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SUS420J1

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SUS416 SUS420J2
#SUS420J1

Description

Japan JIS SUS420J1 Martensitic special steel and SUS420J1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS420J1
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS420J1 JIS Japan Martensitic special steel
SUS430
SUS430F
SUS434
SUS447J1
SUSXM27
SUS403
SUS410
SUS410J1
SUS410F2
SUS416

Chemical composition(mass fraction)(wt.%) of the SUS420J1

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.16-0.25 Max 1.00 Max 1.00 Max 0.06 Max 0.03 12.0-14.0v Max 0.60

Mechanical Properties of steel grade SUS420J1

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)
757 (≥) 975 (≥) 12 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade SUS420J1

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
41 - -     0.42 -  
771 831 - 24.3 132   -  
428 - 34 13.2   332 411

Heat Treatment of steel grade SUS420J1

Heat treated : 1279°C - 1259°C

Technological Curves of steel grade SUS420J1

Cross Reference Table (Equivalent Grade) of SUS420J1

Grade Standard Country Application
SUS420J1 JIS Japan Martensitic special steel
SUS420J1FB martensitic stainless steel
SUS420J1TKA JIS Japan ferritic stainless steel
SUS416 SUS420J2
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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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