DIN 1.0978 Structural and constructional steels

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

Data updates

Latest Update: 2019-05
Total number of updates: 1
Update History

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DIN 1.0978 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 1.40
UNIT
%
CAS NUMBER
7439-96-5
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
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

SEW 092: 1990 / Hot-rolled fine grain steels for cold forming

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DIN 1.0978 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 539 properties — only a subset is shown here.

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DIN 1.0978 Heat Treatments

  • Stress relief annealing: Heated at 530-580°C, cooled in still air. The holding period is at least 30 minutes, but with multiple annealing, a total of at most 150 minutes. For a holding period of more than 90 minutes, the lower limit of the temperature range should be aimed for.

DIN 1.0978 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
380 MPa
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Tensile Strength
450 — 590 MPa
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Elongation, A
18 %
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  • 9 Composition
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  • 4 Physical Properties
  • 1 Heat Treatment
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