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412040

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412031 412041
#412040

Description

Czech Republic CSN 412040 The Czech republic Structural steel and 412040 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 412040
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 412040 CSN Czech Republic The Czech republic Structural steel
412014
412015
412020
412021
412022
412023
412024
412025
412030
412031

Chemical composition(mass fraction)(wt.%) of the 412040

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.32-0.40 0.15-0.40 0.50-0.80 0.040 0.040 0.25 0.30 0.30

Mechanical Properties of steel grade 412040

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)
765 (≥) 916 (≥) 44 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 412040

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 - -     0.21 -  
949 178 - 32.3 143   -  
851 - 34 33.2   421 423

Heat Treatment of steel grade 412040

Heat treated : 1616°C - 1319°C

Technological Curves of steel grade 412040

Cross Reference Table (Equivalent Grade) of 412040

Grade Standard Country Application
412040 CSN Czech Republic The Czech republic Structural steel
412031 412041
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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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