

Maintenance and revitalization services with ALT quality in the metro segment. In addition to the development, nationalization, and manufacturing of parts. Compressor D4, Brake Disc, Brake Hub, Resilient Coupling Hub, Tubular Shaft, Escalator, Winch, Bearing, Shoes, among others.




Development of parts, nationalization, repair services, mechanics, revitalization and maintenance of the railway segment. Development of AAR Type Couplings, Series 400, 500 and 1000, 1000 Series Connecting Bar, Shock Apparatus, Counter Shoe, Manual Clearance Adjuster, among others.
We manufacture items for the petroleum industry such as Solid Plugs, Tangential and Rectangular Corrosion Coupons, Hollow Plugs, Coupon Rods, Clamps, Piping, among others.
Nationalization and development of parts for light rail vehicles - Railway / Rio Metro / Supervia such as brake shoes and others. ALT specializes in the nationalization of parts. Projects carried out with safety and quality.
Parts for use in corrosion monitoring. Control and manage corrosive processes. Parts such as: Solid plug, Hydraulic solid plug, Hydraulic hollow plug, Support rod for rectangular and tangential coupons, Hydraulic plug, Shaft translation, Shaft rotation and much more.




We supply castings in aluminum, gray cast iron, nodular cast iron, cast steel, forged steel, and much more!


Project Development.
• Finite Element Analysis (FEA) of projects; • Development of Engineering Processes - Drawings and Procedures;
• Development of Procedures - WPSs, Assembly and FAT;
• Engineering Solutions;
• Customizations; • Product Nationalization;
• Reverse Engineering.


RAILWAY SEGMENT
METRO SEGMENT
OIL SEGMENT
LIGHT RAIL VEHICLE
CORROSION MONITORING
CAST PARTS
PROJECT DEVELOPMENT