Generic 4140 Structural and constructional steels

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

Data updates

Latest Update: 2020-01
Total number of updates: 1
Update History

This material has 14 properties — only a subset is shown here.

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Generic 4140 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.44
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
Balance
UNIT
%
CAS NUMBER
7439-89-6
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
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

Tensile Fracture Behavior and Failure Mechanism of Additively-Manufactured AISI 4140 Low Alloy Steel by Laser Engineered Net Shaping, H. Kim, Z. Liu, W.Cong,, MDPI, 2017

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Generic 4140 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
190 — 720 MPa
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Elongation, A
0.8 — 4 %
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Yield Strength, Rp0.2
160 — 655 MPa
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  • -Cross References
  • 8Composition
  • 6Mechanical Properties
  • -Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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