If your material contains a significant percentage of these metals then it will have some degree of magnetism to it.
WarMag Self-Adhesive Rubber Steel Sheet Magnetically Receptive
M-D Building Products 57321 Decorative Magnetic
Alpine 19 in. Tall Outdoor Rustic Upside Down Umbrella Garden Stake and Planter
Types of Magnetic Sheet Metal - Alpine Sheet Metal Systems
Flexible Magnets: Properties, Types, Products, and Applications
Steel Plate Lifting Magnets - Magnetic Sheet Metal Lifting Device
Types of Magnetic Sheet Metal - Alpine Sheet Metal Systems
Magnets for the sheet metal industry
Magnetic Receptive Sheeting Arnold Magnetic Technologies
This metal sheet is easy to cut, form and fabricate. Perforated, decorative design is great for DIY projects such as a lamp shade, candle covers or an
M-D Building Products 1 ft. x 1 ft. Elliptical Aluminum Sheet 57541 - The Home Depot
Flexible Steel Vinyl Magnetically-Receptive Sheet
Everbilt #12 x 1 in. Phillips Flat Head Stainless Steel Sheet
Creating a Magnetic Board Using Carbon Steel Sheet – Wasatch Steel
Flexible Steel Vinyl Magnetically-Receptive Sheet
Add metallic accents to any project Paint or add fabric for decorative touch Expand your creativity with MD Building's decorative metal sheets Cuts
MD Building Products 57321 Decorative Magnetic Galvanized Steel Sheet