AFNOR NF A 42 FP Structural and constructional steels

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

Data updates

Latest Update: 2022-08
Total number of updates: 3
Update History
2020-04 2015-09

This material has 8798 properties — only a subset is shown here.

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AFNOR NF A 42 FP Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cu
VALUE
≤ 0.18
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Cu+6Sn
VALUE
≤ 0.330
UNIT
%
CAS NUMBER
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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

NF A36-605: 1982 / Weldable steel drip forged articles for boilers and pressure vessels. Carbon and carbon-manganese steels. Grades and types

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AFNOR NF A 42 FP 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 8798 properties — only a subset is shown here.

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AFNOR NF A 42 FP Heat Treatments

  • Normalized or the quenched and tempered condition at a temperature greater than or equal to 600°C.
    These characteristics are also guaranteed after treatment according relaxation:
    - Temperature meter rise 70-80°C/h from 300°C.
    - Maintenance at 580°C, 1h by 25 mm with a minimum of 2h.
    - Fall in temperature 70-80°C/h to 300°C then air cooling.

AFNOR NF A 42 FP Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
410 — 490 MPa
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Elongation, A
24 %
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Impact Strength
val1
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kJ/m²
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  • 67 Cross References

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

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

  • 84 Joints
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  • - Dimensions
  • 1 Tribology

  • 8491 Corrosion
  • - Ageing
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