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Material grade: Incoloy 926 (N08926) nickel-based alloy
US grade: UNS N08926
I. Overview of Incoloy 926 (N08926) nickel-based alloy:
The Cr content in Incoloy 926 (N08926) nickel-based alloy is usually 14.0-18.0%, and the nickel content is 24.0-26.0%. Incoloy 926 (N08926) is a nickel-based alloy containing titanium and aluminum. It contains enough chromium to form and maintain a sufficient amount of chromium oxide to protect it at high temperatures. It is more resistant to high temperatures than traditional chromium nickel stainless steels such as 304 ; Higher nickel content makes it have better oxidation resistance than standard 18-8 stainless steel, and its oxidation resistance is not inferior to the higher grades with use temperature up to 1900 degrees Fahrenheit (1038 ºC) alloy.
2. Chemical composition of Incoloy 926 (N08926) nickel-based alloy: see Table-1:
Table-1 %
| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
| 0.04 | 0.75 | 1.50 | 0.030 | 0.015 | 14.0-18.0 | 26.0-30.0 | 2.50-3.50 | 3.50-5.50 |
| Other | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ |
| 0.15-0.25 | 0.30 | 1.50-2.30 | balance | - | - | - | - |
3. Physical properties of Incoloy 926 (N08926) nickel-based alloy:
a. Density of Incoloy 926 (N08926) nickel-based alloy: 8.1 g / cm3. ,
b. Incoloy 926 (N08926) nickel-based alloy melting point: 1320-1390 ºC.
c. Incoloy 926 (N08926) the minimum value of the mechanical properties of the alloy at room temperature:
(1) Incoloy 926 (N08926) tensile strength 650Rm N / mm2.
(2) Incoloy 926 (N08926) yield strength 295 RP0.2 N / mm2.
(3) Incoloy 926 (N08926) elongation A5%: 35.
4, the main characteristics of Incoloy 926 (N08926) nickel-based alloy:
a. Incoloy 926 (N08926) has high resistance to pitting and crevice corrosion in halide media and acid media containing H2S.
b. It can effectively resist chloride ion stress corrosion cracking in practical application.
c. Excellent corrosion resistance to various corrosion in ordinary oxidation and reduction environment.
d. Compared with Cronifer 1925 LC-Alloy 904 L, the mechanical properties are greatly improved.
e, compared with the same series of nickel content of 18% of the metallurgical stability has been greatly improved.
f. Applicable certification for pressure vessel manufacturing (VdTUV-196 ~ 400 ºC and ASME certification).
5. Application scope of Incoloy 926 (N08926) nickel-based alloy Application fields:
Incoloy 926 (N08926) alloy is a versatile material that can be used in many industrial fields:
a. Fire-fighting systems, seawater purification systems, hydraulic and irrigation pipeline systems in marine engineering.
b. Bleaching pond in cellulose pulp production.
c. Polished rods in corrosive oil wells.
d. Hose system in marine engineering.
e. Pipes, joints and air flow systems in acid gas production.
f. Components in FGD system.
g. Evaporators, heat exchangers, filters, mixers, etc. in phosphoric acid production.
h. Sulfuric acid separation and condensation system.
6, Incoloy926 specifications and supply status:
a. Classification: It can produce various specifications of Incoloy926 seamless pipe, Incoloy926 steel plate, Incoloy926 round steel, Incoloy926 forging, Incoloy926 flange, Incoloy926 ring, Incoloy926 welded pipe, Incoloy926 steel strip, Incoloy926 wire and supporting welding materials.
b. Delivery status:
seamless tube: solid solution + acid white, length can be fixed;
plate: solid solution, pickling, trimming;
welded tube: solid solution acid white + RT% flaw detection,
forging: annealing + turning;
The bar is forged and rolled, the surface is polished or turned;
the strip is delivered by cold rolling, solid solution softening, and descaling;
the wire is finely ground by solid solution pickling, disc or straight strip, and solid solution straight strip. Light state delivery.
2.
| Chemical Composition(%) | |||||||||||
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu | |
| 201 | ≤0.15 | ≤0.75 | 5.5~7.5 | ≤0.060 | ≤0.03 | 16.00~18.00 | 3.5~5.5 | - | - | 0.08 | 1.5 |
| 202 | ≤0.15 | ≤1.00 | 7.5~10.00 | ≤0.060 | ≤0.03 | 17.00~19.00 | 4.0~6.0 | - | ≤0.25 | ||
| 301 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00~18.00 | 6.00~8.00 | - | |||
| 302 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 17.00~19.00 | 8.00~10.00 | - | |||
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00~20.00 | 8.00~10.50 | - | |||
| 304L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18.00~20.00 | 9.00~13.00 | - | |||
| 310S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 24.00~26.00 | 19.00~22.00 | - | |||
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00~18.00 | 10.00~14.00 | 2.00~3.00 | |||
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16.00~18.00 | 12.00~15.00 | 2.00~3.00 | |||
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17.00~19.00 | 9.00~13.00 | - | |||
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.03 | 16.00~18.00 | - | ||||
| 2205 | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.015 | 22.00~23.00 | 4.5~6.5 | 2.5~3.5 | |||
| 2507 | ≤0.03 | ≤0.08 | ≤1.20 | ≤0.035 | ≤0.015 | 24.00~26.00 | 6.00~8.00 | 3.0~5.0 | |||
| 904L | ≤0.02 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.035 | 19.00~23.00 | 23.00~28.00 | 4.0~5.0 | 1.0~2.0 | ||
| INCONEL 028 |
≤0.03 | ≤1.00 | ≤2.50 | ≤0.030 | ≤0.030 | ≤28.0 | ≤34.0 | ≤4.0 | ≤1.4 | ||
| MONEL 400 |
≤0.30 | ≤0.5 | ≤2.00 | - | ≤0.024 | - | ≥63.0 | - | ≤34.0 | ||
| INCONEL 800 |
≤0.10 | ≤1.00 | ≤1.50 | - | ≤0.015 | ≤23.0 | ≤35 | 4.0~5.0 | - | ≤0.75 | Ti≤0.6 Al≤0.6 |
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