Haynes 188 alloy plate, cobalt alloy sheet, nickel cobalt alloy supplier, high quality HS188 sheet
▪ Meets AMS 5608 specifications
▪ Meets AMS 5772 specifications
▪ Enormously beneficial high temperature strength
▪ Provides oxidation resistance up to 2100° F
▪ Excellent post-aging ductility
▪ Galling resistant
▪ Easily strengthened by cold deformation
▪ Gas turbine operations
▪ Combusters
▪ Flame holders
▪ Liners
▪ Transition ducts
▪ Exhaust frames
| UNS | W. Nr | Trademark | GB | DIN | NF |
| R30188 | 2.4683 | Haynes 188 | GH5188 | KCN22W |
| Alloy | C | Si | Mn | P | S | Cr | Ni | Co | W | La | Fe |
| Haynes 188 | 0.05-0.15 | 0.2-0.5 | ≤1.25 | ≤0.02 | ≤0.015 | 20.0-24.0 | 20.0-24.0 | Bal | 13.0-15.0 | 0.03-0.15 | ≤3.0 |
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HRB |
| 9.07 | 1330-1410 | 991 | 483 | 50.6 | / |
| Rod, Bar, Wire and Forgings | AMS 5772 |
| Plate, Sheet and Strip | AMS 5608 |
| Pipe and Tube | – |
| Welding Product | – |
| Others | – |
| Haynes 188 available sizes and specifications | |
| Grade | Haynes 188 |
| Nickel plate | Thickness: 0.3mm - 150.0mm
Width: 1000mm - 3000mm |
| Nickel strip/ nickel foil | Thickness: 0.02mm - 16.0mm Width: 5mm - 3000mm |
| Nickel coil | Thickness: 0.3mm - 16.0mm Width: 1000mm - 3000mm |
| Nickel pipe | Outside diameter: 6mm - 1219mm Thickness: 0.5mm - 100mm |
| 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 |












