1. Chemical Composition (Mass Fraction, %)
| Element | Content Range |
| Ni (Nickel) | Bal. (Typically 58-63%) |
| Cr (Chromium) | 33.0-37.0 |
| Mo (Molybdenum) | 7.0-9.0 |
| W (Tungsten) | 2.5-3.5 |
| Fe (Iron) | ≤4.0 |
| Cu (Copper) | 1.0-2.0 |
| C (Carbon) | ≤0.03 |
| Si (Silicon) | ≤0.60 |
| Mn (Manganese) | ≤0.50 |
| Co (Cobalt) | ≤1.0 |
2. Executive Standards
| Standard System | Specific Standard No. | Applicable Product Form |
| ASTM | B581 | Bars, Profiles |
| ASTM | B582 | Plates, Strips |
| ASTM | B622/B619/B626 | Seamless Pipes, Welded Pipes |
| ASTM | B366/B462 | Welded Fittings, Forged Flanges |
| ASME | SB574/SB472 | Forgings, Bar Blanks |
| International Grade | UNS N06035, DIN W.Nr.2.4643 | General Grade Identification |
| National Standard (China) | 00Cr33Ni55Mo8Fe | Equivalent Domestic Grade |
3. Product Characteristics
Superior Corrosion Resistance
Optimized Processability
Environmental Adaptability
4. Physical Properties (Typical Values at Room Temperature)
| Performance Parameter | Value Range |
| Density | 8.22-8.72 g/cm³ |
| Melting Point | 1332-1400℃ |
| Thermal Conductivity | 10-23 W/(m·K) |
| Specific Heat Capacity | 450-600 J/(kg·K) |
| Elastic Modulus | 177 GPa |
| Thermal Expansion Coefficient (20-1000℃) | 12.8×10⁻⁶/K |
| Electrical Resistivity | 1.29 µΩ·m |
| Tensile Strength | ≥750 MPa |
| Yield Strength | ≥350 MPa |
| Elongation | ≥40% |
5. Application Fields
Chemical & Petrochemical Industry
Strong oxidizing acid reactors, heat exchangers, pipeline systems; high-temperature reactors for acetic acid production; pesticide synthesis equipment.
Hydrometallurgy & Fertilizer Industry
Wet-process phosphoric acid concentration evaporators, sulfuric acid leaching tanks, electrolytic anode components; corrosion-resistant structural parts for fertilizer production.
Environmental Protection & Flue Gas Treatment
Flue Gas Desulfurization (FGD) absorption towers, spray pipes; wastewater treatment equipment containing fluoride and chloride ions.
Nuclear Industry
Spent fuel reprocessing equipment, enriched uranium solution pipelines; nuclear waste treatment systems.
Special Equipment
Hydrofluoric acid/nitric acid pickling equipment; high-temperature components for aerospace; key components of seawater desalination equipment.
