ASME SA-487 Grade 17 Class A Cast steels

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

Data updates

Latest Update: 2026-03
Total number of updates: 2
Update History
2023-12

This material has 89 properties — only a subset is shown here.

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ASME SA-487 Grade 17 Class A Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.05 – 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.35 – 1.60
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.20
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
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

ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications, American Society of Mechanical Engineers, 2025

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ASME SA-487 Grade 17 Class A Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
191 GPa
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 89 properties — only a subset is shown here.

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ASME SA-487 Grade 17 Class A Heat Treatments


  • Castings shall be heat treated as follows:
    Double austenitized at 865°C (1590°F), liquid quenched below 260°C (500°F) and intermediate and final tempered at 590°C (1095°F) minimum. Preliminary heat treatment prior to final heat treatment as well as multiple tempering is permitted. Heat treatment shall be performed after the castings have been allowed to cool below the transformation range.

ASME SA-487 Grade 17 Class A Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 705 MPa
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Elongation, A
≥ 15 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References

  • 10Composition
  • 24Mechanical Properties
  • 50Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 4Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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