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CN-7M

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CG-8M CN-7MS
#CN-7M

Description

USA ASTM CN-7M Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service and CN-7M Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CN-7M
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CN-7M ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CB-6
CB7Cu-1
CB7Cu-2
CF-3
CF-3M
CF-8
CF-8M
CF-8C
CG-3M
CG-8M

Chemical composition(mass fraction)(wt.%) of the CN-7M

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.0700000000000000 1.5 1.5 0.04 0.04 19.0-22.0 27.0-30.0 2.0-3.0 3.0-4.0

Mechanical Properties of steel grade CN-7M

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)
875 (≥) 665 (≥) 24 24 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade CN-7M

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
13 - -     0.43 -  
544 429 - 23.3 424   -  
947 - 31 33.2   322 433

Heat Treatment of steel grade CN-7M

Heat treated : 1391°C - 1476°C

Technological Curves of steel grade CN-7M

Cross Reference Table (Equivalent Grade) of CN-7M

Grade Standard Country Application
CN-7M AISI USA
CN-7MS AISI USA
ASTM CN-7M AISI USA
ASTM CN-7MS AISI USA
CN-7M ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7MS ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7M ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CN-7MS ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CN-7M ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7MS ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7M ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CN-7MS ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CG-8M CN-7MS
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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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