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16720

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16640 1006
#16720

Description

Czech Republic CSN 16720 The Czech republic Structural steel and 16720 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 16720
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 16720 CSN Czech Republic The Czech republic Structural steel
16342
16343
16420
16431
16440
16444
16523
16532
16540
16640

Chemical composition(mass fraction)(wt.%) of the 16720

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.14-0.21 0.17-0.37 0.25-0.55 0.035 0.035 1.35-1.65 4.00-4.50

Mechanical Properties of steel grade 16720

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)
513 (≥) 836 (≥) 43 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 16720

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 - -     0.41 -  
162 591 - 32.3 312   -  
179 - 31 43.2   444 414

Heat Treatment of steel grade 16720

Heat treated : 1168°C - 1288°C

Technological Curves of steel grade 16720

Cross Reference Table (Equivalent Grade) of 16720

Grade Standard Country Application
416720 CSN Czech Republic The Czech republic Structural steel
16720 CSN Czech Republic The Czech republic Structural steel
16640 1006
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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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