Cobalt Alloy Haynes 188 Sheet Exporters In India

By Author: Kamal
Total Articles: 20
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Haynes 188™ is a cobalt-based alloy known for its exceptional high-temperature strength and oxidation resistance up to 2000°F (1095°C). This alloy is also recognized for its good resistance to sulfidation and excellent metallurgical stability, which contributes to its ease of fabrication. These properties make Haynes 188™ highly suitable for demanding applications, particularly in the aerospace and gas turbine engine industries.

Key Characteristics:
High-Temperature Strength: Maintains excellent mechanical properties at elevated temperatures.
Oxidation Resistance: Effective up to 2000°F, providing durability in high-temperature oxidizing environments.
Sulfidation Resistance: Offers good resistance to damage from sulfur-containing environments.
Metallurgical Stability: Ensures that the alloy remains stable under high-temperature conditions, facilitating easy fabrication.
Chemical Composition Limits (Weight %)
Element Composition (Weight %)
C 0.05-0.15
Mn 1.25 max
Si 0.20-0.50
P 0.02 max
S 0.015 max
Cr 20-24
Ni 20-24
W 13-16
La 0.02-0.12
...
... B 0.015
Fe 3 max
Co Balance
Typical Mechanical Properties
Extruded Bar (Solution Treated - AMS 5772)
Property Value
Temperature (°F) RT
Yield Strength (0.2% Offset), min (ksi/MPa) 55 / 379
Tensile Strength, min (ksi/MPa) 125 / 862
Elongation (%) 45
Hardness ≤302HB
Sheet (Solution Treated - AMS 5608)
Room Temperature (RT):

Thickness ≤ 0.020"

Property Value
Yield Strength (0.2% Offset), min (ksi/MPa) 55 / 379
Tensile Strength, min (ksi/MPa) 125 / 862
Elongation (%) 40
Hardness HRC -
Thickness ≥ 0.020"

Property Value
Yield Strength (0.2% Offset), min (ksi/MPa) 55 / 379
Tensile Strength, min (ksi/MPa) 125 / 862
Elongation (%) 45
Hardness HRC -
At 1200°F:

Thickness ≤ 0.020"

Property Value
Yield Strength (0.2% Offset), min (ksi/MPa) 36 / 248
Tensile Strength, min (ksi/MPa) 90 / 621
Elongation (%) 40
Hardness HRC -
Thickness ≥ 0.020"

Property Value
Yield Strength (0.2% Offset), min (ksi/MPa) 36 / 248
Tensile Strength, min (ksi/MPa) 90 / 621
Elongation (%) 50
Hardness HRC -
These properties and composition details underscore Haynes 188™ alloy's suitability for high-temperature applications, offering a balance of strength, oxidation resistance, and fabricability.

For more information:
Visit our website: https://www.aluminiumwala.com/
Email I'd: plusmetals@aluminiumwala.com
Contact no: 916 734 7029