Incoloy25-6Mo Inconel 926 DIN 1.4529 UNS N08926 Alloy 926 Nickel Alloy Fasteners
1.Description
Alloy 926 is a super-austenitic molybdenum stainless steel that exhibits excellent resistance to a variety of highly corrosive environments. The combination of molybdenum and nitrogen in its composition resists pitting and crevice corrosion, while copper improves sulfuric acid resistance, and nitrogen improves yield and tensile strengths.
The following datasheet will provide more details about alloy 926.
Chemical Composition
The following table shows the chemical composition of alloy 926.
| Element | Content (%) |
| Iron, Fe | 41.69 - 50.35 |
| Nickel, Ni | 24-26 |
| Chromium, Cr | 19-21 |
| Molybdenum, Mo | 6-7 |
| Manganese, Mn | ≤2 |
| Copper, Cu | 0.5-1.5 |
| Silicon, Si | ≤0.5 |
| Nitrogen, N | 0.15-0.25 |
| Phosphorous, P | ≤0.03 |
| Carbon, C | ≤0.02 |
| Sulfur, S | ≤0.01 |
Physical Properties
The physical properties of alloy 926 are outlined in the following table.
| Properties | Metric | Imperial |
| Density | 8.03 g/cm³ | 0.29 lb/in³ |
Mechanical Properties
The mechanical properties of alloy 926 are outlined in the following table.
| Properties | Metric | Imperial |
| Tensile strength | ≥648 MPa | ≥94000 psi |
| Yield strength | ≥296 MPa | ≥43000 psi |
| Modulus of elasticity | 192 GPa | 27800 ksi |
| Elongation at break | ≥35 % | ≥35 % |
| Rockwell B hardness | ≤86 | ≤86 |
Applications
The following are some of the major applications of alloy 926:
- Desalinization systems
- Pulp and paper industry
- Food processing equipment
- Chemical processing plant
- Offshore oil and gas production
- Power generation
2. Mechanical Properties
| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) | 7.8 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 515 | 25 | annealed (sheet, strip) more |
| Yield Strength (Mpa) | 275 |
| Elongation (%) | 40 |
| Reduction in Area (%) | |
Thermal Properties
| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) | 17.5 | 0-100 more | |
| Thermal Conductivity (W/m-K) | 16.2 | 100 more | |
| Specific Heat (J/kg-K) | 500 | 0-100 | |
Electric Properties
| Properties | Conditions |
| T (°C) | Treatment |
| Electric Resistivity (10-9W-m) | 690 | 25 |
High temperature alloy refers to iron, nickel, cobalt as base, can in the 600-1200 ℃ high temperature and must stress under the action of a kind of metal materials long-term work; And it has higher temperature strength, good resistance to oxidation and corrosion resistance, good fatigue performance, the fracture toughness, and other comprehensive performance. High temperature alloy for a single austenitic organization, in all kinds of temperature has good stability and reliability of the organizations use, based on these properties, and high temperature alloy alloying degree is higher, also called "super alloys", it is widely used in aviation, spaceflight, petroleum, chemical industry, ships is a kind of important material. According to the matrix element to points, high temperature alloy and divided into iron base, nickel and cobalt base, high temperature alloy etc. Iron base high temperature alloy using temperature normally only up to 750 ~ 780 ℃, in the higher temperature of the heat used parts, used the nickel and refractory metal based
Characteristics:
1;High temperature alloy with high temperature strength.
2;Good resistance to oxidation and corrosion resistance performance.
3;Good fatigue performance, the fracture toughness, plastic.
Organizational characteristics:
High temperature alloy for a single (austenitic) matrix organization, in all kinds of temperature has good stability and reliability of the organization to use.
High temperature alloy quality requirements:
External quality: external contour shape, size accuracy, the surface defect cleaning method.
Internal quality: chemical composition, structure, mechanical and physical and chemical properties.
Mechanical properties: room temperature and high temperature tensile properties and impact toughness, high temperature lasting several creep properties, hardness and high weeks and weeks, creep, fatigue performance under the mutual action of fatigue and the mechanical properties, thermal and corrosion resistance to oxidation.
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UNS N08926 Alloy 926 Nickel Alloy Fasteners Incoloy 25 6mo DIN 1.4529 Images
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