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CN3MN

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CH20 CN7M
#CN3MN

Description

USA ASTM CN3MN Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and CN3MN Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CN3MN
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CN3MN ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CE8MN
CE20N
CG3M
CG6MMN
CG8M
CK3MCuN
CK20
CH8
CH10
CH20

Chemical composition(mass fraction)(wt.%) of the CN3MN

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%) Cu(%)
0.03 1 2 0.04 0.01 20.0-22.0 23.5-25.5 6.0-7.0 0.18-0.26 ≤0.75

Mechanical Properties of steel grade CN3MN

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)
317 (≥) 214 (≥) 43 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade CN3MN

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
24 - -     0.44 -  
221 769 - 12.3 211   -  
675 - 14 12.2   432 141

Heat Treatment of steel grade CN3MN

Heat treated : 1714°C - 1527°C

Technological Curves of steel grade CN3MN

Cross Reference Table (Equivalent Grade) of CN3MN

Grade Standard Country Application
CN3MN ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CN3MN ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CH20 CN7M
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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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