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SUS 420J 1TKA

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SUS 420J 1FB SUS 420J1
#SUS-420-J1

Description

Japan JIS G 3446 (2012), SUS 420J 1TKA Specialsteel Stainless steel pipes for machine and structural purposes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 420J 1TKA
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 420J 1TKA Martensite JIS Japan Stainless steel pipes for machine and structural purposes

Chemical composition(mass fraction)(wt.%) of the SUS 420J 1TKA

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 420J 1TKA

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)
778 (≥) 178 (≥) 34 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SUS 420J 1TKA

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 - -     0.21 -  
718 741 - 23.3 221   -  
587 - 33 41.2   144 432

Heat Treatment of steel grade SUS 420J 1TKA

Heat treated : 1641°C - 1298°C

Technological Curves of steel grade SUS 420J 1TKA

Relevant standard of SUS 420J 1TKA

G 3446 (2012) Stainless steel pipes for machine and structural purposes G-3446-(2012).pdf
SUS 420J 1FB SUS 420J1
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Jiangyou Longhai Special Steel Co.,Ltd.

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