ST2000 Steel Cord Conveyor Belt

CBC India's ST2000 steel cord conveyor belt represents the current tensile ceiling of the DIN 22131 and ISO 283 ST-class framework — engineered for monumental overland conveying infrastructure where no lower grade delivers adequate safety factors at the operating tensions, speeds, and haul distances involved. The "2000" designation guarantees a minimum breaking strength of 2,000 Newtons per millimeter of belt width, specifying this belt for mega copper overland systems, phosphate mega-crusher circuits, and iron ore export terminals processing tens of millions of tonnes annually — installations where belt failure carries consequences measured in weeks of lost production and hundreds of millions in revenue.

Construction

The ST2000's tensile core is built on galvanized steel cords in 7×19 strand configuration, with individual cord diameters up to 5.6 mm nominal at a 12 ±1.5 mm pitch — accommodating up to 164 cords across a 2,000 mm belt width. Each cord delivers a minimum breaking force of approximately 26 kN, with deep rubber penetration during vulcanization achieving complete wire-level encapsulation across the full cord cross-section. This penetration quality is non-negotiable at the ST2000 tensile class: any unencapsulated wire surface becomes a corrosion initiation site that progresses to fatigue fracture under the sustained cyclic bending loads of multi-kilometer high-speed operation. Total belt thickness runs 36–42 mm with a reference mass of approximately 35 kg/m². Standard cover configurations begin at 4 mm top and bottom, customisable to 6–8 mm for severe duty profiles. Belt widths extend to 3,200 mm with roll lengths exceeding 900 m per section. Minimum pulley diameters are specified at 1,000 mm.

Top cover compounds are specified to DIN Grade Z as standard. Heat-resistant formulations are rated to 300°C for clinker and sintered ore applications. Flame-retardant and rip-stop variants comply with ISO 284 and EN 16974 for underground gold and potash mining installations. Transverse reinforcement fabrics are available for high-impact and rip-prone loading conditions.

Performance

Working elongation remains below 0.1% at rated tension — the tightest specification in CBC India's entire ST-class range — providing flawless belt alignment and tension distribution across single-flight spans exceeding 7 km. Operating tensions surpass 1,700 PIW at conveying speeds up to 9.0 m/s. Exceptional troughability delivers throughput increases exceeding 70% over stiffer constructions, while the advanced carcass geometry reduces drive power consumption by 40% against fabric ply alternatives. Impact tolerance extends to 600 mm lump material, including abrasive sintered ore at 200–400°C.

Installation and Maintenance

Multi-stage stepped hot-vulcanized splices with splice lengths exceeding 1,200 mm per DIN 22131 Part 3 restore 100% cord efficiency at every joint. In-service monitoring combines electromagnetic induction scanning, fibre-optic rip detection, and satellite-linked remote surveillance for continuous non-destructive cord integrity assessment across the full belt length. Digital twin platforms integrating self-tensioning system data, transverse reinforcement load monitoring, and real-time analytics eliminate unplanned downtime before fault conditions develop. ST2000 belts achieve a documented service life of 20–40 years across the world's highest-capacity bulk material handling infrastructure.

Technical specification of ST2000 Conveyor Belt

Standard Steel Cord Conveyor belt Range As per DIN 22131

Available Stocks of ST52000 conveyor belt