Trusted Source for High-Performance Aerospace Steel

In the aerospace and defense world, your reputation depends on materials that perform under pressure. That’s why leading OEMs and supply chain partners trust Niagara Specialty Metals as their go-to source for high-performance aerospace steel.

Based in New York and 100% employee-owned, Niagara Specialty Metals is not your average mill. We’re agile, responsive, and built to serve manufacturers who can’t afford to wait. Whether you’re sourcing 300M for missile parts or 15-5PH for critical fasteners, we deliver high-performance aerospace steel that meets spec and arrives on time.

Built for Flight. Ready for Battle.

Niagara Specialty Metals supplies DFARS-compliant steels specifically engineered for aerospace and defense applications:

• 300M – Vacuum melted for extreme strength in missile parts and airframes 
• 15-5PH – Ideal for corrosion-resistant fasteners and frames 
• 4340 VAR – High-strength, low-alloy steel for rotor hubs and gearboxes 
• Maraging C250/C300 – Known for fracture resistance in gearboxes and couplings 

These aren’t off-the-shelf alloys. Our hot-rolling capabilities, precision flattening, and in-house annealing ensure tight tolerances, repeatable performance, and clean surfaces from the start.

Aerospace-Grade Service 

OEMs and Tier 1 suppliers in aerospace depend on more than good steel. You need:

• Fast quotes 
• Small or large orders 
• Reliable on-time delivery 
• Responsive customer support 

That’s what we’ve built our business on. Niagara Specialty Metals specializes in custom orders from single pieces to full truckloads with fast turnaround and personalized service. You won’t get lost in a supply chain maze.

Why Niagara for Aerospace Steel Solutions?

• 100% Employee-Owned – We’re invested in your success 
• DFARS-Compliant – Full traceability and domestic melting 
• Fast Lead Times – No 12-month waits like overseas mills 
• Flat-Roll Expertise – Tight gauge tolerances for demanding specs 
• Over 40 Years in the Game – We know how to deliver

High-Performance Aerospace Steel

As aerospace projects become more complex and mission-critical, sourcing the right material has never mattered more. When failure isn’t an option, choose high-performance aerospace steel from a supplier that’s engineered for excellence.