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SUS 420J2TKA

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SUS 420J1TKA SUS 430TKA
#SUS-420J2TKA

Description

Japan JIS G 3446 (2012), SUS 420J2TKA Specialsteel Stainless steel pipes for machine and structural purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 420J2TKA
Category Class Grade Standard Country Application
Steel GradesSpecialsteel SUS 420J2TKA JIS Japan Stainless steel pipes for machine and structural purposes

Chemical composition(mass fraction)(wt.%) of the SUS 420J2TKA

C Si Mn P S Cr Ni Mo
0.26 -0.40 ≤1.00 ≤1.00 ≤0.04 ≤0.03 12.00 -14.00 ≤0.60 ≤ ≥

Mechanical Properties of steel grade SUS 420J2TKA

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)
522 (≥) 359 (≥) 33 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade SUS 420J2TKA

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
32 - -     0.11 -  
275 234 - 21.3 123   -  
386 - 32 33.2   213 332

Heat Treatment of steel grade SUS 420J2TKA

Heat treated : 1545°C - 1942°C

Technological Curves of steel grade SUS 420J2TKA

Relevant standard of SUS 420J2TKA

G 3446 (2012) Stainless steel pipes for machine and structural purposes G-3446-(2012).pdf
SUS 420J1TKA SUS 430TKA
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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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