Alloy 52 Round Bar | Rod

Ed Fagan Inc. is the leading supplier of the controlled expansion alloy, Alloy 52.  Available from stock in the forms of round bar and rod, this alloy is also referenced under their trademark names of Pernifer® 50 and CarTech® Glass Sealing 52 Alloy.


To meet customer needs, our inventory contains a large assortment of high-quality round bar in diameters ranging in size from 0.0395″ to 0.500″.  All materials are certified to ASTM standards.  Please refer to the table below for the sizes of round bar we stock.


Alloy 52 stock items are ready-to-ship within 24-hours of your order confirmation. Additional capabilities include our skilled in-house team who provide our customers with services that include water jet cutting, slitting, centerless grinding etc. should you require your materials to size.


With a chemical composition comprised of 50.5% nominal Nickel and the remainder Iron, the properties of this alloy have been beneficial This alloy is employed in structural components for measurement in which variation in expansion due to temperature changes would negatively impact the accuracy of the component. All Ed Fagan Inc. materials are certified to meet ASTM standards.


Call us today at 800-348-6268 and speak with one of our material experts.  Our team will happily furnish you with all the information you need to select the optimal material for your project.

Below please find a sampling of our standard stock items. Our inventory fluctuates based on market demands. If you do not see the size or form you require, we ask that you call us for current product availability.
Alloy 52 Round Bar | Rod DiameterSKU NumberAlloy 52 Round Bar | Rod DiameterSKU Number
0.0395” Alloy 52 Round Bar | Rod52NI-RD-03950.0937” Alloy 52 Round Bar | Rod52NI-RD-0937
0.040” Alloy 52 Round Bar | Rod52NI-RD-0400.100” Alloy 52 Round Bar | Rod52NI-RD-100
0.058” Alloy 52 Round Bar | Rod52NI-RD-0580.125” Alloy 52 Round Bar | Rod52NI-RD-125
0.060” Alloy 52 Round Bar | Rod52NI-RD-0600.156” Alloy 52 Round Bar | Rod52NI-RD-156
0.062” Alloy 52 Round Bar | Rod52NI-RD-0620.250” Alloy 52 Round Bar | Rod52NI-RD-250
0.066” Alloy 52 Round Bar | Rod52NI-RD-0660.312” Alloy 52 Round Bar | Rod52NI-RD-312
0.0781” Alloy 52 Round Bar | Rod52NI-RD-07810.375” Alloy 52 Round Bar | Rod52NI-RD-375
0.093” Alloy 52 Round Bar | Rod52NI-RD-0930.500” Alloy 52 Round Bar | Rod52NI-RD-500

For an Alloy 52 data sheet, or any other Controlled Expansion Alloy data sheets, please go to our Alloys and Metals Literature Library section.