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APPLICATIONS

Precision Nitriding for Your Critical Specs

By way of a dedicated commitment to R&D, years of heat treating services and close relationships with our customers from a variety of industries, Nitrex has been able to perfect its heat treating technologies and has developed proper nitriding / nitrocarburizing processes for many applications. The following are just some examples.

Crankshafts

High performance automotive and aircraft engine crankshafts are nitrided for better fatigue resistance and wear properties on bearing journals.

Nitriding - crankshafts

Nitreg® treated crankshaft

Shafts

Properties of small shafts exposed to atmospheric conditions and/or other corrosive environments are frequently treated in an in-process post-nitriding oxidizing treatment. Such components have excellent wear and corrosion properties, as well as an attractive appearance.

Nitriding - Wiper Axle

Appearance of ONC®-treated automobile wiper axles

Tooling

Nitriding properties required for dies and other tooling are high wear resistance, impact strength, resistance to softening, and high dimensional stability. Nitreg® nitriding with its precise control of surface concentration of nitrogen makes it possible to obtain reproducible properties of treated parts, and consequently improve tools performance..

Nitriding - Boring Tool Holder

Boring Tool Holders

Landing Gear Mechanism

Aerospace specifications often call for controlled nitriding with limited white layer capable of producing deep diffusion cases on Nitralloy 135M and other alloyed steels. Such well controlled nitriding produces a hardened case that has excellent wear and toughness properties. The reduction in white layer thickness eliminates the need for costly finishing operations that might otherwise have been required.

Nitriding - Landing Gear Hangers

Landing Gear – Hangers

Shafts (Stainless Steel)

Shafts made of stainless steel or nickel based alloys require vacuum hardening and tempering, frequently followed by nitriding.

Nitriding - Aircraft engine shafts

Front Half Shafts for Aircraft Engine

Forging / Forming Dies

Forging and forming dies made of tool steels, alloy steels, cast steels or cast iron are frequent visitors in a heat treating shop. The dies are vacuum hardened and tempered, flame hardened, flood-welded, and nitrided, as applicable, for better life.

Nitriding - Forging Dies

Forging Dies

Gears

Nitriding gears for applications ranging from heavy-duty machinery to small automotive accessories enables lower manufacturing costs. For one customer, this meant eliminating costly finishing operations needed after carburizing.

Nitriding - Timing gear

Timing Gears

Piston Rings

Nitrided piston rings show high surface hardness at elevated temperatures, and good sliding wear resistance with a low coefficient of friction.

Nitriding - piston ring
Springs

Springs are routinely nitrided to enhance their fatigue resistance to premature failure.

Nitriding - compression spring

Compression springs

Rubber or Plastic Molds

Rubber or plastic molds and forming dies often only require wear resistance, which can be achieved by gas nitriding.

Nitriding - plastic injection mold

Articulated moulds for hot-runners

Fuel Injectors

Nitriding is the appropriate method for improving the wear resistance of small cross-section parts or those that easily lose their shape. A good example of such a part is the fuel injector, which requires a high wear resistant surface necessary to prevent abrasion by a high-velocity fuel stream.

Nitriding - Fuel injectors
Aluminium Extrusion Dies

Aluminum_Extrusion_DiesExtrusion dies are nitrided and re-nitrided several times to extend their die life. Nitriding parameters are adjusted to the expected die duty cycle resulting in significant cost reductions and virtual elimination of unscheduled press shutdowns.


More Nitriding / Nitrocarburizing Applications Listed by Type

Please contact us for more information on these or any other applications

Automotive components

  • ABS hardware
  • Drive plates
  • Rocker arm shafts
  • Clutch springs
  • Engine valves
  • Rocker arms (carbon steel)
  • Ball joints
  • Engine valve guides
  • Rocker arms (marine engine)
  • Brake pistons
  • Fuel injectors
  • Seat rails
  • Brake pads plates
  • Gas springs
  • Shock absorbers
  • Cam followers
  • Gasket plates
  • Synchronizer components
  • Cardan joints
  • Gearing for hydraulic pumps
  • Timing gears
  • Clutch hubs
  • Gearing for power generation equipment
  • Transmission torque converter
  • Clutch Plates
  • Hydraulic components of dump-truck lifting mechanisms
  • Rear axle ring gears
  • Crankshafts
  • Hydraulic cylinders
  • Suspension springs
  • Cylinder block sleeves
  • Mechanical couplings
  • Valves (including exhaust valves of austenitic stainless steel)
  • Cylinder liners
  • Piston rings
  • Wiper shafts
  • Differential housings (cast iron)
  • Precision valve springs
  • Window sectors

Precision parts

  • Bushings
  • Parts of fuel injection mechanisms
  • Parts of landing gear
  • Parts of gearbox assembly
  • Engine components
  • Auxiliary power units, actuators
  • Actuators – wing flaps
  • Gearing for power transmission
  • Cargo door actuators and cargo plane floor robotic actuators
  • Auxiliary power units
  • Hydraulic & auxiliary power actuators
  • Aircraft Hardware

Mechanical components

  • Gears
  • Gun barrels
  • Pinions
  • Shafts

Tool & die

  • Aluminum die casting dies
  • Aluminum die casting sleeves
  • Aluminum extrusion dies
  • Ejector pins
  • Forging dies
  • Forming dies
  • Plastic extrusion screws & other related tooling
  • Press dies
  • Tool holder


Picture Gallery

Nitriding - actuator gears Nitriding - ball valves Nitriding - drive shafts Nitriding - engine shafts Nitriding - hangers Nitriding - landing gear hooks Nitriding - pin Nitriding - transmission gears Nitriding - radial retainers Nitriding - radial retainers Nitriding - thrust retainers
  • Applications
  • Materials

NEWS

  • Webinar: Improvement of Gear Life and Performance Through Controlled NitridingWebinar: Improvement of Gear Life and Performance Through Controlled Nitriding6 March 2021 - 09:18
  • NITREX NEVADA RECEIVES SUPPLIER APPROVAL FROM HONEYWELL4 November 2020 - 15:53
  • MEET THE TEAM – LILIA JASSO, ADMINISTRATIVE MANAGER15 September 2020 - 08:12

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NITREX INC.
Tel: +1 702 399 1554
Fax: +1 702 639 3819
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