Description
Overview Of HA230
HA230 is a W-Mo reinforced nickel-based high-temperature alloy, typically employed in environments ranging from 700°C to 1000°C. This alloy exhibits exceptional high-temperature strength and commendable fatigue resistance properties. Moreover, owing to its outstanding organizational stability, GH3230 demonstrates superior resistance to oxidation and hot corrosion, making it a reliable choice for applications subjected to extreme thermal conditions.
Powder Chemical Composition(wt,-%)
| Element | C | Cr | Ni | Co | W | Mo |
| wt% | 0.05-0.15 | 20.00-
24.00 |
Bal | ≤5.00 | 13.00-
15.00 |
1.00-3.00 |
| Element | Al | Ti | Fe | La | B | Mn |
| wt% | 0.20-0.50 | ≤0.10 | ≤3.00 | 0.005-0.05 | ≤0.015 | 0.30-1.00 |
| Element | S | P | S | Cu | O | N |
| wt% | 0.25-0.75 | ≤0.01 | ≤0.010 | ≤0.50 | ≤0.025 | ≤0.015 |
Physical Properties
| Size | Particle size distribution | Hall flow rate | Bulk density | Tap density | ||
| D10(μm) | D50(μm) | D90(μm) | ||||
| 15-53μm | ≥15 | 30-40 | ≤60 | ≤25s/50g | ≥4.60g/cm³ | ≥5.20g/cm³ |
Mechanical Properties
| Measuring temperature | Tensile strength
(Ob/Mpa) |
Yield strength
(Opo.2/Mpa) |
Elongation at break
(δ5/%) |
| 25℃ | ≥840 | ≥450 | ≥35 |
| 815℃ | ≥250 | ≥200 | ≥35 |
| 1000℃ | ≥160 | ≥130 | ≥30 |
Heat Treatment Recommendation
Option 1: Heat Isostatic Pressing
1200±20℃/160Mpa/3H
Option 2：Solution Heat Treatment
1200±20℃/1H/AC
Primary Applications
HA230 nickel-chromium alloy powder is widely employed in critical components across high-temperature and corrosive environments, offering exceptional strength and corrosion resistance. Its versatility makes it indispensable in:
Aerospace Engineering
● Turbine blades, discs, and fasteners for engine systems
● High-temperature bolting solutions for petrochemical piping
Oil and Gas Industry
● Wellhead valves and downhole tools subject to extreme pressures
Chemical Processing
● Extruder screws and valve components exposed to corrosive media
Power Generation
● Boiler superheater tubes, headers, and steam turbine blades
Notable applications include
● Valve components in aggressive chemical environments
● Steam turbine blades and fasteners for reliable performance under thermal stress
HA230’s unique properties ensure component longevity and reliability, meeting stringent requirements in aerospace, energy, and industrial sectors where durability at extreme temperatures is paramount.
