Nickel and nickel alloys · Alloy 333 / UNS N06333 / 2.4608
Heat-Resistant Nickel Alloy Alloy 333 (UNS N06333): Engineering Reference
Engineering Parameters and Nomenclature of Alloy 333
Alloy 333 (UNS N06333) is an austenitic heat-resistant nickel-based superalloy designed for operation in conditions of extreme temperatures and highly corrosive environments. EV Group China supplies this material in various forms, including sheet and plate, bars, wire, and forged blanks, meeting the needs of the most demanding industries.
| Product Form | Alloy Name | Main Specifications | Main Specifications | EN Standard | |
|---|---|---|---|---|---|
| Sheet, plate, rod, bar, wire | Alloy 333, Superalloy 333, RA 333, Nicrofer 4626 Mo W, VDM Alloy 333, UNS N06333 | ASTM | ASME | Analogs (W.Nr.) | NiCr26MoW |
| Sheet, plate, rod, bar, wire | Alloy 333, Superalloy 333, RA 333, Nicrofer 4626 Mo W, VDM Alloy 333, UNS N06333 | B 718, B 719, B 722, B 723, B 726 | Complies with high-temperature application standards | 2.4608 | NiCr26MoW |
| Sheet, plate, rod, bar, wire | Alloy 333, Superalloy 333, RA 333, Nicrofer 4626 Mo W, VDM Alloy 333, UNS N06333 | B 718, B 719, B 722, B 723, B 726 | Complies with high-temperature application standards | 2.4608 | NiCr26MoW |
Component Chemical Analysis of Alloy 333
Unique performance properties are achieved through a precisely balanced composition, where nickel (>46%) and chromium (24-26%) dominate. Such alloying ensures exceptional resistance of the material to carburization, oxidation, and sulfidic corrosion at temperatures up to 1200°C.
| Ni | >46.0 |
|---|---|
| Cr | 24.0-26.0 |
| Cu | <0.5 |
| Mn | <2.00 |
| C | 0.03-0.08 |
| Si | 0.7-1.5 |
| S | <0.015 |
| Mo | <3.0 |
| W | <3.0 |
| Co | 2.5-3.0 |
| Fe | Balance |
Mechanical Characteristics of Alloy 333 under Standard Conditions (20°C)
The alloy is characterized by an optimal combination of high ductility and tensile strength. A key advantage is the preservation of structural stability and mechanical properties under cyclic thermal loads, which is critically important for furnace equipment components.
| Tensile Strength | Yield Strength (0.2%) | Elongation |
|---|---|---|
| 550 MPa | 240 MPa | 30 % |
Physical Constants and Properties of Alloy 333
The density of Alloy 333 under normal conditions is 8.2 g/cm³. The high concentration of nickel and the complex of alloying elements make this alloy from EV Group China an indispensable solution for critically important components in petrochemical, aerospace industries, as well as for the manufacture of industrial furnace components and heat treatment equipment.