... 3)Temper:O H22 H24 H16 H18,etc aluminum and aluminum alloy steel sheet 5000 series Tianjin A Large ... High-Pressure Alloy Pipe Sales Ltd.Commodityaluminum and aluminum alloy steel sheet 5000 series Thickness8mm- ... 7075, 8011.Surface Treatmentpolishing, oiled (rust-prevented), zinc-plated, nickel-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coating, etc. ...