1.5680 (France / AFNOR NF) Material Properties

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

Data updates

Latest Update: 2025-03
Total number of updates: 6
Update History:
2017-06 2016-05 2016-03 2014-06 2014-05

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 380 MPa view details
Tensile Strength 510 — 710 MPa view details
Elongation, A 19 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 55.1 ksi view details
Tensile Strength 74 — 103 ksi view details
Elongation, A 19 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb 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
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Cu+Mo
VALUE
≤ 0.50
UNIT
%
CAS NUMBER
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

EN 10222-3: 2017 / Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties

Heat Treatments

  • (+N) Normalized: 800-850°C, cooled in air; <br /> (+NT) Normalized: 800-850°C, cooled in air, Tempered: 580-660°C, cooled in air or water; <br /> (+QT) Quenched: 800-850°C, cooled in oil or water, Tempered: 580-660°C, cooled in air or water.
  • (+N) Normalized: 800-850°C, cooled in air;<br />(+NT) Normalized: 800-850°C, cooled in air; Tempered: 580-660°C.