ASTM A 542 Type D Class 4a Structural and constructional steels

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

Data updates

Latest Update: 2019-08
Total number of updates: 2
Update History
2013-12

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ASTM A 542 Type D Class 4a Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
≤ 0.0020
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.09 – 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.88 – 2.62
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

A542/A542M: 2025 / Pressure Vessel Plates, Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-Vanadium

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ASTM A 542 Type D Class 4a 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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ASTM A 542 Type D Class 4a Heat Treatments

  • 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. After quenching, the plates shall be tempered to produce the specified tensile requirements by heating to a suitable temperature and holding for a period of time of not less that 1.2 min/mm of thickness but not less than 0.5 h. The minimum tempering temperature shall be: 675°C (1250°F)
    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).
    Plates ordered without the heat treatment shall be furnished in either the stress-relieved or the annealed condition. Minimum stress relieving temperature shall be 565°C (1050°F).

ASTM A 542 Type D Class 4a Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
585 — 760 MPa
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Elongation, A
≥ 18 %
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Yield Strength, Rp0.2
≥ 415 MPa
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ASTM A 542 Type D Class 4a International Equivalent Materials

Showing 15 of 65 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
SA-542 Type D Class 4a
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
14CrMoV9-10
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Official
MATERIAL
A 542 Type D Class 1
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 542 Type D Class 2
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 542 Type D Class 3
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
K31835
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
SA-336 Grade F22V
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-542 Type D Class 1
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-542 Type D Class 2
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-542 Type D Class 3
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-542 Type D Class 4
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-832 Grade 22V
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
A 541 Grade 22V
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
A 542 Type D Class 4
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SCMQ4V
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 65Cross References
  • 13Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • 7Joints
  • -Coatings
  • 34Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 43Total Suppliers