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25CrMo4

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L555MB 25CrMoS4
#25CrMo4

Description

Spain UNE 25CrMo4 Spain structural alloy steel and 25CrMo4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 25CrMo4
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 25CrMo4 UNE Spain Spain structural alloy steel
L450QB
L485QB
L555QB
L245MB
L290MB
L360MB
L415MB
L450MB
L485 MB
L555MB

Chemical composition(mass fraction)(wt.%) of the 25CrMo4

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％)
0.22-0.29 0.4 0.60-0.90 0.035 0.035 0.90-1.20 0.15-0.30

Mechanical Properties of steel grade 25CrMo4

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)
589 (≥) 984 (≥) 44 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 25CrMo4

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
34 - -     0.12 -  
573 851 - 24.3 313   -  
515 - 11 31.2   431 134

Heat Treatment of steel grade 25CrMo4

Heat treated : 1857°C - 1676°C

Technological Curves of steel grade 25CrMo4

Cross Reference Table (Equivalent Grade) of 25CrMo4

Grade Standard Country Application
25CrMo4 Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
GS-25CrMo4 DIN Germany
25CrMo4 UNE Spain Spain structural alloy steel
EN 25CrMo4 EN Euronorm Euronorm Structural steel
EN 25CrMo4KD EN Euronorm Euronorm Structural steel
EN 25CrMo4 EN Euronorm Euronorm Stainless Steel
L555MB 25CrMoS4
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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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