UNI 1.5662 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Italy / UNI

Data updates

Latest Update: 2018-04
Total number of updates: 5
Update History
2017-09 2017-06 2016-05 2014-06

This material has 757 properties — only a subset is shown here.

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UNI 1.5662 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr+Cu+Mo
VALUE
≤ 0.50
UNIT
%
CAS NUMBER
CRITERIA
Mn
VALUE
0.30 – 0.80
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 10028-4: 2017 / Flat products made of steels for pressure purposes - Part 4: nickel alloy steels with specified low temperature properties

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UNI 1.5662 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Dynamic Modulus of Elasticity
val1
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GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Thermal Conductivity
val1
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W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
val1
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Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 757 properties — only a subset is shown here.

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UNI 1.5662 Heat Treatments

  • +NT640 (+N plus +NT):
    Austenitizing at 880 to 930°C + 770 to 830°C and air cooling; Tempering at 540 to 600°C and air or water cooling.
    +QT640 (+QT):
    Austenitizing at 770 to 830°C and air or oil cooling; Tempering at 540 to 600°C and air or water cooling.
    +QT 680 (+QT):
    Austenitizing at 770 to 830°C and water and oil cooling; Tempering at 540 to 600°C and air or water cooling.
  • (+N+N+T) Normalized: 880-930°C + 770-830°C, cooled in air; Tempered: 540-600°C.
    (+QT) Quenched: 770-830°C, cooled in oil or water; Tempered: 540-600°C.

UNI 1.5662 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
470 MPa
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Tensile Strength
640 — 840 MPa
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Elongation, A
18 %
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Reduction of Area
val1
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%
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Impact Energy
val1
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J
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  • 174 Cross References
  • 28 Composition
  • 158 Mechanical Properties
  • 46 Physical Properties
  • 3 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • 8 Creep
  • 44 Joints
  • - Coatings
  • 156 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
  • 140 Total Suppliers