Features: 1) Square steel: 202-1002 2) Steel mark includes: SUS201, SUS202, SUS301, SUS302, Features: 1) Square steel: 202-1002 2) Steel mark includes: SUS201, SUS202, SUS301, SUS302, SUS303, SUS304, SUS304L, SUS316, SUS316L, SUS321, SUS410, SUS430 Stainless Steel Square Pipes