ASME SA-543 Type B Class 1 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: 5
Update History
2023-11 2023-10 2020-12 2020-10

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ASME SA-543 Type B Class 1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.00 – 1.90
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.40
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

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-543 Type B Class 1 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 135 properties — only a subset is shown here.

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ASME SA-543 Type B Class 1 Heat Treatments

  • All plates shall be heat treated by heating to a suitable austenitizing temperature, holding for a sufficient period of time to attain uniform temperature throughout the thickness, and quenching in a suitable liquid medium by spraying or immersion. The plates shall then be tempered to produce the required properties by heating to a suitable temperature not lower than 595°C (1100°F) with a holding time of not less than 1.2 min/mm of thickness but not less than 0.5 hour.
    Plates over 100 mm in thickness shall receive a prior heat treatment of normalizing at, or water quenching from, a temperature within the range from 900 to 1010°C (1650 to 1850°F) before final heat treatment.

ASME SA-543 Type B Class 1 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
585 MPa
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Tensile Strength
725 — 860 MPa
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Elongation, A
14 %
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  • 10 Cross References

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

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

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

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

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