ASTM A 744 Grade CN-7MS Cast steels

Material group: Ferrous Alloys / Cast steels
Country / Standard: United States / ASTM

Data updates

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This material has 24 properties — only a subset is shown here.

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ASTM A 744 Grade CN-7MS Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.07
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
18.0 – 20.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
1.5 – 2.0
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

A744/A744M: 2021 / Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service

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ASTM A 744 Grade CN-7MS Heat Treatments


  • Heat to 1150°C (2100°F) min, 1180°C (2150°F) max, hold for sufficient time (2 h min) to heat casting to temperature, and quench in water.

ASTM A 744 Grade CN-7MS Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 485 MPa
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Elongation, A
≥ 35 %
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Yield Strength, Rp0.2
≥ 205 MPa
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ASTM A 744 Grade CN-7MS International Equivalent Materials


Showing 5 of 7 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ACI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
NMX
COUNTRY / PRODUCER
Mexico
EQUIVALENCE CATEGORY
Composition 100%

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 7Cross References

  • 9Composition
  • 3Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 1Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 3Total Suppliers