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416640

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416540 416720
#416640

Description

Czech Republic CSN 416640 The Czech republic Structural steel and 416640 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 416640
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 416640 CSN Czech Republic The Czech republic Structural steel
416341
416342
416343
416420
416431
416440
416444
42 6523
416532
416540

Chemical composition(mass fraction)(wt.%) of the 416640

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.30-0.38 0,17-0.37 0.35-0.00 0.035 0.035 0.80-1.20 4.70-5.20

Mechanical Properties of steel grade 416640

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)
369 (≥) 837 (≥) 44 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 416640

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
14 - -     0.14 -  
544 547 - 14.3 423   -  
255 - 11 11.2   414 232

Heat Treatment of steel grade 416640

Heat treated : 1542°C - 1276°C

Technological Curves of steel grade 416640

Cross Reference Table (Equivalent Grade) of 416640

Grade Standard Country Application
416640 CSN Czech Republic The Czech republic Structural steel
416540 416720
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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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