DIN 3.7105 Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys
Country / Standard: Germany / DIN

Data updates

Latest Update: 2026-05
Total number of updates: 8
Update History

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DIN 3.7105 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.0600
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Fe
VALUE
≤ 0.2500
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
H
VALUE
≤ 0.0130
UNIT
%
CAS NUMBER
1333-74-0
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
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
O
VALUE
val1
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UNIT
%
CAS NUMBER
7782-44-7; 17778-80-2
CRITERIA
Other each
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

DIN 17861: 1990 / Seamless circular titanium and titanium alloy tubes; technical delivery conditions

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DIN 3.7105 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
80 — 130 GPa
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Electrical Resistivity
0.52 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Service Temperature
val1
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°C
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Thermal Conductivity
19 W/(m∙°C)
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This material has 165 properties — only a subset is shown here.

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DIN 3.7105 Heat Treatments


  • Heat treatment is usually carried out in an oxidic atmosphere in electrical or gas-heated ovens, either using an inert gas or vacuum.
    Annealing shall be carried out at temperatures between 650°C and 750°C.
    The holding time is 3 min per mm of product thickness but at least 15 min while cooling down in air.
    For high degrees of forming or large dimensions, a different holding time can be practical for annealing.
    Stress relief heat treatment shall be carried out at 450°C to 600°C. The holding time is at least 30 min while cooling down in air.
  • Soft annealing is to be carried out at temperatures between 650°C and 750°C. The holding time is 3 min/mm thickness of the product, minimum 15 min air cooling.
    Stress relief annealing is to be carried out at temperatures from 450°C to 600°C. The holding time is minimum 30 minutes, air cooling.

DIN 3.7105 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 480 MPa
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Brinell Hardness (HB)
val1
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Elongation, A
val1
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%
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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Yield Strength, Rp1
val1
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MPa
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DIN 3.7105 International Equivalent Materials


Showing 3 of 4 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Identical
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
VdTÜV
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Identical

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 4Cross References

  • 30Composition
  • 86Mechanical Properties
  • 13Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability

  • 7Stress-Strain
  • 1Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 17Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 4Total Suppliers