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20MoCr4

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20MoCr3 20MoCrS3
#20MoCr4

Description

Spain UNE 20MoCr4 Spain structural alloy steel and 20MoCr4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 20MoCr4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 20MoCr4 UNE Spain Spain structural alloy steel
17CrS3
17NiCrMo6-4
17NiCrMoS6-4
18CrMo4
18CrMoS4
18CrNiMo7-6
18NiCr5-4
20MnCr5
20MnCrS5
20MoCr3

Chemical composition(mass fraction)(wt.%) of the 20MoCr4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.17-0.23 0.4 0.70-1.00 0.035 0.035 0.30-0.60 0.40-0.50

Mechanical Properties of steel grade 20MoCr4

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)
365 (≥) 736 (≥) 34 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 20MoCr4

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
22 - -     0.24 -  
429 134 - 23.3 221   -  
416 - 41 42.2   321 312

Heat Treatment of steel grade 20MoCr4

Heat treated : 1221°C - 1898°C

Technological Curves of steel grade 20MoCr4

Cross Reference Table (Equivalent Grade) of 20MoCr4

Grade Standard Country Application
20MoCr4 UNE Spain Spain structural alloy steel
EN 20MoCr4 EN Euronorm Euronorm Structural steel
EN 20MoCr4KD EN Euronorm Euronorm Structural steel
20MoCr3 20MoCrS3
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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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