ASTM A 437 Grade B4D Structural and constructional steels

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

Data updates

Latest Update: 2026-05
Total number of updates: 2
Update History
2021-02

This material has 78 properties — only a subset is shown here.

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ASTM A 437 Grade B4D Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.36 – 0.44
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.80 – 1.15
UNIT
%
CAS NUMBER
7440-47-3
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

A437/A437M: 2026 / Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service

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ASTM A 437 Grade B4D 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 78 properties — only a subset is shown here.

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ASTM A 437 Grade B4D Heat Treatments


  • Heated to a temperature range of 927 to 954°C (1700 to 1750°F) and oil quenched. The material shall then be uniformly reheated or tempered at a temperature of 649°C (1200°F) minimum, followed by air or furnace cooling to room temperature.

    Stress relieving: The minimum stress relieving temperature shall be 55°C (100°F) below the minimum tempering temperature.

ASTM A 437 Grade B4D Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 690 MPa
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Brinell Hardness (HB)
263 — 311
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Elongation, A
≥ 16 %
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Impact Energy
val1
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J
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ASTM A 437 Grade B4D International Equivalent Materials


Showing 5 of 46 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit

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  • 46Cross References

  • 9Composition
  • 16Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • 3Total Suppliers