

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.26-0.40 Max 1.00 Max 1.00 Max 0.045 Max 0.030 12.0-14.0 Max 0.60

Mechanical Properties of steel grade CNS 420J2-CPS

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)
633 (≥) 867 (≥) 33 11 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade CNS 420J2-CPS

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
33 - -     0.23 -  
848 524 - 33.3 342   -  
924 - 13 42.2   412 242

Heat Treatment of steel grade CNS 420J2-CPS

Heat treated : 1982°C - 1199°C

Technological Curves of steel grade CNS 420J2-CPS

Cross Reference Table (Equivalent Grade) of CNS 420J2-CPS

Grade Standard Country Application
SUS420J2-CPS JIS Japan stainless steel
CNS 420J2-CPS CNS China CNS standard springs made of cold rolled stainless steel
420J2-CPS CNS China China Taiwan Stainless steel
CNS 304-CPS CNS 631-CPS
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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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