PROPRIETARY DIMO 2738 XH Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: PROPRIETARY
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Data updates

Latest Update: 2017-09
Total number of updates: 1
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This material has 22 properties — only a subset is shown here.

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PROPRIETARY DIMO 2738 XH Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.3000 – 0.4000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.0000 – 1.4000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.4000 – 1.6000
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Dillinger Hütte Group, DataSheet,

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PROPRIETARY DIMO 2738 XH Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Thermal Conductivity
35.5 W/(m∙°C)
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Density
val1
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kg/dm³
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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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This material has 22 properties — only a subset is shown here.

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PROPRIETARY DIMO 2738 XH Heat Treatments

  • Soft annealing: 720 - 740 °C (1330 - 1360 °F), 2 - 4 h, furnace cooling hardness <= 230 HB. Stress relieving: in the delivery condition max. 580 °C (1080 °F) 1 - 2 h, furnace cooling. Preheating before hardening 450 - 650 °C (840 - 1200 °F). Hardening: 840 - 860 °C (1540 - 1580 °F)/oil; for low wall thicknesses air cooling or warm bath hardening at 200 - 230 °C (390 - 450 °F) are possible. Tempering: in accordance with tempering diagram to required hardness (min. 1 h/25 mm (1 in) wall thickness)

PROPRIETARY DIMO 2738 XH Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1015 — 1175 MPa
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Brinell Hardness (HB)
320 — 370
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  • -Cross References
  • 9Composition
  • 2Mechanical Properties
  • 9Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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