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CF-20

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CG-12 CF-8M
#CF-20

Description

USA ASTM CF-20 Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application and CF-20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CF-20
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CF-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
J02502
J03002
J02503
Type I
Type II
50Cr-50Ni
60Cr-40Ni
50Cr-50Ni-Nb
CF-8
CG-12

Chemical composition(mass fraction)(wt.%) of the CF-20

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.2 2.00 1.50 0.04 0.04 18.0-21.0 8.0-11.0 －

Mechanical Properties of steel grade CF-20

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)
372 (≥) 664 (≥) 11 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade CF-20

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
41 - -     0.12 -  
936 956 - 44.3 322   -  
613 - 44 21.2   321 224

Heat Treatment of steel grade CF-20

Heat treated : 1238°C - 1465°C

Technological Curves of steel grade CF-20

Cross Reference Table (Equivalent Grade) of CF-20

Grade Standard Country Application
CF-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CF-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CG-12 CF-8M
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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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