EN 35S20 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2024-12
Total number of updates: 4
Update History
2018-10 2018-09 2017-07

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EN 35S20 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.32 – 0.39
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.70 – 1.10
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.06
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

EN 10277-3: 2008 / Bright steel products - Technical delivery conditions - Part 3: Free-cutting steels

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EN 35S20 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 428 properties — only a subset is shown here.

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EN 35S20 Heat Treatments

  • Quenching: 860-890°C (0.5h minimum), water or oil cooling;
    Tempering: 540-680°C (1h minimum).
  • Quenching: 860-890°C (time for austenitizing as a guide: 0.5h minimum); Medium: water or oil;
    Tempering: 540-680°C (time for tempering as a guide: 1h minimum);
    The temperature are for guidance, but the actual temperatures chosen shall be those that will give the properties required.

EN 35S20 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
500 — 900 MPa
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Elongation, A
6 %
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Brinell Hardness (HB)
149 — 210
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Grain Size
val1
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  • 117 Cross References

  • 26 Composition
  • 193 Mechanical Properties
  • 3 Physical Properties
  • 2 Heat Treatment
  • - Metallography
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  • - Fatigue
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  • 22 Dimensions
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