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39MnCrB6-2

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38MnB5 10CrMo9-10
#39MnCrB6-2

Description

Spain UNE 39MnCrB6-2 Spain structural alloy steel and 39MnCrB6-2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 39MnCrB6-2
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 39MnCrB6-2 UNE Spain Spain structural alloy steel
E1711
E1712
El721
E1740
E1741
20MnB5
27MnCrB5-2
30MnB5
33MnCrB5-2
38MnB5

Chemical composition(mass fraction)(wt.%) of the 39MnCrB6-2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) B(%)
0.36-0.42 0.4 1.40-1.70 0.035 0.04 0.30-0.60 0.0008-0.0050

Mechanical Properties of steel grade 39MnCrB6-2

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)
976 (≥) 512 (≥) 42 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 39MnCrB6-2

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
13 - -     0.43 -  
553 826 - 13.3 142   -  
119 - 21 33.2   313 342

Heat Treatment of steel grade 39MnCrB6-2

Heat treated : 1379°C - 1975°C

Technological Curves of steel grade 39MnCrB6-2

Cross Reference Table (Equivalent Grade) of 39MnCrB6-2

Grade Standard Country Application
39MnCrB6-2 UNE Spain Spain structural alloy steel
EN 39MnCrB6-2 EN Euronorm Euronorm Structural steel
38MnB5 10CrMo9-10
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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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