A 451 Grade CPK20 (United States / ASTM) Material Properties

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

Data updates

Latest Update: -
Total number of updates: 0
Update History:
-

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 195 MPa view details
Tensile Strength 448 MPa view details
Elongation, A 30 % view details
Yield Strength, Rp0.2 28.3 ksi view details
Tensile Strength 65 ksi view details
Elongation, A 30 % view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 GPa view details
Density 7.61 — 8.1 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 31.2 E+03 ksi view details
Density 0.275 — 0.293 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
23.0 – 27.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.50
UNIT
%
CAS NUMBER
7439-96-5
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

A451/A451M: 2020 / Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service

Heat Treatments

  • Heated to a minimum 1150°C, held for 1 hour/25.4 mm of thickness, followed by quenching in water or rapid cooling by other means.