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18CrMoS4

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1.7243 1.7244
#18CrMoS4

Description

18CrMoS4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 18CrMoS4
Category Type Steel Grade Standard Country Application
Steel GradesCarbon Steel 18CrMoS4
16MnCrS5
1.7139
20MnCr5
1.7147
20MnCrS5
1.7149
1.7160
16MnCrB5
18CrMo4
1.7243

Chemical composition(mass fraction)(wt.%) of the 18CrMoS4

 

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.15-0.21  0.40  0.60-0.90  0.035  0.035  0.90-1.20   
Mo Al Cu Nb Ti V Ce
0.15-0.25             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 18CrMoS4

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)
628 (≥) 554 (≥) 32 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 18CrMoS4

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
41 - -     0.41 -  
951 116 - 43.3 124   -  
791 - 11 22.2   424 322

Heat Treatment of steel grade 18CrMoS4

Heat treated : 1613°C - 1595°C

Technological Curves of steel grade 18CrMoS4

Cross Reference Table (Equivalent Grade) of 18CrMoS4

Grade Standard Country Application
18CrMoS4 Spain structural alloy steel
1.7243 1.7244
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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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