... steel machined part 1.material: Q235,20#steel,S/S 2.size: as your dwg 3.surface: anodizing, clear 4.qty: 1000pcs steel machined ... part1.material: Q235,20#steel,S/S 304, 4102.size: ... 1000pcs Key Specifications/Special Features:Materials: carbon steel, stainless steel, alloy steel and aluminum Standard: ASTM, JIS, BS, ... products each year. steel machined part