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S420MH

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1.8846 1.8847
#S420MH

Description

S420MH Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S420MH
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel S420MH
S460NLH
1.8956
S275MH
1.8843
S275MLH
1.8844
S355MH
1.8845
S355MLH
1.8846

Chemical composition(mass fraction)(wt.%) of the S420MH

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.16  0.50  1.70  0.035  0.030    ≤0.30
Mo Al Cu Nb Ti V Ce
 ≤0.20 ≥  0.020    ≤0.050 ≤ 0.050 ≤ 0.12  
N Co Pb B Other    
≤ 0.020            
             

Mechanical Properties of steel grade S420MH

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)
266 (≥) 572 (≥) 43 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade S420MH

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
43 - -     0.23 -  
872 612 - 14.3 314   -  
897 - 33 41.2   122 234

Heat Treatment of steel grade S420MH

Heat treated : 1467°C - 1388°C

Technological Curves of steel grade S420MH

Cross Reference Table (Equivalent Grade) of S420MH

Grade Standard Country Application
EN S420MH EN Euronorm Structural steel
1.8846 1.8847
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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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