GB 1J80 Magnetic materials

Material group: Nonferrous Alloys / Magnetic materials
Country / Standard: China / GB

Data updates

Latest Update: 2026-02
Total number of updates: 4
Update History
2020-03 2018-05 2017-03

This material has 106 properties — only a subset is shown here.

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GB 1J80 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.03
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
2.60 – 3.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-50-8
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

GB/T 32286.1: 2015 / Soft magnetic alloys - Part 1: Nickel-iron alloys

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GB 1J80 Physical Properties


Temperature

PROPERTY / VALUE
Electrical Resistivity
0.62 Ω∙mm²/m
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Density
8.5 kg/dm³
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Electrical Conductivity
val1
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S/m
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Melting Temperature
330 °C
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This material has 106 properties — only a subset is shown here.

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GB 1J80 Heat Treatments


  • Heating at 1100-1150°C, holding 3-6h, cooling to 400-500°C with a rate below 200°C/h, then cooling to 200°C with a rate below 400°C/h.

  • Heating temperature: 1100 - 1150°C;
    Holding time: 3 - 6h;
    Cooling method: Cool at a rate not exceeding 200°C/h to 400 - 500°C, then cool at a rate not less than 400°C/h to below 200°C, then remove from furnace.

GB 1J80 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
560 — 930 MPa
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Brinell Hardness (HB)
130 — 240
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Elongation, A
4 — 40 %
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Yield Strength, Rp0.2
val1
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MPa
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GB 1J80 International Equivalent Materials


Showing 2 of 2 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Identical
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Identical

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  • 2Cross References

  • 27Composition
  • 16Mechanical Properties
  • 34Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • 25Dimensions
  • -Tribology

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

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