DIN 1.1138 Cast steels

Material group: Ferrous Alloys / Cast steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2021-10
Total number of updates: 6
Update History
2020-06 2018-12 2017-01 2016-02 2014-06

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DIN 1.1138 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.10 – 1.30
UNIT
%
CAS NUMBER
7439-96-5
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

SEW 685: 2019 / Cryogenic steel casting/steel castings having high impact strength at low temperatures - Technical delivery conditions

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DIN 1.1138 Physical Properties


Temperature

PROPERTY / VALUE
Density
7.85 kg/dm³
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DIN 1.1138 Heat Treatments

  • (+N): Austenitized or solutionized at 900-940°C, cooled in air, water or polymer.
    (+QT): Austenitized or solutionized at 900-940°C, cooled in air, water or polymer. Annealed at 620-660°C
  • Hardened: 900 to 940°C, after reaching the temperature in total cross-sectional area, liquid cooling; Tempered: 620 to 660°C, 3 min/mm wall thickness, but not less than 1h holding time, cooling in the furnace or in still air; Stress relieved: 600 to 640°C, but at least 20°C below the tempering temperature, 3 min/mm wall thickness, but not less than 1h holding time, cooling in the furnace or in still air.

DIN 1.1138 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
300 MPa
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Tensile Strength
480 — 620 MPa
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Elongation, A
20 %
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Reduction of Area
val1
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%
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Impact Energy
val1
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J
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  • 12 Composition
  • 22 Mechanical Properties
  • 7 Physical Properties
  • 2 Heat Treatment
  • - Metallography
  • - Machinability

  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep

  • - Joints
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  • - Corrosion
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