A 356 Grade 9 (United States / ASTM) Material Properties

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

Data updates

Latest Update: 2021-02
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 415 MPa view details
Tensile Strength 585 MPa view details
Elongation, A 15 % view details
Reduction of Area val1
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Yield Strength, Rp0.2 60.2 ksi view details
Tensile Strength 84.8 ksi view details
Elongation, A 15 % 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
0.50 – 0.90
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

A356/A356M: 2021 / Steel Castings, Carbon, Low Alloy, and Stainless Steel, Heavy-Walled for Steam Turbines

Heat Treatments

  • <b>Heat treatment for mechanical properties:</b><br /><b>Normalizing:</b> The castings shall be heated to and held at the proper temperature for a sufficient time to effect the desired transformation and withdrawn from the furnace and allowed to cool to effect complete transformation.</b><br /><b>Tempering:</b> The casting shall be heated to and held at the proper temperature, which shall be below the transformation range, and then cooled under suitable conditions. The tempering temperature shall not be less than 595°C (1100°F).</b><br /><b>Stress relieving:</b> The stress relieving operation shall be carried out in the same manner as tempering. The temperature shall be within 28°C (50°F), but not exceeding the final tempering temperature.</b><br /><b>Minimum preheat temperature:</b> 150°C (300°F) for t > 13 mm, 10°C (50°F) for t ≤ 13 mm.