Materials MatWeb Material Property Info Aluminum Aluminum 6061 T651 Aluminum 7075 Stainless Steel Stainless Steel A2-70 (SAE 304) Stainless Steel A4-70 (SAE 316) (0.08 carbon) Stainless Steel A4-70 Low Carbon (SAE 316L) (0.03 carbon) Plastics Natureworks Ingeo 3D870 Biopolymer