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SUS420J2

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SUS420J1 SUS420F
#SUS420J2

Description

Japan JIS SUS420J2 Martensitic special steel and SUS420J2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS420J2
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS420J2 JIS Japan Martensitic special steel
SUS430F
SUS434
SUS447J1
SUSXM27
SUS403
SUS410
SUS410J1
SUS410F2
SUS416
SUS420J1

Chemical composition(mass fraction)(wt.%) of the SUS420J2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.26-0.40 Max 1.00 Max 1.00 Max 0.04 Max 0.03 12.0-14.0 Max 0.60

Mechanical Properties of steel grade SUS420J2

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)
254 (≥) 239 (≥) 13 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SUS420J2

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
21 - -     0.31 -  
936 994 - 21.3 113   -  
346 - 34 32.2   112 213

Heat Treatment of steel grade SUS420J2

Heat treated : 1716°C - 1977°C

Technological Curves of steel grade SUS420J2

Cross Reference Table (Equivalent Grade) of SUS420J2

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
SUS420J1 SUS420F
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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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