EFINEA is pleased to supply you with a summary of Alloy 52’s typical properties. The tables below include the average linear coefficient of thermal expansion, physical and mechanical properties, chemistry, and specifications for reference in evaluating Alloy 52 characteristics as an iron-nickel sealing alloy.
With more than a half century of expertise, EFINEA has gained the reputation as a trusted global supplier of special purpose metals and alloys. We stand behind the metals and alloys we sell by providing our customers with only quality materials, courteous and proficient customer service teams backed by our staff metallurgists and dependable, on-time shipping.
Call the EFINEA team at 800-348-6268 with any questions you may have relating to Alloy 52 and your next application.
To download the EFINEA Alloy 52 data sheet, or any of our other Controlled Expansion Alloys data sheets, please go to the Data Sheets section in our Technical Library.
Alloy 52 Average Linear Coefficient of Thermal Expansion µm/m • °C |
|||
|---|---|---|---|
| Temperature Range °C | UNS N14052 | Temperature Range °C | UNS N14052 |
| 30 to 300 | 10.1 | 30 to 600 | 10.8 |
| 30 to 400 | 9.9 | 30 to 700 | 11.7 |
| 30 to 450 | 9.7 to 10.2* | 30 to 800 | 12.5 |
| 30 to 500 | 9.9 | 30 to 900 | 13.3 |
| 30 to 550 | 10.0 to 10.5* | 30 to 1000 | 14.2 |
| Source: ASTM F30-96 (2017), Table X1.1; *ASTM F30-96, Table 2 | |||
To compare the linear coefficient of thermal expansion across our line of controlled expansion glass and sealing alloys, please refer to the Thermal Expansion Table.
Alloy 52 Typical Physical Properties | ||
|---|---|---|
| Density | lb/cu in | 0.30 |
| Specific Gravity | 8.3 | |
| Curie Temp | °F | 986 |
| °C | 530 | |
| Melting Point | °F | 2600 |
| °C | 1427 | |
| Electrical Resistivity | microhms-cm | 43 |
| Thermal Conductivity | W/cm °C | 18 |
| Specific Heat | Cal/g °C | 0.12 |
| Source: ASTM F30-96 (2017), Carpenter Controlled Expansion Alloys Brochure v. 12/99 p. 20-21 | ||
Alloy 52 Typical Mechanical Properties | ||
|---|---|---|
| Tensile Strength | ksi | 75 |
| MPa | 517 | |
| Yield Strength | ksi | 40 |
| MPa | 276 | |
| Elongation | % in 2 in. | 35 |
| Hardness | Rockwell | 80 |
| Modulus of Elasticity | ksi | 23 |
| MPa | 159 | |
| Strip as annealed. Source: Carpenter Controlled Expansion Alloys Brochure v. 12/99 p. .20-21 |
||
Alloy 52 Chemistry | |
|---|---|
| Nickel, nominal | 50.5 |
| Manganese, max | 0.60 |
| Silicon, max | 0.30 |
| Carbon, max | 0.05 |
| Chromium, max | 0.25 |
| Cobalt, max | * |
| Phosphorus, max | 0.025 |
| Sulfur, max | 0.025 |
| Aluminum, max | 0.10 |
| Iron | Remainder |
| Nickel contents listed are nominal. The nickel contents of the alloy shall be adjusted by the manufacturer so that the alloys meet the requirements for thermal expansion. Alloy 52 is specifically intended to match lead (Pb) sealing glasses. | |
| *Cobalt is present as an incidental element and shall be reported separately. | |
| Ref: ASTM F30 | |
Alloy 52 Specifications | |||
|---|---|---|---|
| ASTM F30 | MIL-1-23011 CL 2 | AMS 1-23011 CL 2 | UNS N14052 |
For additional information on specifications of the materials distributed by EFINEA, please visit the websites of the international organizations that develop and publish technical standards: ASTM International and ASM International.