DIN 1.7703 Structural and constructional steels

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

Data updates

Latest Update: 2022-08
Total number of updates: 3
Update History
2021-09 2017-09

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DIN 1.7703 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Al total; Shall be determined and given in the inspection document.
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
≤ 0.002
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.11 – 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Ca
VALUE
val1
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UNIT
%
CAS NUMBER
7440-70-2
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Cu+6Sn
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
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 10028-2: 2017 / Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties

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DIN 1.7703 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 315 properties — only a subset is shown here.

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DIN 1.7703 Heat Treatments

  • Normalizing at 930-990°C; Austenitizing at 930-990°C; Tempering at 675-750°C; Stress-relieving for 1h at 695°C and for 2h at 685°C

DIN 1.7703 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
415 MPa
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Tensile Strength
580 — 780 MPa
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Elongation, A
18 %
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Impact Energy
val1
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J
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  • 68 Cross References
  • 17 Composition
  • 42 Mechanical Properties
  • 3 Physical Properties
  • 1 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • 1 Creep
  • 4 Joints
  • - Coatings
  • 136 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
  • 43 Total Suppliers