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419721

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419720 419723
#419721

Description

Czech Republic CSN 419721 The Czech republic tool steel and 419721 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 419721
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 419721 CSN Czech Republic The Czech republic tool steel
419655
419662
419663
419675
419678
419680
419710
419711
419712
419720

Chemical composition(mass fraction)(wt.%) of the 419721

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
0.25-0.35 0.15-0.45 0.20-0.50 0.03 0.03 2.10-2.60 0.15-0.30 80.50-10.0

Mechanical Properties of steel grade 419721

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)
577 (≥) 285 (≥) 42 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade 419721

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 - -     0.21 -  
498 776 - 34.3 414   -  
715 - 21 22.2   313 134

Heat Treatment of steel grade 419721

Heat treated : 1576°C - 1249°C

Technological Curves of steel grade 419721

Cross Reference Table (Equivalent Grade) of 419721

Grade Standard Country Application
419721 CSN Czech Republic The Czech republic tool steel
419720 419723
Available Suppliers
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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