An engineered high temperature resistant steel

Alloy 330 fasteners & flanges are specifically designed for high temperature furnace applications such as vacuum furnaces, heat treating and brazing applications. The most prized trait of alloy 330 is its ability perform under cyclic conditions of temperature extremes from heating and cooling; as well as in alternate carburizing and oxidizing atmospheres. An austenitic, nickel-chromium-iron-silicon alloy, 330 fasteners also offer industry a low coefficient of expansion, excellent ductility, and high strength.

Benefits & Corrosion Resistance

  • Resistance to thermal shock from repeated quenching
  • High level of resistance to oxidation and carburization
  • Ability to handle thermal cycling
  • Provides resistance to scale formation up to about 2000°F
  • Good resistance to nitrogen-containing atmospheres where the oxygen content is low
  • High nickel content of 34-37% provides high resistance to chloride stress corrosion cracking and embrittlement

Applications for Alloy 330 Fasteners

  • Alloy 330 fasteners are often used in furnaces, thermal processing and heat treating applications.
  • Gas turbine components and boiler fixtures used in power generation often use Alloy 330 fasteners.
  • Because of its resistance to nitrogen rich environments, alloy 330 fasteners are used extensively for components handling cracked ammonia.
Alloy 330 Properties
Tensile Strength (ksi)  80-85
Yield Strength (ksi) 30-43
Elongation in 2” 40-45
Rockwell B Hardness 70-85
Density (lb/in3) 0.292
Specific Heat (Btu/lb/°F (32°-212°F)   0.11
Modulus of Elasticity Tension 28.5

Resources: Alloy 330 Torque Specs, Flange DimensionsFlange Bolting Chart

Alloy 330 Fastener TypesBolts, Nuts, Screws, Studs, Threaded Rods, Washers

Flange Types Available: Blind FlangesLap Joint FlangesSlip On FlangesSocket Weld FlangesThreaded FlangesWeld Neck Flanges


330 Tensile Curve

 

 

 

 

 

 

 

 

 

 

 


Alloy 330 Chemistry and Specifications

Alloy 330 (UNS N08330) is best known for its extreme high temperature strength and stability. One of the most unique attributes of Alloy 330 is its ability to handle cyclic temperature changes from extreme high temperatures to cooling phases, as well as in oxidation-rich environements.

Alloy 330 Specifications: UNS N08330, AMS 5592, AMS 5716, ASME SB 511, ASME SB 536,  ASTM B 511, ASTM B 512, ASTM B 535, ASTM B 536, ASTM B 546, ASTM B 710, ASTM B 739, EN 10095, Werkstoff 1.4886

Alloy 330 chemical composition

 

 

 

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