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38MnB5

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33MnCrB5-2 39MnCrB6-2
#38MnB5

Description

Spain UNE 38MnB5 Spain structural alloy steel and 38MnB5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 38MnB5
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 38MnB5 UNE Spain Spain structural alloy steel
CUR
E1711
E1712
El721
E1740
E1741
20MnB5
27MnCrB5-2
30MnB5
33MnCrB5-2

Chemical composition(mass fraction)(wt.%) of the 38MnB5

C(％) Si(％) Mn(％) P(％) S(％) B(%)
0.36-0.42 0.4 1.15-1.45 0.035 0.04 0.0008-0.0050

Mechanical Properties of steel grade 38MnB5

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)
858 (≥) 817 (≥) 23 32 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 38MnB5

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
11 - -     0.24 -  
288 733 - 13.3 213   -  
991 - 13 13.2   124 311

Heat Treatment of steel grade 38MnB5

Heat treated : 1741°C - 1949°C

Technological Curves of steel grade 38MnB5

Cross Reference Table (Equivalent Grade) of 38MnB5

Grade Standard Country Application
38MnB5 UNE Spain Spain structural alloy steel
EN 38MnB5 EN Euronorm Euronorm Structural steel
33MnCrB5-2 39MnCrB6-2
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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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