ASME SA-193 Grade B8R Class 1D Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: United States / ASME

Data updates

Latest Update: 2023-10
Total number of updates: 2
Update History
2016-03

This material has 175 properties — only a subset is shown here.

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ASME SA-193 Grade B8R Class 1D Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
20.5 – 23.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
4.0 – 6.0
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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-193 Grade B8R Class 1D Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 175 properties — only a subset is shown here.

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ASME SA-193 Grade B8R Class 1D Heat Treatments

  • Rolled or forged bar shall be cooled rapidly immediately following hot working while the temperature is above 955°C (1750°F) so that grain boundary carbides remain in solution. Class 1D shall be restricted to applications at temperatures less than 455°C (850°F).

ASME SA-193 Grade B8R Class 1D Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 690 MPa
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Brinell Hardness (HB)
≤ 271
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Elongation, A
≥ 35 %
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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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Grain Size
val1
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ASME SA-193 Grade B8R Class 1D International Equivalent Materials

Showing 15 of 146 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A 193 B101 Class 1D
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
SA-312 TPXM-19
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 193 B8R Class 1D
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
SA-193 Grade B8R Class 1C
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-193 Grade B8RA Class 1C
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-194 Grade 8R
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-194 Grade 8RA
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-249 TP XM-19
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-479 Type XM-19
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-813 TPXM-19
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-276 XM-19
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 193 B8R Class 1C
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 193 B8RA Class 1C
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 312 TPXM-19
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 403 WPXM-19
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%

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

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  • 146Cross References
  • 11Composition
  • 7Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 7Total Suppliers