ASTM A 336 Grade F91 Type 1 Structural and constructional steels

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

Data updates

Latest Update: 2019-02
Total number of updates: 2
Update History
2016-02

This material has 167 properties — only a subset is shown here.

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ASTM A 336 Grade F91 Type 1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.02
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.08 – 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
8.0 – 9.5
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
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
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
CRITERIA
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7

A336/A336M: 2023 / Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts

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ASTM A 336 Grade F91 Type 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 167 properties — only a subset is shown here.

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ASTM A 336 Grade F91 Type 1 Heat Treatments


  • The austenitizing temperature shall be in the range of 1040 to 1080°C (1900 to 1975°F). The minimum tempering temperature shall be 730 - 800°C (1350 - 1470°F).

ASTM A 336 Grade F91 Type 1 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
620 — 760 MPa
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Elongation, A
≥ 19 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 415 MPa
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ASTM A 336 Grade F91 Type 1 International Equivalent Materials


Showing 15 of 91 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
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STANDARD
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United States
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Implicit
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United States
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United States
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United States
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United States
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United States
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United States
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STANDARD
ASTM
COUNTRY / PRODUCER
United States
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MATERIAL
STANDARD
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COUNTRY / PRODUCER
United States
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Implicit
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
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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  • 91Cross References

  • 14Composition
  • 6Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 13Creep

  • 10Joints
  • -Coatings
  • 15Dimensions
  • -Tribology

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

  • 14Total Suppliers