AF 50 S (France / AFNOR NF) Material Properties

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

Data updates

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Update History:
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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 490 — 590 MPa view details
Elongation, A 25 % view details
Impact Strength 70 kJ/m² view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 71.1 — 85.6 ksi view details
Elongation, A 25 % view details
Impact Strength 33 ft·lb/in² view details
Impact Energy val1
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ft·lb view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.2000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 1.5000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.0400
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 F 80-105: 1982 / Railway transport equipment. Recommended steels for railway rolling-stock construction. V : unalloyed forging steels suitable for heat treatment

Heat Treatments

  • Normalize: 875-900°C (30 minutes), air cooling.
  • Normalizing: 875 - 900°C.