PROPRIETARY Armco Pure Iron Grade 2 Magnetic and electrical materials

Material group: Ferrous Alloys / Magnetic and electrical materials

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2021-07

Total number of updates: 2

Update History

2016-05

This material has 55 properties — only a subset is shown here.

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PROPRIETARY Armco Pure Iron Grade 2 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.010

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

≤ 0.005

UNIT

CAS NUMBER

7440-48-4

CRITERIA

VALUE

≤ 0.030

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7727-37-9; 17778-88-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-31-5

Cleveland-Cliffs, Product Data Sheets,

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PROPRIETARY Armco Pure Iron Grade 2 Physical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Electrical Resistivity

0.096 Ω∙mm²/m

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Density

val1 kg/dm³

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Electrical Conductivity

val1 S/m

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Heat Capacity

val1 J/(kg∙°C)

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Melting Temperature

val1 °C

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Thermal Conductivity

val1 W/(m∙°C)

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Poisson Coefficient

val1

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This material has 55 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

PROPRIETARY Armco Pure Iron Grade 2 Heat Treatments

Stress-relief anneal: heating: 2-4°C (4-7°F) per minute, hold temperature: 700°C (± 20°C) / 1292°F (± 36°F), hold time: minimum of 60 minutes with an additional 15 minutes per each 5 mm (0.2 in.) thickness over 25 mm (1.0 in.), cooling: 2–4°C (4–7°F) per minute until the change temperature is below 550 – 600°C (932 – 1112°F). The parts should remain in a protected atmosphere until the temperature of the parts is below 300°C (572°F).
Recrystallization anneal or magnetic anneal:heating: 2–4°C (4–7°F) per minute, hold temperature: 820°C (± 20°C) / 1508°F (± 36°F), hold time: minimum of 60 minutes with an additional 15 minutes per each 5 mm (0.2 in.) thickness over 25 mm (1.0 in.), cooling: 2 – 4 °C (4 – 7 °F) per minute until the change temperature is below 550–600°C (932–1112°F). The parts should remain in a protected atmosphere until the temperature of the parts is below 300°C (572°F).
Normalization anneal: heating: 2–4°C (4–7°F) per minute, hold temperature: 950°C (+ 20°C / – 10°C) / 1742°F (+36°F / -18°F), hold time: minimum of 90 minutes with an additional 15 minutes per each 5 mm (0.2 in.) thickness over 25 mm (1.0 in.), cooling: 2–4°C (4–7°F) per minute until the change temperature is below 550–600°C (932–1112°F). The parts should remain in a protected atmosphere until the temperature of the parts is below 300°C (572°F).

PROPRIETARY Armco Pure Iron Grade 2 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

276 — 290 MPa

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Brinell Hardness (HB)

73 — 83

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Elongation, A

38 — 40 %

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

val1 MPa

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-Cross References

9Composition
10Mechanical Properties
30Physical Properties
1Heat Treatment
-Metallography
-Machinability

2Stress-Strain
-Formability
-Fatigue
-Fracture
-Creep

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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