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412021

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412020 412022
#412021

Description

Czech Republic CSN 412021 The Czech republic Structural steel and 412021 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 412021
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 412021 CSN Czech Republic The Czech republic Structural steel
411550
411600
411650
411700
411800
412010
412011
412014
412015
412020

Chemical composition(mass fraction)(wt.%) of the 412021

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.07-0.15 0.17-0.35 0.35-0.60 0.040 0.040 0.25 0.25 0.25

Mechanical Properties of steel grade 412021

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)
233 (≥) 974 (≥) 22 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 412021

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 - -     0.13 -  
665 867 - 34.3 124   -  
993 - 41 31.2   331 243

Heat Treatment of steel grade 412021

Heat treated : 1574°C - 1846°C

Technological Curves of steel grade 412021

Cross Reference Table (Equivalent Grade) of 412021

Grade Standard Country Application
412021 CSN Czech Republic The Czech republic Structural steel
412020 412022
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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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