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SMn420

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S58C SMn433
#SMn420

Description

SMn420 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: SMn420
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel SMn420
S35C
S38C
S40C
S43C
S45C
S48C
S50C
S53C
S55C
S58C

Chemical composition(mass fraction)(wt.%) of the SMn420

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.17-0.23 0.15-0.35 1.2-1.5 0.03 0.03 ≤0.35 ≤0.25
Mo Al Cu Nb Ti V Ce
    ≤0.3        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade SMn420

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)
482 (≥) 145 (≥) 41 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade SMn420

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
44 - -     0.33 -  
266 762 - 33.3 444   -  
657 - 41 22.2   423 134

Heat Treatment of steel grade SMn420

Heat treated : 1834°C - 1988°C

Technological Curves of steel grade SMn420

Cross Reference Table (Equivalent Grade) of SMn420

Grade Standard Country Application
SMn420H China China Taiwan Structural steel
SMn420 China China Taiwan Structural steel
S58C SMn433
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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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