Specialty steel grating manufacturer - gold mesh Hebei Airlines Co. ◆ Steel Grating design requirements 1, according to the conditions (carrying value and the installation span), from the "safe load carrying and span and deflection relationship table" Steel Grating model chosen. 2, layout design: a, according to the nominal width of the table preferred the original board width, supply galvanized grating rain grate, insufficient raw sheet width, the choice of the number of flats corresponding nominal width value b, steel grating load flat direction two end of the support frame supporting the length of each side of not less than 25mm c, row plate gap: between steel grating 5-10mm, between steel grating and adjacent structures 10mm d, steel grating platform (walkway) on the minimum width 300mm ◆ surface treated steel grating 1, hot-dip galvanizing: hot-dip galvanizing process usually after edging completion, when the load flat steel thickness of not less than 5mm, galvanized zinc coating after the average weight of not less than 610 g / square meter; when the load flat steel thickness of less than 5mm, galvanized grating, galvanized zinc coating after the average weight of not less than 460 g / square meter, after galvanizing quality and requirements should be consistent with GB / T13912 requirements. 2, painting: According to the special requirements of users spraying, brushing or dipping. Air Products Co., Ltd. Hebei gold mesh can produce a variety of specifications, sizes, shapes, steel grating, please contact us. Gold mesh Hebei Airlines Co., Ltd. is a production, sale and installation of large steel grating enterprises, welcome new and old customers to inquire. Galvanized mesh grid common specifications: a common type platform channel and stepping: G203 / 30/100 G204 / 30/100 G205 / 30/100 G255 / 30/100 G253 / 40/100 G255 / 40/100 two commonly used type of construction and residential trench cover; G305 / 30/100 G325 / 30/100 G323 / 30/100 G403 / 30/100 404/30/100 405/30/100 three large building bridges and heavy dock port steel grating; G505 / 30/100 G505 / 30/50 G505 / 40/50 G605 / 30/100 G605 / 40/50 G655 / 30/100 G705 / 30/100 G708 / 30/100 IV household type ceiling plug composite steel grid plate; G323 / 50/50 G325 / 50/50 G323 / 40/40 G325 / 40/40 V, lightweight protective fence; G253 / 80/80 G303 / 80/80 G323 / 80/80 G253 / 100 / 100 G303 / 100/100 G323 / 100/100 hot-dip galvanized steel grating grating _ _ Suppliers Hebei sewage treatment plant supplied by Air Products Co., Ltd. gold mesh grille with galvanized plate. Hot dip galvanized steel grating grating _ _ supplier sewage treatment plant with a galvanized grill plate is gold mesh Hebei Airlines Co., Ltd. (www.hbhangjin.com) this year introduced a new upgrade, the above picture is for reference Please call the telephone or pictures on this page, for the latest information, contact: Michelle bow.