DIN 1.8821 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2020-02
Total number of updates: 4
Update History
2019-04 2017-09 2016-03

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DIN 1.8821 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.0200
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.1400
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
CEV
VALUE
≤ 0.3900
UNIT
%
CAS NUMBER
CRITERIA
Cr+Cu+Mo
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Nb+Ti+V
VALUE
val1
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UNIT
%
CAS NUMBER
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

EN 10028-5: 2017 / Flat products made of steels for pressure purposes - Part 5: Weldable fine grain steels, thermomechanically rolled

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DIN 1.8821 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 493 properties — only a subset is shown here.

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DIN 1.8821 Heat Treatments

  • Stress relief annealed at 530-580°C, cooled in still air. The holding period is a total of 150 minutes (even with multiple anneals). For a holding time of more than 90 minutes, the lower limit of the temperature range should be aimed for.
    Heating to temperatures above the stress relieving temperature of 580°C may affect the strength properties.

DIN 1.8821 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
305 MPa
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Tensile Strength
390 — 610 MPa
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Elongation, A
22 %
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Impact Energy
val1
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J
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  • 183 Cross References
  • 28 Composition
  • 19 Mechanical Properties
  • 3 Physical Properties
  • 1 Heat Treatment
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