Heavy-Duty Rolling Blade for Duplex and Super Duplex Stainless Steel
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Heavy-Duty Rolling Blade for Duplex Stainless Steel

Extreme-performance rolling blades designed for the high-torque extrusion of Duplex and Super Duplex stainless steel finned tubes.
Compatible Alloys:
Duplex 2205 (S31803), Super Duplex 2507 (S32750), 310S
Blade Material:
Special High-Molybdenum Tool Steel (Vacuum Remelted)
Surface Treatment:
Multi-Layer AlTiN / CrN PVD Coating
Operating Hardness:
64-66 HRC (Cryogenically Stabilized)

Specifiche tecniche

Engineering for High-Strength Alloys

Processing Duplex stainless steel requires up to 40% more rolling force than standard 316L. Nexmek blades are designed with a reinforced hub and optimized flank angles to distribute these forces evenly, preventing catastrophic tool failure while maintaining precision fin geometry.
  • Reinforced blade profile for high-torque applications
  • Optimized for alloys with yield strengths up to 550 MPa
  • Proprietary edge-honing process to reduce stress concentration

Tool Longevity & Performance Benchmarks

Our HD series blades are tested against standard HSS tooling to ensure maximum return on investment for high-grade alloy production.
Performance Metric Standard HSS Blade Nexmek HD Series
Average Tool Life (Meters) 1,200m - 1,500m4,500m - 6,000m+
Edge Chipping Risk HighNegligible
Max Operating Temp 450°C650°C+
FPI Consistency ModerateHigh-Precision

Critical Harsh-Environment Applications

Tubes produced with our Duplex-rated tooling are vital for infrastructure in the world's most corrosive environments:
  • Seawater Desalination Plant Evaporators
  • Offshore Platform Oil & Gas Coolers
  • Nuclear Reactor Secondary Cooling Loops
  • Chemical Processing in Extreme Acidic Environments