A 389 Grade C23 (United States / ASTM) Material Properties

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

Data updates

Latest Update: 2019-02
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 276 MPa view details
Tensile Strength 483 MPa view details
Elongation, A 18 % view details
Reduction of Area val1
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Yield Strength, Rp0.2 40 ksi view details
Tensile Strength 70.1 ksi view details
Elongation, A 18 % view details
Reduction of Area val1
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Physical Properties

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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.00 – 1.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.30 – 0.80
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

A389/A389M: 2024 / Standard Specification for Steel Castings, Alloy, Specially Heat Treated, for Pressure Containing Parts, Suitable for High-Temperature Service

Heat Treatments

  • Normalizing: 1010 - 1065°C (1850 - 1950°F).<br>Tempering temperature: 675 - 730°C (1250 - 1350°F), holding time 1h / 25mm or less of thickness.<br>Minimum preheat temperature shall be 150°C (300°F).