N08926. also known as Alloy 926. is a nickel-iron-chromium-molybdenum (Ni-Fe-Cr-Mo) alloy that belongs to the family of superaustenitic stainless steels. It is designed to provide exceptional corrosion resistance, particularly in environments with strong acids, hypochlorite solutions, and marine atmospheres.
N08926. also known as Alloy 926. is a nickel-iron-chromium-molybdenum (Ni-Fe-Cr-Mo) alloy that belongs to the family of superaustenitic stainless steels. It is designed to provide exceptional corrosion resistance, particularly in environments with strong acids, hypochlorite solutions, and marine atmospheres.
National rules model：
Unified Numbering System (UNS): N08926
ASTM: UNS N08926
Chemical Composition:
Nickel (Ni): 39.0-44.0%
Iron (Fe): Balance
Chromium (Cr): 20.0-24.0%
Molybdenum (Mo): 5.0-6.5%
Copper (Cu): 1.5-3.0%
Manganese (Mn): ≤1.0%
Silicon (Si): ≤0.50%
Phosphorus (P): ≤0.03%
Sulfur (S): ≤0.02%
Carbon (C): ≤0.02%
Physical Properties:
Density: Approximately 8.2 g/cm³
Melting Point: Around 1360-1420°C
Thermal Expansion Coefficient: 13.7 x 10⁻⁶ /°C (at room temperature)
Mechanical Properties）:
Tensile Strength: 630-830 MPa
Yield Strength: 280-450 MPa, depending on temper
Elongation: 30-50%
Hardness: Approximately 160-240 HV
Application Areas:
Chemical Processing: Used in chemical equipment, reactors, and piping systems that handle highly corrosive chemicals.
Marine Applications: Suitable for marine environments due to its excellent resistance to pitting and crevice corrosion.
Pulp and Paper Industry: Resistant to the corrosive conditions in paper bleaching processes.
Waste Water Treatment: Used in components that are exposed to hypochlorite solutions.
Food Processing: Offered for use in equipment that handles acidic or chloride-containing foods where high resistance to stress corrosion cracking is required.
Desalination Plants: Employed in heat exchangers and other equipment due to its corrosion resistance to saline solutions.
N08926 is prized for its exceptional corrosion resistance and mechanical properties, making it a popular choice in demanding environments. The specific chemical composition, physical, and mechanical properties may vary depending on the source and manufacturing process, so the information provided is intended for general guidance.
| STS | USA | UNS | CHINA | EURONORM | RUSSIA | SWEDISH | JAPANESE | |
|---|---|---|---|---|---|---|---|---|
| GRADE | AISI/ASTM | NO | GB | NO | NAME | GOST | SS | JIS |
| 201 | 201 | S20100 | 12Cr17Mn6Ni5N | 1.4372 | - | - | - | SUS 201 |
| 301 | 301 | S30100 | 12Cr17Ni7 | 1.4310 | X 12 CrNi 17 7 | - | 2331 | SUS 301 |
| 303 | 303 | S30300 | 1Cr18Ni9MoZr | 1.4305 | X 10 CrNiS 18 9 | - | 2346 | SUS 303 |
| 304 | 304 | S30400 | 06Cr18Ni9 | 1.4301 | X 6 CrNi 18 10 | 08KH18N10 06KH18N11 |
2332 | SUS 304 |
| 304L | 304L | S30403 | 022Cr19Ni10 | 1.4307 | X 3 CrNi 18 10 | 03KH18N11 | 2352 | SUS 304L |
| 316 | 316 | S31600 | 0Cr17Ni12Mo2 | 1.4401 | X 6 CrNiMo 17 12 2 | - | 2347 | SUS 316 |
| 316L | 316L | S31603 | 022Cr17Ni12Mo2 | 1.4404 | X 3 CrNiMo 17 12 2 | - | 2348 | SUS 316L |
| 316Ti | 316Ti | S31635 | 0Cr18Ni12Mo2Ti | 1.4571 | X 6 CrNiMoTi 17 12 2 | 08KH17N13M2T 10KH17N13M2T |
2350 | - |
| 321 | 321 | S32100 | 0Cr18Ni11Ti | 1.4541/1.4878 | X 6 CrNiTi 18 10 | 12KH18N10T | 2337 | SUS 321 |
| 347 | 347 | S34709 | 0Cr18Ni11Nb | 1.4550 | X 6 CrNiNb 18 10 | - | 2338 | SUS 347 |
| 309S | 309S | S30908 | 0Cr23N13 | 1.4833 | X 6 CrNi 22 13 | 20KH23N18 | - | SUS 309S |
| 310S | 310S | S31008 | 06Cr25Ni20 | 1.4842 | X 6 CrNi 25 20 | 20KH25N20S2 | 2361 | SUS 310S |
| 416 | 416 | S41600 | Y1Cr13 | 1.4005 | X12CrS13 | - | 2380 | SUS 416 |
| 2205 | 2205 | S32205/S31803 | 00Cr22Ni5Mo3N | 1.4462 | X2CrNiMoN22-5-3 | 02Ch22N5AM2 | 2377 | SUS 329J3L |
| 2507 | 2507 | S32750 | 00Cr25Ni7Mo4N | 1.4410 | X 2 CrNiMoN 25-7-4 | - | - | - |
| 904L | 904L | N08904 | - | 1.4539 | - | - | - | - |
| 254SMO | 254SMO | S31254 | - | 1.4547 | X1CrNiMoCuN20-18-7 | - | 2378 | - |
| 253MA | 253MA | S30815 | - | 1.4835 | X9CrNiSiNCe21-11-2 | - | 2368 | - |
| 17-4PH/630 | 17-4PH/630 | S17400 | 0Cr17Ni4Cu4Nb | 1.4542 | X5CrNiCuNb16-4 | 05Ch16N4D2B | - | SUS630 |
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