SA-336 Grade F91 Type 1 (United States / ASME) Material Properties

Alternative designations: 9Cr-1Mo-V
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United States / ASME

Data updates

Latest Update: 2024-02
Total number of updates: 6
Update History:
2024-01 2023-11 2023-10 2019-11 2017-10

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 415 MPa view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
MPa view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
MPa view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
MPa view details
Tensile Strength 620 — 760 MPa view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
MPa view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
MPa view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
MPa view details
Elongation, A 20 % view details
Reduction of Area val1
Full data access requires a free trial. Sign Up Free
% view details
Yield Strength, Rp0.2 60.2 ksi view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
ksi view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
ksi view details
Yield Strength, Rp0.2 val1
Full data access requires a free trial. Sign Up Free
ksi view details
Tensile Strength 89.9 — 110.2 ksi view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
ksi view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
ksi view details
Tensile Strength val1
Full data access requires a free trial. Sign Up Free
ksi view details
Elongation, A 20 % view details
Reduction of Area val1
Full data access requires a free trial. Sign Up Free
% view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient val1
Full data access requires a free trial. Sign Up Free
view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°C view details
Thermal Conductivity 22.3 W/(m∙°C) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
W/(m∙°C) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
W/(m∙°C) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
W/(m∙°C) view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient val1
Full data access requires a free trial. Sign Up Free
view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
Full data access requires a free trial. Sign Up Free
10-6/°F view details
Thermal Conductivity 12.9 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
Full data access requires a free trial. Sign Up Free
BTU/(h∙ft∙°F) view details

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
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
Zr
VALUE
val1
Full data access requires a free trial. Sign Up Free
UNIT
%
CAS NUMBER
7440-67-7

ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications / American Society of Mechanical Engineers / 2023

Heat Treatments

  • The austenitizing temperature shall be in the range of 1040 to 1080°C (1900 to 1975°F). Normalizing or liquid quenching shall be followed by tempering in the range of 730 - 800°C (1350 - 1470°F).<br>Any section thickness greater than 75 mm shall be normalized and tempered or liquid quenched and tempered at the manufacturer’s option.