steel channel/Steel Channel Section with Hole/Standard Steel Channel Section 1) Material: steel and stainless steel (SUS304, SUS316)2) Surface treatment: ZP, HDG, paint3) Size: 41 x 41 x 2-3, 41 x 25 x 1.5-2, 35 x 41 x 1.5-2, 62 x 41 x 2-34) According to customers' drawings or samplesPacking:According tocustomers'requirements .