WL 1.6722 Structural and constructional steels

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

Data updates

Latest Update: 2020-10
Total number of updates: 1
Update History

This material has 40 properties — only a subset is shown here.

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WL 1.6722 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.13 – 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.00 – 1.40
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.25 – 0.55
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

WL 1.6722-1: 1992 / Case-hardening nickel-chromium-molybdenum steel with about 0.15 C - 4 Ni - 1 Cr- 0.2 Mo, consumable electrode remelted; bars and forgings

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WL 1.6722 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Thermal Conductivity
54 W/(m∙°C)
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
val1
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This material has 40 properties — only a subset is shown here.

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WL 1.6722 Heat Treatments


  • Annealed: Annealing (650-680°C). Solution heat-treated and quenched: Hardening (850+/-10°C)/oil.

WL 1.6722 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
1180 — 1600 MPa
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Brinell Hardness (HB)
≤ 277
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Elongation, A
≥ 8 %
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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  • 4Cross References

  • 8Composition
  • 15Mechanical Properties
  • 8Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 3Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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