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EN 27MnCrB5-2

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EN 20MnB5 EN 30MnB5
#27MnCrB5-2

Description

Euronorm EN EN 27MnCrB5-2 Euronorm Structural steel and EN 27MnCrB5-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 27MnCrB5-2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 27MnCrB5-2 EN Euronorm Euronorm Structural steel
EN 38CrS2
EN 41Cr4
EN 41CrS4
EN 42CrMo
EN 42CrMoS4
EN 46Cr2
EN 46CrS2
EN 50CrMo4
EN 51CrV4
EN 20MnB5

Chemical composition(mass fraction)(wt.%) of the EN 27MnCrB5-2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.24-0.30 0.40 1.10-1.40 0.035 0.040 0.30-0.60

Mechanical Properties of steel grade EN 27MnCrB5-2

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)
576 (≥) 818 (≥) 14 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade EN 27MnCrB5-2

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
23 - -     0.24 -  
896 564 - 21.3 443   -  
555 - 41 23.2   122 313

Heat Treatment of steel grade EN 27MnCrB5-2

Heat treated : 1113°C - 1424°C

Technological Curves of steel grade EN 27MnCrB5-2

Cross Reference Table (Equivalent Grade) of EN 27MnCrB5-2

Grade Standard Country Application
27MnCrB5-2 UNE Spain Spain structural alloy steel
EN 27MnCrB5-2 EN Euronorm Euronorm Structural steel
EN 20MnB5 EN 30MnB5
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