R30188
Haynes 188 (UNS R30188 / W.Nr. 2.4683) is a cobalt-nickel-chromium-tungsten alloy that com- bines excellent high-temperature strength with very good resistance to oxidizing environ- ments up
Haynes 188 Key Features
Exceptional High-temperature Strength:Maintains high tensile and creep strength up to 1100ºC.
Outstanding Oxidation&Hot Corrosion Resistance:Its high chromium content and lanthanum addition make it superior to many other superalloys in aggressive invironments.
Good Fabricability:It can be fromed and welded using standard techniques for superalloys.
Haynes 188 Chemical Composition
| Alloy | C(%) | Si(%) | Ni(%) | Fe(%) | Mn(%) | Cr(%) | La(%) | P(%) | S(%) | W(%) | Co(%) |
| Haynes 188 | ≤0.15 | ≤0.5 | 20-24 | ≤3 | ≤1.25 | 20-24 | 0.03-0.15 | ≤0.02 | ≤0.15 | 13-15 | Bal. |
Haynes 188 Physical Properties
| Grade | Density | Melting Point |
| Haynes 188 | 9.07g/cm3 | 1330-1410 |
Haynes 188 Mechanical Properties
| Tensile Strength Mpa | Yield Strength Mpa | Elongation % | Hardness HB | ||||
| 991(Min) | 483(Min) | 50.6(Min) | 250 (Max) | ||||
Available Sizes And Standards
| Grade | Haynes 188 | |||||||
| Nickel coil | Thickness:0.3mm- 16.0mm Width: 1000mm – 3000mm | |||||||
| Nickel plate | Thickness:0.3mm- 150.0mm Width: 1000mm – 3000mm | |||||||
| Nickel strip/ nickel foil | Thickness:0.02mm- 16.0mm Width: 5mm – 3000mm | |||||||
| Nickel pipe | Outside diameter:6mm- 1219.0mm Thickness:0.5mm- 100.0mm | |||||||
| Nickel Capillary Pipe | Outside diameter:0.5mm- 6.0mm Thickness:0.05mm- 2.0mm | |||||||
| Nickel bar | Diameter: Ф4mm – Ф600mm | |||||||
| Nickel wire rod | Diameter:Ф0.01mm – Ф6mm | |||||||
| Standards | AMS 5772,AMS 5608 | |||||||
Applications
Military and commercial gas turbine engines for combustion cans
Gas turbine operations
Heat Treatment Equipment
Aerospace
Nickel coils


Nickel plate/sheet


Nickel strip/ nickel foil


Nickel bar/wire rod







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