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12040

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12031 12041
#12040

Description

Czech Republic CSN 12040 The Czech republic Structural steel and 12040 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 12040
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 12040 CSN Czech Republic The Czech republic Structural steel
12014
12015
12020
12021
12022
12023
12024
12025
12030
12031

Chemical composition(mass fraction)(wt.%) of the 12040

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 12040

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)
672 (≥) 136 (≥) 11 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade 12040

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
41 - -     0.33 -  
498 546 - 23.3 144   -  
269 - 32 23.2   422 114

Heat Treatment of steel grade 12040

Heat treated : 1881°C - 1367°C

Technological Curves of steel grade 12040

Cross Reference Table (Equivalent Grade) of 12040

Grade Standard Country Application
412040 CSN Czech Republic The Czech republic Structural steel
12040 CSN Czech Republic The Czech republic Structural steel
12031 12041
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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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