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12140

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12090 13030
#12140

Description

Czech Republic CSN 12140 The Czech republic Structural steel and 12140 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 12140
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 12140 CSN Czech Republic The Czech republic Structural steel
12041
12042
12050
12051
12052
12060
12061
12071
12081
12090

Chemical composition(mass fraction)(wt.%) of the 12140

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) V(%) Cu(%)
0.30-0.38 0.17-0.37 0.60-0.85 0.035 0.035 0.25 0.3 0.08-0.15 0.30

Mechanical Properties of steel grade 12140

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)
637 (≥) 762 (≥) 11 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 12140

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 - -     0.32 -  
742 717 - 31.3 124   -  
666 - 24 31.2   341 412

Heat Treatment of steel grade 12140

Heat treated : 1279°C - 1511°C

Technological Curves of steel grade 12140

Cross Reference Table (Equivalent Grade) of 12140

Grade Standard Country Application
412140 CSN Czech Republic The Czech republic Structural steel
12140 CSN Czech Republic The Czech republic Structural steel
12090 13030
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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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