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CN7M

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CN3MN CT15C
#CN7M

Description

USA ASTM CN7M Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and CN7M Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CN7M
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CN7M ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CE20N
CG3M
CG6MMN
CG8M
CK3MCuN
CK20
CH8
CH10
CH20
CN3MN

Chemical composition(mass fraction)(wt.%) of the CN7M

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.0700000000000000 1.5 1.5 0.04 0.04 19.0-22.0 27.5-30.5 2.0-3.0 3.0-4.0

Mechanical Properties of steel grade CN7M

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)
926 (≥) 251 (≥) 34 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade CN7M

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 - -     0.43 -  
716 825 - 32.3 232   -  
294 - 11 22.2   243 242

Heat Treatment of steel grade CN7M

Heat treated : 1375°C - 1834°C

Technological Curves of steel grade CN7M

Cross Reference Table (Equivalent Grade) of CN7M

Grade Standard Country Application
ASTM CN7M AISI USA
CN7M ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CN7M ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CN3MN CT15C
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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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