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STS420J2

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STS420J1FB STS420J2TKA
#STS420J2

Description

Korea KS D 3692 (2001), D 3698 (2008), D 3702 (2008), D 3703 (2007), D 3705 (2008), D 3706 (2008), D 3534 (2002), STS420J2 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS420J2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS420J2 Martensite KS Korea Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the STS420J2

C Si Mn P S Cr Ni Mo N
0.26 -0.40 ≤1.00 ≤1.00 ≤0.040 ≤0.030 12.00 -14.00 ≤0.60 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade STS420J2

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)
129 (≥) 782 (≥) 21 34 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade STS420J2

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
21 - -     0.31 -  
364 133 - 14.3 344   -  
411 - 21 31.2   443 311

Heat Treatment of steel grade STS420J2

Heat treated : 1536°C - 1657°C

Technological Curves of steel grade STS420J2

Cross Reference Table (Equivalent Grade) of STS420J2

Grade Standard Country Application
STS420J2
STS420J2

Relevant standard of STS420J2

D 3692 (2001) Cold finished stainless steel bars D-3692-(2001).pdf
D 3698 (2008) Cold rolled stainless steel plates, sheets and strip D-3698-(2008).pdf
D 3702 (2008) Stainless steel wire rods D-3702-(2008).pdf
D 3703 (2007) Stainless steel wires D-3703-(2007).pdf
D 3705 (2008) Hot rolled stainless steel plates, sheets and strip D-3705-(2008).pdf
D 3706 (2008) Stainless steel bars D-3706-(2008).pdf
D 3534 (2002) Cold rolled stainless steel strip for springs D-3534-(2002).pdf
STS420J1FB STS420J2TKA
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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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