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Gangsteel Group is a trusted global supplier of Alloy 188 Plate, Alloy 188 Sheet, and Alloy 188 Strip, delivering high-quality cobalt-based superalloy products engineered for exceptional high-temperature strength, oxidation resistance, and corrosion resistance.
Known as HAYNES 188 (UNS R30188), this alloy is ideal for demanding applications in aerospace, gas turbine engines, and industrial furnaces. Gangsteel offers competitive Alloy 188 plate price, Alloy 188 sheet suppliers, and customizable specifications to meet diverse project needs, ensuring reliability and performance in extreme environments.
Gangsteel’s Alloy 188 Plate, Sheet, and Strip comply with the following international standards, ensuring quality and consistency:
Note: Products are supplied with EN 10204 3.1/3.2 mill test certificates and tested per standards like DNV, BV, LR, ABS, or SGS for quality assurance.
Gangsteel provides Alloy 188 Plate, Sheet, and Strip in a wide range of specifications and product categories to support Alloy 188 material properties and project requirements:
3.1 Specifications
3.2 Product Categories
Note: Custom dimensions, finishes, and Alloy 188 plate price are available upon request. Contact Gangsteel for tailored Alloy 188 sheet suppliers solutions.
The chemical composition of Alloy 188 (HAYNES® 188, UNS R30188) is optimized for high-temperature strength and corrosion resistance, as per AMS 5608:
Element |
Co |
Ni |
Cr |
W |
Fe |
Mn |
Si |
C |
La |
B |
---|---|---|---|---|---|---|---|---|---|---|
% |
Bal |
20.0-24.0 |
20.0-24.0 |
13.0-16.0 |
≤3.0 |
≤1.25 |
0.2-0.5 |
0.05-0.15 |
0.03-0.15 |
≤0.015 |
Note: Lanthanum enhances the protective oxide scale, improving oxidation resistance at high temperatures, while tungsten strengthens the solid solution.
The mechanical properties of Alloy 188 ensure suitability for high-temperature and corrosive environments, as per AMS 5608 (solution-annealed condition):
Property |
Value at 20°C |
Value at 1800°F (982°C) |
Description |
---|---|---|---|
Yield Strength |
≥464 MPa (67.3 ksi) |
≥131 MPa (19.0 ksi) |
Supports high-stress applications |
Tensile Strength |
≥946 MPa (137.2 ksi) |
≥243 MPa (35.2 ksi) |
Ensures durability under extreme conditions |
Elongation |
≥53% |
≥59% |
Provides excellent ductility for forming |
Hardness |
~180-230 HB |
- |
Balances strength and machinability |
Impact Toughness |
Good at cryogenic to 1095°C |
Good |
Reliable in dynamic, high-heat environments |
Note: Properties are enhanced by solution heat treatment at 2125-2175°F (1163-1191°C) followed by rapid cooling. Cold-worked material can be aged to precipitate carbides for increased strength.
Alloy 188 Plate, Sheet, and Strip are comparable to other high-temperature superalloys, with respective execution standards:
Material |
Standard |
Description |
---|---|---|
HAYNES® 188 |
AMS 5608, ASTM B435, ASME SB-435 |
Cobalt-based superalloy for high-temperature strength (UNS R30188) |
Udimet® 188 |
AMS 5608, AMS 5772 |
Equivalent to HAYNES® 188, used in gas turbines |
Conicro 4023 |
W.Nr. 2.4683 |
European designation for Alloy 188 |
Hastelloy® X |
AMS 5536, ASTM B435 |
Nickel-based alloy with similar high-temperature properties |
Inconel® 617 |
ASTM B168, AMS 5889 |
Nickel-chromium-cobalt alloy for high-temperature strength |
Note: Equivalents may vary slightly in composition or properties; consult Gangsteel for precise matching to Alloy 188 material properties.
Note: Alloy 188’s unique combination of strength and corrosion resistance makes it a preferred choice for Alloy 188 high-temperature applications in extreme environments.
For inquiries about Alloy 188 Plate, Alloy 188 Sheet, Alloy 188 Strip, or to request a quote for Alloy 188 plate price, visit Gangsteel Group or contact our sales team. Trust Gangsteel for premium Alloy 188 products tailored to your project needs, backed by expertise and reliability as leading Alloy 188 sheet suppliers!
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