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EN 30MnB5

Favorite Datasheet
EN 27MnCrB5-2 EN 33MnCrB5-Z
#30MnB5

Description

Euronorm EN EN 30MnB5 Euronorm Structural steel and EN 30MnB5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: EN 30MnB5
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel EN 30MnB5 EN Euronorm Euronorm Structural steel
EN 41Cr4
EN 41CrS4
EN 42CrMo
EN 42CrMoS4
EN 46Cr2
EN 46CrS2
EN 50CrMo4
EN 51CrV4
EN 20MnB5
EN 27MnCrB5-2

Chemical composition(mass fraction)(wt.%) of the EN 30MnB5

C(％) Si(％) Mn(％) P(％) S(％)
0.27-0.33 0.40 1.15-1.45 0.035 0.040

Mechanical Properties of steel grade EN 30MnB5

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)
825 (≥) 384 (≥) 42 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade EN 30MnB5

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
31 - -     0.31 -  
838 282 - 21.3 241   -  
721 - 14 32.2   233 324

Heat Treatment of steel grade EN 30MnB5

Heat treated : 1574°C - 1624°C

Technological Curves of steel grade EN 30MnB5

Cross Reference Table (Equivalent Grade) of EN 30MnB5

Grade Standard Country Application
30MnB5 UNE Spain Spain structural alloy steel
EN 30MnB5 EN Euronorm Euronorm Structural steel
EN 27MnCrB5-2 EN 33MnCrB5-Z
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