CSN 16 221 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: Czech Republic / CSN

Data updates

Latest Update: 2017-09
Total number of updates: 2
Update History
2017-03

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CSN 16 221 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1800 – 0.2400
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.2500
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.7000 – 1.0000
UNIT
%
CAS NUMBER
7439-96-5
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

CSN 41 6221: 1979 / Nickel-Vanadium steel 16 221

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CSN 16 221 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
val1
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Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Thermal Conductivity
val1
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W/(m∙°C)
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Poisson Coefficient
val1
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This material has 8617 properties — only a subset is shown here.

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CSN 16 221 Heat Treatments

  • Forging at 1200 to 800°C;
    Normalizing at 880 to 900°C, cooling in air;
    Hardening at 860 to 900°C, cooling in oil;
    Tempering at 600 to 680, cooling in air;

CSN 16 221 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
590 — 790 MPa
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Brinell Hardness (HB)
176 — 239
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Elongation, A
≥ 17 %
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Impact Strength
val1
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kJ/m²
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References
  • 8Composition
  • 11Mechanical Properties
  • 20Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 2Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • 83Joints
  • -Coatings
  • -Dimensions
  • 1Tribology
  • 8491Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers