ASME SA-420 Grade WPL6 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United States / ASME

Data updates

Latest Update: 2024-02
Total number of updates: 7
Update History

This material has 8797 properties — only a subset is shown here.

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ASME SA-420 Grade WPL6 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.40
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications / American Society of Mechanical Engineers / 2025

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ASME SA-420 Grade WPL6 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
val1
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GPa
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Density
7.67 — 7.86 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
60.4 W/(m∙°C)
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This material has 8797 properties — only a subset is shown here.

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ASME SA-420 Grade WPL6 Heat Treatments

  • All fittings shall be furnished in the normalized, normalized and tempered, annealed, or quenched and tempered condition. All welding shall be completed prior to the austenitizing heat treatment.
    Post weld heat treatment: Metal temperature of 595 - 650°C (1100 - 1200°F), 1h/ 25 mm, minimum holding time 15 min.

ASME SA-420 Grade WPL6 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
240 MPa
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Tensile Strength
415 — 655 MPa
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Elongation, A
12 %
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  • 10 Cross References
  • 11 Composition
  • 51 Mechanical Properties
  • 82 Physical Properties
  • 1 Heat Treatment
  • - Metallography
  • - Machinability
  • 4 Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • 55 Creep
  • 83 Joints
  • - Coatings
  • - Dimensions
  • 1 Tribology
  • 8491 Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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