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Fry Steel Company

HAYNES 188

HAYNES® 188 alloy (UNS R30188) is a cobalt-nickel-chromium-tungsten alloy that offers excellent high-temperature strength and superior oxidation resistance up to 2000°F (1095°C) and thermal stability. This alloy is used extensively in demanding military and civil aircraft gas turbine engine combustors, transition ducts, and after-burner components.

Common Applications

  • DefenseDefense
  • IndustrialIndustrial

Benefits

  • Excellent strength
  • Superior oxidation resistance and thermal stability
  • Good sulfidation resistance
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HAYNES 188

We Stock HAYNES 188 to the Following Specifications:

  • AMS 5772
  • GE-S-SPEC-1
  • GE-S-SPEC-35

Chemical Makeup

ElementMinMax
Carbon, C0.050.15
Manganese, Mn-1.25
Silicon, Si0.200.50
Phosphorous, P-0.02
Sulfur, S-0.02
Chromium, Cr20.0024.00
Nickel, Ni20.0024.00
Tungsten, W13.0016.00
Lanthanum, La0.020.12
Boron, B-0.00
Iron, Fe-3.00
Cobalt, CoBalance-

Cross-Fittings

Round

There are 31 sizes and conditions.

  • .312 - CG
  • .3225 - CG
  • 3/8 - CG
  • .385 - CG
  • 7/16 - CG
  • .4475 - CG
  • 1/2 - CG
  • .510 - CG
  • 5/8 - CG
  • .635 - CG
  • 3/4 - CG
  • .760 - CG
  • 7/8 - CG
  • .885 - CG
  • 1 - CG
  • 1-1/16 - CG
  • 1-1/8 - CG
  • 1-1/4 - CG
  • 1-3/8 - CG
  • 1-1/2 - CG
  • 1-5/8 - CG
  • 1-3/4 - CG
  • 2 - CG
  • 2-1/4 - CG
  • 2-3/8 - CG
  • 2-1/2 - CG
  • 2-3/4 - CG
  • 3 - CG
  • 3-1/2 - CG
  • Round bar Billet available in sizes from 3.75"- 14"
  • Forged bar available in sizes from 3.75"- 9"

Flat

There are no sizes and conditions for the flat cross-section.

Square

There are no sizes and conditions for the square cross-section.

Hex

There are no sizes and conditions for the hex cross-section.

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