ASTM A 848 Magnetic and electrical materials

Material group: Ferrous Alloys / Magnetic and electrical materials
Country / Standard: United States / ASTM

Data updates

Latest Update: 2022-05
Total number of updates: 3
Update History
2017-06 2016-11

This material has 59 properties — only a subset is shown here.

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ASTM A 848 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.020
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

A848: 2017 / Standard Specification for Low-Carbon Magnetic Iron

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ASTM A 848 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.13 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
73 — 73.2 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 59 properties — only a subset is shown here.

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ASTM A 848 Heat Treatments


  • “Relay condition” is specified, the test specimen shall be heat treated in a dry forming gas atmosphere (5 to 15 % hydrogen in nitrogen with a dew point less than -40°C (–40°F)) at a temperature of 845°C (1550°F) for one hour at temperature and cooled at a rate from 55 to 100°C per hour (99 to 180°F per hour) to 500°C (930°F) and cooled at any rate thereafter.
    The magnetic behavior of parts can be stabilized by heating to 175 to 260°C (347 to 500°F) for several hours to cause over aging.

ASTM A 848 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
310 — 450 MPa
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Elongation, A
15 — 47 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
250 — 380 MPa
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ASTM A 848 International Equivalent Materials


Showing 2 of 5 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official

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  • 5Cross References

  • 11Composition
  • 12Mechanical Properties
  • 20Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 3Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 3Dimensions
  • -Tribology

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

  • 4Total Suppliers