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SMn443

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SMn438 SMnC420
#SMn443

Description

China CNS SMn443 China Taiwan Structural steel and SMn443 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SMn443
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SMn443 CNS China China Taiwan Structural steel
SCM430
SCM432
SCM435
SCM440
SCM445
SCM822
SACM645
SMn420
SMn433
SMn438

Chemical composition(mass fraction)(wt.%) of the SMn443

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.40-0.46 0.15-0.35 1.35-1.65 0.030 0.030 Max 0.35 0.25 0.30

Mechanical Properties of steel grade SMn443

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)
671 (≥) 674 (≥) 21 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SMn443

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
24 - -     0.31 -  
927 533 - 43.3 412   -  
467 - 42 14.2   141 241

Heat Treatment of steel grade SMn443

Heat treated : 1499°C - 1282°C

Technological Curves of steel grade SMn443

Cross Reference Table (Equivalent Grade) of SMn443

Grade Standard Country Application
SMn443H CNS China China Taiwan Structural steel
SMn443 CNS China China Taiwan Structural steel
SMn438 SMnC420
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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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