DIN 1.7335 Structural and constructional steels

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

Data updates

Latest Update: 2024-08
Total number of updates: 15
Update History

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DIN 1.7335 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
The Al content of the cast shall be determined and given in the inspection document.
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.08 – 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.70 – 1.15
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
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
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

EN 10273: 2016 / Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

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DIN 1.7335 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Dynamic Modulus of Elasticity
val1
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GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Thermal Conductivity
38 — 45.9 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.15 — 0.227 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 1366 properties — only a subset is shown here.

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DIN 1.7335 Heat Treatments

  • Normalized and tempered (+NT): 890-950°C, cooled in air. Tempered at 630-740°C, cooled in air or furnace.
    Normalized and tempered (+NT) or Quenched and tempered (+QT): 890-950°C, cooled in air, oil, polymer or water. Tempered at 630-740°C, cooled in air or furnace.
  • Austenitized: 890 - 950°C; Tempered: 630 - 730°C.

DIN 1.7335 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
240 MPa
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Tensile Strength
420 — 600 MPa
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Elongation, A
18 %
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Impact Energy
val1
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J
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  • 251 Cross References
  • 94 Composition
  • 396 Mechanical Properties
  • 67 Physical Properties
  • 12 Heat Treatment
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