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12020

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12015 12021
#12020

Description

Czech Republic CSN 12020 The Czech republic Structural steel and 12020 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 12020
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 12020 CSN Czech Republic The Czech republic Structural steel
11531
11550
11600
11650
11700
11800
12010
12011
12014
12015

Chemical composition(mass fraction)(wt.%) of the 12020

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.13-0.20 0.15-0.40 0.60-0.90 0.040 0.040 0.25 0.30 0.3

Mechanical Properties of steel grade 12020

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)
176 (≥) 186 (≥) 14 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade 12020

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
43 - -     0.31 -  
987 757 - 33.3 332   -  
748 - 34 31.2   234 224

Heat Treatment of steel grade 12020

Heat treated : 1992°C - 1752°C

Technological Curves of steel grade 12020

Cross Reference Table (Equivalent Grade) of 12020

Grade Standard Country Application
412020 CSN Czech Republic The Czech republic Structural steel
12020 CSN Czech Republic The Czech republic Structural steel
12015 12021
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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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