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What is AMS 4640H?

  AMS 4640H is the current revision of AMS 4640.  This specification covers C63000 Nickel Aluminum Bronze alloy in bars, rods, shapes, tubes and forgings. Under this specification the Nickel Aluminum Bronze can be drawn and stress relieved (HR50) or temper annealed (TQ50). The AMS 4640 specification began in 1940 and was simply AMS 4640. 

C90300 Navy G Bronze Now Available Online

C903 SAE 620 Navy G Bronze is now available online at our ecommerce website C903 Tin Bronze is a copper alloy with excellent corrosion resistance and high wear resistance while at the same time offering a low coefficient of friction. This naturally lead free alloy meets the NSF Potable Water Requirements. Its corrosion resistance

Product Spotlight: Bronze Slide Bearing Plates for Pipeline Support Systems

      Material: C86300 Manganese Bronze with Graphite Plugs Processes: Machining, Drilling, Plugging Bronze Slide Bearing Plates are used for numerous pipeline support systems in applications ranging from Oil & Gas to Industrial systems. Ideal applications are heavy load bearing systems with low velocity of movement. The C863 Manganese Bronze and solid lubricant graphite

Our Sawing Department Expansion

  That’s right, we’re expanding again here at National Bronze Mfg. Co.  This time with the addition of 2 new Amada band saws. This expansion included both vertical and horizontal band saws, with the horizontal band saw equipped with automatic feeding capabilities.  The vertical band saw expands our plate sawing capacity and capabilities.  The automatic

PTFE Plugged Bronze Bushings

Polytetrafluoroethylene, is a thermoplastic polymer that was accidentally discovered in 1938.  Perhaps best known for its use in coating “non-stick” frying pans, PTFE has a wide range of commercial uses.  One such use is as a self-lubricant plug material in cast bronze bushings and wear plates.   PTFE is a white solid at room temperature.  Plugs