Incoloy 825
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Incoloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. This nickel steel alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments. It is similar to alloy 800 but has improved resistance to aqueous corrosion. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localized attack such as pitting and crevice corrosion.
Incoloy 825 Trade Name: Alloy 825;UNS N08825; W.Nr.2.4858;
Incoloy 825 Chemical composition:
|
Alloy |
% |
Ni |
Cr |
Fe |
C |
Mn |
Si |
Cu |
Mo |
Al |
Ti |
P |
S |
|
825 |
Min. |
38 |
19.5 |
balance |
1.5 |
2.5 |
1.0 |
0.6 |
|||||
|
Max. |
46 |
23.5 |
balance |
0.05 |
1 |
0.5 |
3 |
3.5 |
0.2 |
1.2 |
0.02 |
0.03 |
Incoloy 825 Physical properties
|
Density |
8.1 g/cm³ |
|
Melting point |
1370-1400℃ |
Incoloy 825 minimum mechanical properties in the room temperature
|
Alloy state |
Tensile strength Rm N/mm² |
Yield strength RP0. 2 N/mm² |
Elongation A5 % |
Brinell hardness HB |
|
825 |
550 |
220 |
30 |
≤200 |
Incoloy 825 Specification
| Rod | Sheet | Strip | Pipe | Wire | Fittings |
| ASME SB 408, ASME SB 564 BS 3076NA15 BS 3075NA15 SEW 470 VdTÜV 412 & 434 DIN 17460 EN 10095 |
ASTM A 240/A 480 ASME SA 240/SA 480 ASTM B 409/B 906, BS 3072NA15 BS 3073NA15 SEW 470, VdTÜV 412 & 434 ,DIN 17460 EN 10028-7 & EN 10095 |
ASME SB 409/SB 906 ASME Code Case 1325 ASME Code Case 2339 |
ASTM B 163, ASME SB 163, ASTM B 407/B 829, ASME SB 407/SB 829, ASTM B 514/B 775, ASME SB 514/SB 775, ASTM B 515/B 751, ASME SB 515/SB 751, ASME Code Case 1325 and 1983, BS 3074NA15, SEW 470 VdTÜV 412 & 434 ISO 6207, DIN 17459 |
ASTM B 408 & ASTM B 564 & ASME Code Case 1325 ASME Code Case 1949 ISO 9723 ISO 9724 ISO 9725 |
ASTM B 366 ASME SB 366 |
Incoloy 825 Appication Filed:
1.825 widely use in many kinds of industry field that the working temperature no more than 550℃.
2.Sulfuric acid factory usage for heating pipe, container, basket,chain and so on.
3.Cooling heat exchanger, marine product pipeline system and gas pipeline of acidic environment.
4.Heat exchanger, steam machine, washing, impregnation pipe, etc. for phosphoric acid produce.
5.Oil refining in the air heat exchanger
6.Food project
7.Chemical process
8.Application of high pressure oxygen flam-retardant alloy
