Class 4.8 (International / ISO) Material Properties

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

Data updates

Latest Update: 2025-04
Total number of updates: 5
Update History:
2022-08 2021-01 2020-08 2013-10

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 420 MPa view details
Elongation, A 0.2 % view details
Brinell Hardness (HB) 124 — 209 view details
Rockwell Hardness (HR) val1
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view details
Vickers Hardness (HV) val1
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view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 420 MPa view details
Elongation, A 0.2 % view details
Brinell Hardness (HB) 124 — 209 view details
Rockwell Hardness (HR) val1
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view details
Vickers Hardness (HV) val1
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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
B
VALUE
≤ 0.005
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
≤ 0.55
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
P
VALUE
≤ 0.050
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9

ISO 898-1: 2013 / Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread

Heat Treatments

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