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825 corrosion resistant alloy You are here: Home — 825 Corrosion Resistant Alloy

Incoloy 825 (American Standard UNS N08825 / German Standard W.Nr.2.4858)
Incoloy 825 chemical composition:
alloy
%
nickel
chromium
iron
carbon
manganese
silicon
copper
molybdenum
aluminum
titanium
phosphorus
sulfur
825
Smallest
38
19.5
margin
1.5
2.5
0.6
maximum
46
23.5
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 solid solution state, mechanical properties of the alloy at room temperature:
Alloys and states
Tensile strength σb (Mpa)
Yield strength σ0.2 (Mpa)
Elongation
A5%
hardness
Hv
825
≥550
≥220
≥30
≤200
This alloy has the following characteristics:
825 alloy is a general-purpose engineering alloy with good oxidation resistance and non-oxidizing hot acid properties. It has good mechanical properties at room temperature and high temperatures up to 550 กใ C. It has resistance to acid and alkali corrosion in both oxidizing and reducing environments. The high nickel content makes the alloy effective resistance to stress corrosion cracking. Good corrosion resistance in various media, such as sulfuric acid, phosphoric acid, nitric acid and organic acids, alkali metals such as sodium hydroxide, potassium hydroxide and hydrochloric acid solutions. The higher comprehensive performance of alloy 825 is manifested in nuclear combustion dissolvers with various corrosive media, such as sulfuric acid, nitric acid and sodium hydroxide are processed in the same equipment
Metallographic structure of Incoloy 825:
825 is a face-centered cubic lattice structure
Incoloy 825 Application areas Application areas are:
1.Heating tubes, containers, baskets and chains for sulfuric acid pickling plants
2.Seawater cooling heat exchanger, marine product pipeline system, acid gas environment pipeline
3. Heat exchangers, evaporators, washing, dipping tubes, etc. in phosphoric acid production
4.Air heat exchanger in petroleum refining
5.Roller of heat treatment furnace
6. Chemical process
7. Flame retardant alloy for high pressure oxygen applications
Varieties of products produced by our company:
Cold and hot plate, strip, pipe, wire, forged rod, hot rolled rod, machined product
Copyright ? 2013 Jiangsu Xinhua Alloy Co., Ltd. Copyright Statement Su ICP No. 14001587
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