SAE Marage 250 Structural and constructional steels

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

Data updates

Latest Update: 2021-07
Total number of updates: 8
Update History

This material has 458 properties — only a subset is shown here.

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SAE Marage 250 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.05 – 0.15
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.03
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
7.00 – 8.50
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

SAE AMS 6512J: 2022 / Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Forging Stock 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed

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SAE Marage 250 Physical Properties

Temperature

PROPERTY / VALUE
Compression Modulus
194 — 203 GPa
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Modulus of Elasticity
174.9 — 210 GPa
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Thermal Conductivity
val1
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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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Shear Modulus
val1
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GPa
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 458 properties — only a subset is shown here.

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SAE Marage 250 Heat Treatments

  • Annealed by heating to a temperature within the range 816 to 927°C (1500 to 1700°F), holding at the selected temperature within ± 14°C (± 25°F) for a minimum of 1h and cooling to room temperature in air or other atmosphere at a rate equivalent to an air cool or faster.
    Specimens are being maraged by heating to 482 ± 6°C (900 ± 10°F), holding at heat for 4 to 6 hours and cooling to room temperature.
  • The product shall be solution heat treated by heating in air to 1500°F ± 25 (816°C ± 14), holding at heat for a time commensurate with the thickness and the heating procedure, and cooling in air. Continuously-rolled product may be solution heat treated at temperatures higher than 1500°F (816°C) provided the product is re-solution heat treated at 1500°F ± 25 (816°C ± 14).
    After Maraging: Product shall have the following properties after being maraged by heating to 900°F ± 10 (482°C ± 6), holding at heat for 3 to 5 hours, and cooling in air.

SAE Marage 250 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1103 MPa
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Elongation, A
≥ 1 %
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Compression Yield Strength
val1
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MPa
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
≥ 1654.7 MPa
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SAE Marage 250 International Equivalent Materials

Showing 15 of 94 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
K92890
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
S 162A
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
18Ni(250)
STANDARD
Generic
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
A 579 Grade 72 Class 1720 (250)
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
A 646 Grade Marage 250
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
BÖHLER V721 VMR
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
K92940
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
A 646 Grade 19
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
S 162C
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
S 162B
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
S 162D
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
VBC Alloy 9250
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
MARVAL18
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
MARVALM1
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
ATI Vascomax C-250
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit

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

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  • 94Cross References
  • 22Composition
  • 68Mechanical Properties
  • 78Physical Properties
  • 3Heat Treatment
  • 1Metallography
  • -Machinability
  • 32Stress-Strain
  • -Formability
  • 3Fatigue
  • 5Fracture
  • -Creep
  • 1Joints
  • -Coatings
  • 74Dimensions
  • -Tribology
  • -Corrosion
  • 2Ageing
  • -Weatherability
  • -Irradiation
  • 75Total Suppliers