Inconel 601 (UNS N06601) Supplier – Certified Round Bar, Seamless Tube & Plate | Shanghai Hangbo Alloy Group
Date: 2026年7月17日 Categories: News Views: 370
Section 1: Grade & Introduction
Inconel 601 (UNS N06601 / W.Nr. 2.4851) is a nickel-chromium alloy with an addition of aluminum for outstanding resistance to oxidation and other forms of high-temperature corrosion. It also has high mechanical properties at elevated temperatures. Inconel 601 is an optimized version of Alloy 600, specifically designed for extreme thermal environments.
Section 2: Chemical Composition
The addition of aluminum is the defining characteristic of Inconel 601. Below is the wt.% according to ASTM B168.
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 58.0 - 63.0 |
| Chromium (Cr) | 21.0 - 25.0 |
| Aluminum (Al) | 1.00 - 1.70 |
| Iron (Fe) | 7.7 - 17.4 (Balance) |
| Manganese (Mn) | ≤ 1.00 |
| Carbon (C) | ≤ 0.10 |
| Silicon (Si) | ≤ 0.50 |
| Copper (Cu) | ≤ 1.00 |
| Sulfur (S) | ≤ 0.015 |
Section 3: Mechanical & Physical Properties
Physical Properties
- Density: 8.11 g/cm³
- Melting Range: 1360 - 1411°C (2480 - 2571°F)
- Specific Heat: 448 J/kg·°C
Mechanical Properties (Min. values per ASTM B168)
| Condition | Tensile Strength (MPa) | Yield Strength (0.2% Offset) (MPa) | Elongation (%) |
|---|---|---|---|
| Annealed | 550 | 205 | 30 |
Section 4: Material Characteristics
- Oxidation Resistance: Exceptional resistance to oxidation and spalling up to 1250°C.
- Thermal Cycling: Highly resistant to spalling even under severe thermal cycling conditions.
- High Temperature Strength: Good creep-rupture strength at elevated temperatures.
- Corrosion Resistance: Excellent resistance to aqueous corrosion and oxidizing atmospheres.
Section 5: Others
Manufacturing & Processing
Manufacturing involves hot rolling and cold forming. Pickling and sandblasting are common surface treatments. Solution annealing is performed to optimize high-temperature performance.
Testing
Standard quality checks include Ultrasonic Testing (UT) for internal defects, PMI for elemental analysis, and dimensional verification per ASTM B906.
Applications
Ideal for thermal processing equipment (furnace muffles, retorts), aerospace (jet engine igniters), and power generation (combustion chambers).
Global Cases
Extensively used in modern waste-to-energy plants for combustion zone components and in high-temperature catalyst supports.
FAQ
- What is the difference between 600 and 601? 601 has higher aluminum and chromium, providing superior oxidation resistance.
- What is the maximum width of 601 plates? Up to 2500 mm depending on thickness.
- Can it be used in sulfuric acid? Yes, it has good resistance to oxidizing acid solutions.
- What is the benefit of the aluminum addition? It forms a protective, tightly adherent oxide scale that resists spalling.
- Is it suitable for welding? Yes, it has good weldability using matching filler metals (ERNiCrFe-11).
