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CN-7MS

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CN-7M CN-3MN
#CN-7MS

Description

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

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

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

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.0700000000000000 2.50-3.50 1 0.04 0.03 18.0-20.0 22.0-25.0 2.5-3.0 1.5-2.0

Mechanical Properties of steel grade CN-7MS

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)
482 (≥) 646 (≥) 11 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade CN-7MS

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
43 - -     0.32 -  
617 768 - 21.3 432   -  
395 - 21 13.2   311 423

Heat Treatment of steel grade CN-7MS

Heat treated : 1775°C - 1395°C

Technological Curves of steel grade CN-7MS

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

Grade Standard Country Application
CN-7MS AISI USA
ASTM CN-7MS AISI USA
CN-7MS ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7MS ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CN-7MS ASTM USA Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
CN-7MS ASTM USA Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
CN-7M CN-3MN
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