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SUS 420J2

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SUS 420J2 SUS 420J2
#SUS-420-J2

Description

Japan JIS G 4309 (1999), SUS 420J2 Specialsteel Stainless steel wires and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 420J2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 420J2 Martensite JIS Japan Stainless steel wires

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

C Si Mn P S Cr Ni Mo N
0.16 -0.25 ≤1.00 ≤1.00 ≤0.06 ≤0.03 12.00 -14.00 ≤0.60 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade SUS 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)
634 (≥) 115 (≥) 41 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SUS 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
12 - -     0.44 -  
673 162 - 41.3 223   -  
744 - 23 23.2   441 424

Heat Treatment of steel grade SUS 420J2

Heat treated : 1957°C - 1126°C

Technological Curves of steel grade SUS 420J2

Relevant standard of SUS 420J2

G 4309 (1999) Stainless steel wires G-4309-(1999).pdf
SUS 420J2 SUS 420J2
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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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