ASTM A 538 Grade C MAR -18-300 Structural and constructional steels

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

Data updates

Latest Update: -
Total number of updates: 0

This material has 70 properties — only a subset is shown here.

Unlock full material properties, including detailed values across temperatures and conditions.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

ASTM A 538 Grade C MAR -18-300 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.0500 – 0.1500
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.0300
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
8.0000 – 9.5000
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Mn
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-32-6

A538/A538M: 1982 / Pressure Vessel Plates, Alloy Steel, Precipitation Hardening (Maraging), 18 Percent Nickel

Looking for full material performance data?

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

ASTM A 538 Grade C MAR -18-300 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
Unlock full details
Full data available with free access View Complete Material Data
Density
7.67 — 7.86 kg/dm³
Unlock full details
Full data available with free access View Complete Material Data
Poisson Coefficient
0.27 — 0.3
Unlock full details
Full data available with free access View Complete Material Data

This material has 70 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

ASTM A 538 Grade C MAR -18-300 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1930 MPa
Unlock full details
Full data available with free access View Complete Material Data
Elongation, A
≥ 6 %
Unlock full details
Full data available with free access View Complete Material Data
Rockwell Hardness (HR)
val1
Full data available with free access View Complete Material Data
Unlock full details
Full data available with free access View Complete Material Data
Yield Strength, Rp0.2
1900 — 2100 MPa
Unlock full details
Full data available with free access View Complete Material Data

Need complete mechanical properties to make the right choice?

Get complete data on strength, hardness, fatigue, and more.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

Book A Demo

ASTM A 538 Grade C MAR -18-300 International Equivalent Materials


Showing 7 of 12 results.

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

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

Need the full list of 12 international equivalents?

See all 12 equivalent grades with detailed mapping by standard, producer and equivalence category.

View All Equivalents ›
Free registration required • Instant access

Free registration required • Instant access

Book A Demo

Optimize material selection for your application - Book A Demo

  • 12Cross References

  • 10Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • 34Dimensions
  • -Tribology

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

  • 4Total Suppliers