NMX S31050 Stainless steels

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

Data updates

Latest Update: 2017-08
Total number of updates: 1
Update History

This material has 26 properties — only a subset is shown here.

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NMX S31050 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.025
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
24.00 – 26.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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-194: 1996 / Steel industry - seamless ferritic and austenitic alloy steel boiler superheaters and heat exchanger tubes - specifications

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NMX S31050 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 26 properties — only a subset is shown here.

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NMX S31050 Heat Treatments


  • Solution treatment; Austenitizing/Solutioning at min 1900°F (1040°C); Quenched in water or rapidly cooled by other means, at a rate sufficient to prevent re-precipitation of carbides, as demonstrable by the capability of tubes, heat treated by either separate solution annealing or by direct quenching; Cooling Media: water or other rapid cool.

NMX S31050 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 538 MPa
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Brinell Hardness (HB)
≤ 217
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Elongation, A
≥ 25 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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  • 5Cross References

  • 9Composition
  • 8Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

  • -Corrosion
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  • -Weatherability
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