Dec 17 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications
Introduction
Super alloys or high performance alloys come in a variety of forms and contain different combinations of elements to obtain a specific result.
Super Alloy 353 MATM is a high temperature alloy consisting of mainly Nickel, Chrome and Silicon and is used in a variety of applications containing oxidizing or carburizing atmospheres.
The following datasheet provides an overview of super alloy 353 MATM.
Chemical Composition
The chemical composition of super alloy 353 MA™ is outlined in the following table.
| Element |
Content (%) |
| Iron, Fe |
36.6 |
| Nickel, Ni |
35 |
| Chromium, Cr |
25 |
| Silicon, Si |
1.60 |
| Manganese, Mn |
1.50 |
| Nitrogen, N |
0.16 |
| Carbon, C |
0.050 |
| Cerium, Ce |
0.050 |
| Phosphorous, P |
≤ 0.040 |
| Sulfur, S |
≤ 0.015 |
Physical Properties
The following table shows the physical properties of super alloy 353 MA™.
| Properties |
Metric |
Imperial |
| Density |
7.90 g/cm3 |
0.285 lb/in3 |
Mechanical Properties
The mechanical properties of super alloy 353 MA™ are displayed in the following table.
| Properties |
Metric |
Imperial |
| Tensile strength |
650-750 MPa |
94300-109000 psi |
| Yield strength (@strain 0.200%) |
≥ 270 MPa |
≥ 39200 psi |
| Elastic modulus |
190 GPa |
27600 ksi |
| Elongation at break (in 50 mm) |
≥ 40.0% |
≥ 40.0% |
| Hardness, Vickers |
160 |
160 |
Thermal Properties
The thermal properties of super alloy 353 MA™ are given in the following table.
| Properties |
Metric |
Imperial |
| Thermal expansion co-efficient (@30-200°C/86-392°F) |
15.5 µm/m°C |
8.61 µin/in°F |
| Thermal conductivity (@20°C/68°F) |
11.0 W/mK |
76.3 BTU in/hr.ft².°F |
Applications
Super alloy 353 MA™ is used in applications containing carburizing or oxidizing atmospheres.