ASTM A 1048 Grade 315Ta Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: United States / ASTM

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ASTM A 1048 Grade 315Ta Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
≤ 0.0007
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.08 – 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
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
CRITERIA
Ta
VALUE
val1
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UNIT
%
CAS NUMBER
7440-25-7
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

A1048/A1048M: 2006 / Standard Specification for Pressure Vessel Forgings, Alloy Steel, Higher Strength Chromium-Molybdenum-Tungsten for Elevated Temperature Service

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ASTM A 1048 Grade 315Ta Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 23 properties — only a subset is shown here.

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ASTM A 1048 Grade 315Ta Heat Treatments

  • Heat treatment applied either after rough machining or directly after cooling from forging shall consist of normalizing and tempering as follows: normalize from 1065 to 1120°C (1950 to 2050°F) and temper at 700 to 760°C (1290 to 1400°F).

ASTM A 1048 Grade 315Ta Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
725 — 930 MPa
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Elongation, A
≥ 16 %
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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
≥ 585 MPa
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  • 1Cross References
  • 13Composition
  • 5Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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