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STS420J2TKA

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STS420J1TKA STS430TKA
#STS420J2TKA

Description

Korea KS STS420J2TKA KS standard mechanical and structure with stainless steel pipe(KS D3536-1992) and STS420J2TKA Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: STS420J2TKA
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS420J2TKA KS Korea KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
STS317J4L
STS304TKA
STS304TKC
STS316TKA
STS316TKC
STS321TKA
STS347TKA
STS410TKA
STS410TKC
STS420J1TKA

Chemical composition(mass fraction)(wt.%) of the STS420J2TKA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.26-0.40 Max 1.00 Max 1.00 Max 0.04 Max 0.03 12.0-14.0 Max 0.60

Mechanical Properties of steel grade STS420J2TKA

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)
917 (≥) 839 (≥) 11 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade STS420J2TKA

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
22 - -     0.22 -  
252 558 - 13.3 334   -  
474 - 22 44.2   131 142

Heat Treatment of steel grade STS420J2TKA

Heat treated : 1725°C - 1265°C

Technological Curves of steel grade STS420J2TKA

Cross Reference Table (Equivalent Grade) of STS420J2TKA

Grade Standard Country Application
STS420J2TKA KS Korea KS standard mechanical and structure with stainless steel pipe(KS D3536-1992)
STS420J1TKA STS430TKA
Available Suppliers
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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