A 42 FP (France / AFNOR NF) Material Properties

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

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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Yield Strength, Rp0.2 val1
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Yield Strength, Rp0.2 val1
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Tensile Strength 410 — 490 MPa view details
Elongation, A 24 % view details
Impact Strength 28 kJ/m² view details
Impact Strength val1
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kJ/m² view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 59.5 — 71.1 ksi view details
Elongation, A 24 % view details
Impact Strength 13 ft·lb/in² view details
Impact Strength val1
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ft·lb/in² 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
≤ 0.18
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

Heat Treatments

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