Hastelloy C-276

Alloy C-276 is an improved wrought version of Alloy C and has the same excellent corrosion resistance as the material but has greatly improved fabricability. It can 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.

Chemical Composition

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 4.0 – 7.0 1.0 15.0 – 17.0 Bal 0.04 0.03 0.08 0.35 3.0 – 4.5

Design Features

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

Typical Applications

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

Material_276

Availability

  • Alloy C-276 Weld Pipe 1/2” – 24”
  • Alloy C-276 Butt-Weld Fittings 1/2” – 24”
  • Alloy C-276 Flanges 1/2”- 24”
  • Alloy C-276 Valves 1/2”- 8”
  • Alloy C-276 Bar 1”- 11”
  • Alloy C-276 Seamless Pipe 1/4” – 8”
  • Alloy C-276 Pressure Fittings 1/2” – 2”
  • Alloy C-276 150# Fittings 1/4” – 2”
  • Alloy C-276 Plate 1/8” – 3”
  • Alloy C-276 Tubing 1/8” – 1”

Specifications

  • ASTM A790, A815, A182
  • ASME SA790, SA815, SA182

Tensile Requirements

Tensile Strength (KSI) 100
Yield Strength (KSI) 41
KSI can be converted to MPA (Megapascals) by multiplying by 6.895.

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