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40BOL0

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39MoAlCr15XS 40BCr10S
#40BOL0

Description

Romania STAS/SR 40BOL0 Alloy structural steel and 40BOL0 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 40BOL0
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 40BOL0 STAS/SR Romania Alloy structural steel
35MnSi13X
35MnSi13XS
36MnCrSi13
36MnCrSi13S
36MnCrSiI3X
36MnCrSi13XS
39MoAICr15
39MoAlCr15S
39MoAlCr15X
39MoAlCr15XS

Chemical composition(mass fraction)(wt.%) of the 40BOL0

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) B(%) Ti(%)
0.36-0.44 0.17 -0.37 0.50-0.80 0.035 0.035 0.80-1.10 0.3 0.15 0.3 0.001- 0.003 0.02

Mechanical Properties of steel grade 40BOL0

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)
645 (≥) 879 (≥) 43 43 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade 40BOL0

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
32 - -     0.32 -  
281 852 - 41.3 313   -  
264 - 43 44.2   142 321

Heat Treatment of steel grade 40BOL0

Heat treated : 1243°C - 1937°C

Technological Curves of steel grade 40BOL0

Cross Reference Table (Equivalent Grade) of 40BOL0

Grade Standard Country Application
40BOL0 STAS/SR Romania Alloy structural steel
39MoAlCr15XS 40BCr10S
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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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