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CH-20

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CH-10 CK-20
#CH-20

Description

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

Datasheet for: Steel Grades:Special Alloy: CH-20
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CH-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
60Cr-40Ni
50Cr-50Ni-Nb
CF-8
CG-12
CF-20
CF-8M
CF-8C
CF-16F
CF-16Fa
CH-10

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.2 2.00 1.50 0.04 0.04 22.0-26.0 12.0-15.0 －

Mechanical Properties of steel grade CH-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)
735 (≥) 167 (≥) 41 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade CH-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
23 - -     0.23 -  
971 928 - 44.3 332   -  
351 - 34 34.2   244 331

Heat Treatment of steel grade CH-20

Heat treated : 1944°C - 1899°C

Technological Curves of steel grade CH-20

Cross Reference Table (Equivalent Grade) of CH-20

Grade Standard Country Application
CH-20 ASTM USA
CH-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CH-20 ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CH-10 CK-20
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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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