IS 4522 Grade 7 Type 2 (India / IS) Material Properties

Material group: Ferrous Alloys / Cast steels
Country/Standard: India / IS

Data updates

Latest Update: 2022-09
Total number of updates: 3
Update History:
2021-06 2019-10

Mechanical Properties

Temperature

0 - 30°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 510 — 540 MPa view details
Tensile Strength val1
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MPa view details
Elongation, A 7 — 10 % view details
Elongation, A val1
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% view details
Brinell Hardness (HB) 150 — 240 view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 74 — 78.3 ksi view details
Tensile Strength val1
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ksi view details
Elongation, A 7 — 10 % view details
Elongation, A val1
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% view details
Brinell Hardness (HB) 150 — 240 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 GPa view details
Density val1
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kg/dm³ view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 14.176 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.75 — 0.85 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Melting Temperature val1
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°C view details
Service Temperature val1
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°C view details
Modulus of Elasticity 27.6 E+03 ksi view details
Density val1
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lb/in³ view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 8.19 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 1.25 E-03 — 1.41 E-03 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details
Melting Temperature val1
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°F view details
Service Temperature val1
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°F view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.20 – 0.50
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
23.0 – 27.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
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

IS 4522: 1986 / Heat resistant alloy steel and nickel base castings

Heat Treatments

  • Annealed: 1050°C, 12h, furnace cooled.