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Hastelloy - C-276  (UNS N10276)

Alloy C-276 is an improved wrought version of Alloy C and has the same excellent corrosion resistance as that material but has greatly improved fabricability.  It an be hot worked and cold formed by conventional procedures.  It can be joined by all of the common welding methods and resists the formation of grain boundary precipitates in the weld-affected zone, thus making it suitable for most chemical process applications in the as-welded condition.  It resists pitting and stress-corrosion cracking and is resistant to oxidation at temperatures up to 1900°F.

Availability - Alloy C-276

Weld Pipe 1/2" - 12"

Butt-Weld Fittings 1/2" - 12"

Flanges 1/2" - 12"

Valves 1/2" - 8"

 

Specifications - Alloy C-276

ASTM

B619, B366, B564 

ASME

SB619, SB366, SB564

 

 

 

Chemical Composition - Alloy C-276 

C Co Cr Fe Mn Mo Ni P S Si V W
Max Max     Max     Max Max Max Max  
0.01% 2.5% 14.5%-16.5% 4-7% 1.0% 15 -17% BAL .04% 0.03% 0.08% 0.35% 3-4.5%

 

Design Features - Alloy C-276

  • Outstanding corrosion resistance and oxidizing environments.
  • Excellent resistance to pitting and stress-corrosion cracking.
  • Maintains corrosion resistance in welded joints.

Typical Applications - Alloy C-276

  • Chemcal processing
  • Pollution control
  • Pulp and paper
  • Other severe environments and/or conditions

Tensile Requirements - Alloy C-276

Tensile Strength (KSI): 100

Yield Strength (KSI): 41

KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

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