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Corrosion resistance
926 is an austenitic stainless steel alloy has a similar chemical composition with 904L alloy, its nitrogen content is 0.2%, molybdenum content is 6.5%. Molybdenum and nitrogen content significantly increased the resistance of pitting and crevice corrosion in the halide media.Meantime, nickel and nitrogen not only ensures the stability of metallographical, but also reduce separating intergranular trend in the thermal process or welding process better than the nitrogen content of nickel alloy. 926 has particular corrosion resistance in the chloride ions medium due to the excellent local corrosion resistance and 25% nickel alloy content.A variety of experiments in the 10000-70000ppm of Chloride concentration, PH 5-6, 50-68??? operating temperature of the slurry of limestone FGD system show that, after a 1-2 year trial period, 926 alloy without pitting and crevice corrosion.926 in other chemical media also has good corrosion resistance in the high temperature and high concentration of media, including sulfuric acid, phosphoric acid, acid gas, sea water, salt and organic acids.926 is the material that choosed for BAM directory Chapter 6 of "dangerous goods storage and transportation containers norms" by Berlin, Germany's national Institute for Materials Research and Testing (BAM) . In addition, in order to have the best corrosion resistance only when the material is in the right state of metallurgy and guarantee clean conditions.
Minimum Order Quantity: 10 Kg
Product Brochure
| Usage/Application | Industrial |
| Grade | 926 |
| Shape | Round |
| Brand | Imported |
| Type | Bar |
| Material Grade | Inconel 926 |
| Material | inconel 8926 also known as 6%Moly |
| Single Piece Length | 6 meter, 3 meter |
| Usage | Manufacturing |
| Size | 10mm to 250mm |
Incoloy 926 Round Bar (UNS N08926 / W.Nr. 1.4529) is a super-austenitic stainless steel bar with exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking (SCC) in chloride-bearing environments. It is commonly referred to as Alloy 926 and belongs to the family of high-alloyed, nickel-iron-chromium stainless steels designed for harsh chemical, marine, and industrial environments.
Incoloy 926 is essentially an upgraded version of Alloy 904L, with higher molybdenum (6–7%) and nitrogen additions, providing enhanced resistance to aggressive media such as seawater, brines, sulfuric acid, and phosphoric acid.
Round bars of Incoloy 926 are widely used in:
Marine engineering (seawater cooling systems, desalination plants)
Chemical process industry (tanks, heat exchangers, evaporators)
Pollution control equipment
Oil & Gas extraction and refining
Pulp & paper industry
The superior corrosion resistance of Alloy 926 comes from its carefully balanced chemical composition:
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 24.0 – 26.0 |
| Chromium (Cr) | 19.0 – 21.0 |
| Molybdenum (Mo) | 6.0 – 7.0 |
| Copper (Cu) | 0.5 – 1.5 |
| Nitrogen (N) | 0.15 – 0.25 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 0.5 |
| Carbon (C) | ≤ 0.020 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.010 |
| Iron (Fe) | Balance |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 650 MPa |
| Yield Strength (0.2% offset) | ≥ 300 MPa |
| Elongation | ≥ 35% |
| Hardness (Brinell) | ≤ 290 HB |
| Impact Toughness | Excellent at room & sub-zero temperatures |
Density: 8.1 g/cm³
Melting Range: 1350 – 1390 °C
Specific Heat Capacity (20°C): 450 J/kg·K
Thermal Conductivity (100°C): 11 W/m·K
Electrical Resistivity (20°C): 0.95 µΩ·m
Elastic Modulus: ~195 GPa
Thermal Expansion (20–100 °C): 14.5 µm/m·K
Chemical Composition Testing (Spectrometry)
Mechanical Testing (Tensile, Yield, Hardness)
Corrosion Testing (ASTM G48 Pitting Test)
Non-Destructive Testing (Ultrasonic, Eddy Current)
Microstructure Analysis (Ferrite-Austenite balance)
Dimensional Inspection (Tolerances, Surface Finish)
Heat Treatment: Solution annealing at 1100–1150 °C + rapid quenching.
Welding: Good weldability using filler metals like Alloy 926 / Alloy 59. Pre- and post-weld heat treatment not usually required.
Machinability: Similar to 904L, requires slow speeds, rigid tooling, and sharp carbide tools.
Additional Information:
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