DIN 1.1127 Structural and constructional steels

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

Data updates

Latest Update: 2024-12
Total number of updates: 5
Update History
2018-09 2018-08 2016-02 2014-03

This material has 343 properties — only a subset is shown here.

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DIN 1.1127 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.34 – 0.42
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Mo+Ni
VALUE
≤ 0.63
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
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

EN 10297-1: 2003 / Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

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DIN 1.1127 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
46.7 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.223 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 343 properties — only a subset is shown here.

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DIN 1.1127 Heat Treatments

  • Annealed (+A): 650-700°C Normalized (+N): 850-880°C Austenitized: 820-850°C Tempered: 540-680°C
  • Hardening from hot forming temperature from 830 to 880°C, holding period at least 15 min., quenching in oil, max. 50°C; Tempering from 550-650°C, holding period at least 30 min. and cooling in air; Stress relieving: 500-600°C, min. distance to the annealing temperature 50°C, holding period of at least 30 min. and cooling in air.

DIN 1.1127 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
550 — 900 MPa
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Elongation, A
13 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 223
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Grain Size
val1
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  • 104 Cross References
  • 34 Composition
  • 53 Mechanical Properties
  • 52 Physical Properties
  • 7 Heat Treatment
  • 22 Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • 8 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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