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18CrMoS4

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18CrMo4 18CrNiMo7-6
#18CrMoS4

Description

Spain UNE 18CrMoS4 Spain structural alloy steel and 18CrMoS4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 18CrMoS4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 18CrMoS4 UNE Spain Spain structural alloy steel
16MnCrB5
16MnCrS5
16NiCr4
16NiCrS4
17Cr3
17CrNi6-6
17CrS3
17NiCrMo6-4
17NiCrMoS6-4
18CrMo4

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

C(％) Si(％) Mn(％)
0.15-0,21 0.4 0.60-0.90

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)
648 (≥) 383 (≥) 22 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

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
33 - -     0.44 -  
199 359 - 11.3 123   -  
987 - 22 41.2   314 142

Heat Treatment of steel grade 18CrMoS4

Heat treated : 1417°C - 1277°C

Technological Curves of steel grade 18CrMoS4

Cross Reference Table (Equivalent Grade) of 18CrMoS4

Grade Standard Country Application
18CrMoS4 UNE Spain Spain structural alloy steel
18CrMo4 18CrNiMo7-6
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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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