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SUS 420J2-CSP

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

Description

Japan JIS G 4313 (2011), SUS 420J2-CSP Specialsteel Cold rolled stainless steel strip for springs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUS 420J2-CSP
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUS 420J2-CSP Martensite JIS Japan Cold rolled stainless steel strip for springs

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

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-CSP

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)
911 (≥) 451 (≥) 43 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SUS 420J2-CSP

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
14 - -     0.41 -  
781 986 - 21.3 213   -  
279 - 11 24.2   311 323

Heat Treatment of steel grade SUS 420J2-CSP

Heat treated : 1524°C - 1415°C

Technological Curves of steel grade SUS 420J2-CSP

Relevant standard of SUS 420J2-CSP

G 4313 (2011) Cold rolled stainless steel strip for springs G-4313-(2011).pdf
SUS 420J2 SUS 420F
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Jiangyou Longhai Special Steel Co.,Ltd.

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