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18CrMo4

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17NiCrMoS6-4 18CrMoS4
#18CrMo4

Description

Spain UNE 18CrMo4 Spain structural alloy steel and 18CrMo4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 18CrMo4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 18CrMo4 UNE Spain Spain structural alloy steel
16MnCr5
16MnCrB5
16MnCrS5
16NiCr4
16NiCrS4
17Cr3
17CrNi6-6
17CrS3
17NiCrMo6-4
17NiCrMoS6-4

Chemical composition(mass fraction)(wt.%) of the 18CrMo4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.15-0.21 0.4 0.60-0.90 0.035 0.035 0.90-1.20

Mechanical Properties of steel grade 18CrMo4

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)
228 (≥) 464 (≥) 41 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade 18CrMo4

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
32 - -     0.21 -  
477 349 - 12.3 143   -  
283 - 43 31.2   213 112

Heat Treatment of steel grade 18CrMo4

Heat treated : 1465°C - 1939°C

Technological Curves of steel grade 18CrMo4

Cross Reference Table (Equivalent Grade) of 18CrMo4

Grade Standard Country Application
18CrMo4 UNE Spain Spain structural alloy steel
EN 18CrMo4KD EN Euronorm Euronorm Structural steel
17NiCrMoS6-4 18CrMoS4
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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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