UNI Fe E 390 KT Structural and constructional steels

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

Data updates

Latest Update: 2019-08
Total number of updates: 1
Update History

This material has 56 properties — only a subset is shown here.

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UNI Fe E 390 KT Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
7440-47-3
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
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

UNI 7382: 1975 / Cold rolled flat finished products of special steel. Plates and strips with thickness greater than or equal to 3 mm for highly stressed finished structures

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UNI Fe E 390 KT 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 56 properties — only a subset is shown here.

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UNI Fe E 390 KT Heat Treatments

  • For steels supplied without tempering, stress relief should be performed at up to 580°C. For steels supplied as normalized and tempered, the temperature of the stress relief must be less than at least 30°C of the tempering temperature. The stress relief should be performed 2 min for each millimeter of thickness with a minimum of 30 min.

UNI Fe E 390 KT Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
510 — 650 MPa
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Elongation, A
≥ 20 %
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Impact Energy
val1
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J
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Yield Strength, Rp0.2
≥ 355 MPa
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  • 15Cross References
  • 13Composition
  • 23Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • 1Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers