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STS420J2FB

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STS420J2TKA STS420F
#STS420J2

Description

Korea KS D 3691 (2001), STS420J2FB Specialsteel Stainless steel blooms and billets for forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: STS420J2FB
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel STS420J2FB Martensite KS Korea Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%) of the STS420J2FB

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 STS420J2FB

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)
588 (≥) 763 (≥) 32 12 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade STS420J2FB

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
13 - -     0.11 -  
336 375 - 32.3 224   -  
759 - 34 12.2   344 431

Heat Treatment of steel grade STS420J2FB

Heat treated : 1524°C - 1162°C

Technological Curves of steel grade STS420J2FB

Cross Reference Table (Equivalent Grade) of STS420J2FB

Grade Standard Country Application
STS420J2
STS420J2

Relevant standard of STS420J2FB

D 3691 (2001) Stainless steel blooms and billets for forgings D-3691-(2001).pdf
STS420J2TKA STS420F
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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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