AIR 16 NCD 17 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: France / AIR

Data updates

Latest Update: 2017-12
Total number of updates: 1
Update History

This material has 39 properties — only a subset is shown here.

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AIR 16 NCD 17 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1400 – 0.1800
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.0000 – 1.3000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.3500 – 0.4500
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

AIR 9160/C: 1973 / General conditions for delivery and use of wrought steels used in aeronautical structures

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AIR 16 NCD 17 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 39 properties — only a subset is shown here.

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AIR 16 NCD 17 Heat Treatments

  • Annealed (R): heated at 900°C (4 hours), cooled in air; 840 +/ - 10°C (oil) or 760 +/- 10°C (oil); Tempered at 190+/-10°C.
    Annealed (R) at 920°C (air) + 650°C (air).
    Hardened and tempered (T1310, T1270, T1180): at 880/900 or 840 +/- 10°C (oil) or 760 +/-10 (oil); Tempered at 190+/-10°C

AIR 16 NCD 17 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1180 — 1480 MPa
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Brinell Hardness (HB)
≥ 277
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Elongation, A
≥ 8 %
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Impact Strength
val1
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kJ/m²
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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Vickers Hardness (HV)
val1
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  • -Cross References
  • 8Composition
  • 27Mechanical 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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