ASTM B 338 Grade 18 Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys
Country / Standard: United States / ASTM

Data updates

Latest Update: 2013-12
Total number of updates: 1
Update History

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ASTM B 338 Grade 18 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
2.5 – 3.5
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Fe
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
H
VALUE
val1
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UNIT
%
CAS NUMBER
1333-74-0
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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
Pd
VALUE
val1
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UNIT
%
CAS NUMBER
7440-05-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

B338: 2017 / Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers

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ASTM B 338 Grade 18 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
80 — 130 GPa
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Electrical Resistivity
1.26 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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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
8.3 W/(m∙°C)
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This material has 4394 properties — only a subset is shown here.

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ASTM B 338 Grade 18 Heat Treatments


  • Annealed or the cold worked and stress relieved, at the option of the purchaser: Minimum temperature of 316°C (600°F) for not less than 30 min.

ASTM B 338 Grade 18 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 620 MPa
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Elongation, A
≥ 10 %
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Yield Strength, Rp0.2
≥ 483 MPa
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ASTM B 338 Grade 18 International Equivalent Materials


Showing 15 of 74 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Composition 100%
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%

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

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  • 74Cross References

  • 10Composition
  • 6Mechanical Properties
  • 11Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 2Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 2Dimensions
  • -Tribology

  • 4283Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 5Total Suppliers