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SMo-4

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SMn1Mo-23 SMn1CrMo-25
#SMo-4

Description

Czech Republic CSN SMo-4 The Czech republic Structural steel and SMo-4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SMo-4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SMo-4 CSN Czech Republic The Czech republic Structural steel
GMoCr-14
664.3
G637.40
G645.90
G639.90
S1
S2
S3
SMn1Mo-19
SMn1Mo-23

Chemical composition(mass fraction)(wt.%) of the SMo-4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.10-0.16 0.15-0.35 0.40-0.70 0.030 0.030 Max 0.15 Max 0.20 0.35-0.50

Mechanical Properties of steel grade SMo-4

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)
712 (≥) 241 (≥) 13 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade SMo-4

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 - -     0.12 -  
616 396 - 31.3 423   -  
595 - 22 42.2   331 424

Heat Treatment of steel grade SMo-4

Heat treated : 1768°C - 1756°C

Technological Curves of steel grade SMo-4

Cross Reference Table (Equivalent Grade) of SMo-4

Grade Standard Country Application
SMo-4 CSN Czech Republic The Czech republic Structural steel
SMn1Mo-23 SMn1CrMo-25
Available Suppliers
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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