Machine Stock
Industrial Stainless Steel Finned Tube Rolling Blade
Nexmek's Industrial Stainless Steel Finned Tube Rolling Blades are precision-engineered to meet the rigorous demands of processing high-strength alloys. Specifically designed for the cold-rolling and extrusion of stainless steel fins, these tools are built to withstand the significant work-hardening and thermal stresses inherent in manufacturing SS 304, 316, and duplex grade finned tubes.Our rolling blades utilize advanced vacuum-hardening technology and specialized surface treatments to minimize material adhesion and galling. This ensures that every fin produced maintains a sharp, consistent profile with superior surface integrity, maximizing the thermal contact efficiency between the fin and the base tube for critical heat transfer applications.
Precision Low-Fin Stainless Steel Rolling Blade
Nexmek's Precision Low-Fin Stainless Steel Rolling Blades are high-performance tooling components designed for the integral cold-rolling of fins directly from the base tube wall. This specialized process is essential for manufacturing high-efficiency, low-profile finned tubes where zero contact thermal resistance is required. By mechanically displacing the metal of the parent tube, these blades create a seamless metallurgical bond that ensures maximum heat transfer across the entire surface area.Engineered with ultra-precise profile geometry, our rolling blades are optimized for the work-hardening characteristics of 300-series stainless steel and duplex alloys. They allow for the consistent production of high-density fins—ranging from 19 to 40 FPI—providing a 2x to 3.5x increase in external surface area without compromising the pressure-bearing capacity of the original tube.
Heavy-Duty Rolling Blade for Duplex Stainless Steel
Nexmek's Heavy-Duty Rolling Blades for Duplex Stainless Steel are the industrial standard for processing high-strength, corrosion-resistant alloys. Engineered specifically for the extreme mechanical demands of Duplex (2205) and Super Duplex (2507) stainless steels, these blades feature a specialized metallurgical composition that resists the high torque and compressive forces required to extrude fins on these challenging materials.Each blade is manufactured from premium, vacuum-remelted tool steel and undergoes a multi-stage cryogenic treatment to achieve a unique balance of extreme hardness and fracture toughness. This advanced engineering prevents edge chipping and micro-fractures during the high-pressure cold-rolling process, ensuring a consistent fin profile and extended tool life in the most demanding production environments.
Rolling Blades for High-Nickel & Super Alloy Finned Tubes
Nexmek's specialized Rolling Blades for High-Nickel and Super Alloys are engineered for the absolute frontier of industrial heat transfer manufacturing. Designed to process exceptionally tough and abrasive materials such as Inconel 625, Monel 400, and Hastelloy C-276, these blades utilize a revolutionary ultra-fine grain carbide-matrix reinforced steel. This metallurgy ensures the tool maintains its physical integrity at the extreme pressures and localized temperatures generated during the extrusion of super-alloy fins.The manufacturing of nickel-alloy finned tubes presents unique challenges, including extreme work-hardening and a high tendency for 'cold-welding' between the tool and the workpiece. Our super-alloy series blades are treated with advanced silicon-doped PVD coatings and micro-polished surfaces to eliminate galling and material pick-up, ensuring that every fin produced meets the stringent surface integrity standards required for aerospace and high-pressure chemical applications.
Advanced Enhanced-Surface Rolling Blades for Stainless Steel
Nexmek's Advanced Enhanced-Surface Rolling Blades represent the pinnacle of thermal engineering for high-strength alloys. These specialized tools are designed to form complex 'Enhanced Surface' geometries—such as T-fins, Y-fins, and spirally fluted profiles—directly from the wall of stainless steel and duplex tubes. This technology is critical for next-generation heat exchangers that require extreme heat transfer coefficients (HTC) in phase-change applications like boiling and condensation.Forming these intricate profiles in stainless steel requires extreme precision and control due to the material's high yield strength and work-hardening rates. Our enhanced-surface blades utilize a proprietary progressive-forming sequence and nano-grain tungsten carbide inserts to achieve the exact cavity dimensions required for optimized bubble nucleation and film condensation, enabling significant energy savings in chemical processing and power generation.