Welded Galvanized Heavy Duty Press Locked  Serrated Tooth Type I  Bar Steel Grating

          Welded Galvanized Heavy Duty Press Locked  Serrated I  Bar Steel GratingPress-locked steel bar grating made by fixed size flat steel through slotted, pressure lock plug, finish, etc process. At the intersection point of flat steel and horizontal pole, press horizontal pole into loading flat steel, then fixed it. Sometimes the horizontal pole also used flat steel. The grating is widely used for floor, catwalk, Mezzanines/decking, stair tread, fencing; vault bin floor floor, ramp, dock/warehouse, all kinds of trench cover, window and machinery safe guards, wash rack, ventilation screen, storage rack, suspended ceiling, drainage pit cover and etc.Technical Data TableMaterial1.Carbon Steel Q235            2.Stainless Steel 304 / 316TypePress lokced / Flat bar / Serrated bar / I Bar Bearing Bar Size20 x 3 to 100 x 9;the specification of "I-section" is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etcBearing Bar Pitch12.5 to 100 mm etc, 30, 40, 60mm are recommended, America standard is availableCross Bar Pitchfrom18.5 to 101.6mm etc, 50, 100mm are recommended, America standard is availableSpecificationSize of bearing flat steel: 25x3mm / the center space: 30mm, 40mm, 50mm, 100mmSize of horizontal pole: 10x2mm / the center space : 50mm, 100mmSurface TreatmentUntreated / Painting / Hot Dip GalvanizingSteel StandardChina GB700-88 / America ASTM (A36) / Britain ASTM (A36)HDG  StandardChina GB/T13912-92 / America ASTM (A123) / Britain BS729Quality StandardChina YB/T4001-1998         America ANSI/NAAMM (MBG531-88)Britain BS4592-1987          Australia AS1657-1992 Welding Mould ListZhongzheng Welding Mould ListNo.Bearing Bar Pitch(mm)Standard Panel Width(Bearing Bar Thickness 5mm)Bearing Bar Number(PC)Remark112.5100581Pitch between the two sides are smaller than normal bearing bar pitch.215101068 320101051 42299546 523.85100743 625100541 73099534 830.16100034 930.3100534 1032.5101332 1134.3100030 1235102030 1335.3102930 1440100526 1541103026 1641.499925 1750100521 186096517 196299717 Packaging Method and ProcessHow to produce steel grating? Please reference our production line as below.How to place an order with us? Kindly please reference our order procedure as below, any of your questions or requirements can get our prompt response.Company ProfileNingbo Zhongzheng steel grating Co. Ltd. is a professional enterprise in R & D., design, steel grating, SMC grating field. With innovative and pragmatic, scientific developing philosophy, following the criterion of ISO9001, it provides steel grating, stair tread, compound steel grating, fiberglass grating, drainage pit/trench cover, railing & stanchion, etc. It products are widely used in petroleum, chemical industry, environmental protection, power plants, pharmaceutical, printing and dyeing, brewing water supply and drainage, transportation and other industries.With its ten years of professional management experience and production in press welding steel grating, it is one of the few enterprises who have the technology of flat steel and galvanized steel grating in the industry. The plentiful resources, skilled team, and high level of management, make it be the fastest developed, most potential grating products supplier. Ningbo Zhongzheng steel grating Co., Ltd strictly followed the brand management of "quality making value, innovation leading the future", to provide clients high quality assurance, drawing, mechanics calculation, data collation service. With high-quality products and services combined, it has been well recognized by clients all over the world. The products have been exported to different countries and regions, such as South Korea, Singapore, Thailand, Australia, France, Kenya, etc.WEBSITE: cngrating.en.made-in-china.comContac Person: Sally Wu /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1