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STS420F2

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STS420F STS431
#STS420F

Description

Korea KS D 3692 (2001), D 3702 (2008), D 3703 (2007), D 3706 (2008), STS420F2 Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS420F2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS420F2 Martensite KS Korea Stainless steel bars

Chemical composition(mass fraction)(wt.%) of the STS420F2

C Si Mn P S Cr Ni Mo N
0.26 -0.40 ≤1.00 ≤1.00 ≤0.060 ≤0.15 12.00 -14.00 ≤0.60 ≤0.60 ≤ ≥

Mechanical Properties of steel grade STS420F2

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)
566 (≥) 526 (≥) 31 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade STS420F2

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 -  
683 444 - 13.3 122   -  
433 - 12 34.2   432 423

Heat Treatment of steel grade STS420F2

Heat treated : 1122°C - 1474°C

Technological Curves of steel grade STS420F2

Cross Reference Table (Equivalent Grade) of STS420F2

Grade Standard Country Application
STS420F
STS420F
STS420F2
STS420F2

Relevant standard of STS420F2

D 3692 (2001) Cold finished stainless steel bars D-3692-(2001).pdf
D 3702 (2008) Stainless steel wire rods D-3702-(2008).pdf
D 3703 (2007) Stainless steel wires D-3703-(2007).pdf
D 3706 (2008) Stainless steel bars D-3706-(2008).pdf
STS420F STS431
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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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