MA47P

Aerospace & Energy Materials Dept.

Material Characteristic

MA47P has outstanding oxidation resistance, and is the perfect material for customers experiencing problems of contamination that comes from scales from oxidation, and reactions from Chrome components and processed materials.
MA47P specializes in oxidation resistance, and is used for applications used in oxidizing atmospheres such as furnace containers, mesh belts, trays, and the heat furnace itself.

Nominal Chemical Composition

Ni Cr Al Si Mn
Bal. 2 4 1.5 0.5
wt%

Physical Properties

Specific gravity
( g/cm3 )
Melting range(℃) Thermal conductivity,
( W/m K )
Thermal expansion coefficient
( ×10-6/℃ )
8.29 Solidus 1,357
Liquidus 1,418
RT 18.4
1,000℃ 39.4
25-100℃ 11.61
25-200℃ 12.33
25-300℃ 12.76
25-400℃ 13.1
25-500℃ 13.27
25-600℃ 13.45
25-700℃ 13.74
25-800℃ 14.25
25-900℃ 14.68
25-1000℃ 15.07

Oxidation Resistance

Oxidation Resistance

Cyclic oxidation resistance of MA47P in air at 1150℃

Cyclic oxidation resistance of MA47P in air at 1150℃
  • Cycle condition : Holding at 1150℃ for 24h and cooling to room temperature