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SUS420F

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SUS420J2 SUS420F2
#SUS420F

Description

Japan JIS SUS420F Martensitic special steel and SUS420F Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS420F
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS420F JIS Japan Martensitic special steel
SUS434
SUS447J1
SUSXM27
SUS403
SUS410
SUS410J1
SUS410F2
SUS416
SUS420J1
SUS420J2

Chemical composition(mass fraction)(wt.%) of the SUS420F

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.26-0.40 Max 1.00 Max 1.00 Max 0.06 Mix 0.15 12.0-14.0 Max 0.60 Max 0.60

Mechanical Properties of steel grade SUS420F

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)
968 (≥) 451 (≥) 32 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SUS420F

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
34 - -     0.34 -  
676 347 - 23.3 242   -  
636 - 33 13.2   321 311

Heat Treatment of steel grade SUS420F

Heat treated : 1265°C - 1852°C

Technological Curves of steel grade SUS420F

Cross Reference Table (Equivalent Grade) of SUS420F

Grade Standard Country Application
SUS420F JIS Japan Martensitic special steel
SUS420F2 JIS Japan Martensitic special steel
SUS420J2 SUS420F2
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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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