F18 (International / ISO) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: International / ISO

Data updates

Latest Update: 2022-08
Total number of updates: 2
Update History:
2019-03

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 280 MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
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 490 — 610 MPa view details
Elongation, A 16 % view details
Yield Strength, Rp0.2 280 MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
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 490 — 610 MPa view details
Elongation, A 16 % view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cu
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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

ISO 2604-1: 1975 / Steel products for pressure purposes - Quality requirements - Part 1: Forgings

Heat Treatments

  • 1. Normalizing: 880-920°C, air cool;<br />2. Normalizing: 880-920°C, air cool; Tempering: 580-660°C, air or furnace cool;<br />3. Quenching: 880-920°C, oil or water cool; Tempering: 580-660°C, air or furnace cool.<br />Where the steel is to be used at elevated temperatures, the tempering temperature must not exceed 620°C and tempering times shall not exceed 3 h.