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34Cr4

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30CrNiMo8 34CrS4
#34Cr4

Description

Spain UNE 34Cr4 Spain structural alloy steel and 34Cr4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 34Cr4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 34Cr4 UNE Spain Spain structural alloy steel
L290MB
L360MB
L415MB
L450MB
L485 MB
L555MB
25CrMo4
25CrMoS4
28Mn6
30CrNiMo8

Chemical composition(mass fraction)(wt.%) of the 34Cr4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.30-0.37 0.4 0.60-0.90 0.035 0.035 0.90-1.20

Mechanical Properties of steel grade 34Cr4

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)
112 (≥) 594 (≥) 33 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 34Cr4

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 - -     0.11 -  
119 514 - 33.3 124   -  
945 - 31 33.2   323 224

Heat Treatment of steel grade 34Cr4

Heat treated : 1988°C - 1588°C

Technological Curves of steel grade 34Cr4

Cross Reference Table (Equivalent Grade) of 34Cr4

Grade Standard Country Application
34Cr4 UNE Spain Spain structural alloy steel
EN 34Cr4 EN Euronorm Euronorm Structural steel
EN 34Cr4KD EN Euronorm Euronorm Structural steel
30CrNiMo8 34CrS4
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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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