NMX F347 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: Mexico / NMX

Data updates

Latest Update: 2015-06
Total number of updates: 1
Update History

This material has 75 properties — only a subset is shown here.

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NMX F347 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.00 – 20.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb+Ta
VALUE
val1
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UNIT
%
CAS NUMBER
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

NMX-B-241: 1970 / Laminated or forged alloy steel flanges, forged fittings, valves and part for high temperature service

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NMX F347 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 75 properties — only a subset is shown here.

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NMX F347 Heat Treatments


  • Heat treated at minimum 1040°C. Should receive stabilization treatment which involves keeping forges between 815°C and 870°C; at least two hours for every 25.40 mm thick, and then cooling in the furnace or in the air.

NMX F347 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 520 MPa
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Elongation, A
≥ 45 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 206 MPa
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  • 59Cross References

  • 8Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

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