A 487 Grade CA6NM Class B (United States / ASTM) Material Properties

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

Data updates

Latest Update: 2020-09
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 690 MPa view details
Elongation, A 17 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) val1
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view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 100.1 ksi view details
Elongation, A 17 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) val1
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view details

Physical Properties

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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.5 – 14.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.50
UNIT
%
CAS NUMBER
7440-50-8
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
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
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
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

A487/A487M: 2024 / Standard Specification for Steel Castings Suitable for Pressure Service

Heat Treatments

  • Austenitizing temperature: 1010°C (1850°F) minimum; Air cooling or liquid quenching to below 95°C (200°F); Intermediate Tempering temperature: 665 - 690°C (1225 - 1275°F); Air cool to below 95°C (200°F) after first temper; Final Tempering temperature at 565 - 620°C (1050 - 1150°F).