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China Manufacturer Special Steel Nickel Alloy High Quality Inconel 625 (UNS N06625) for Aviation

Inconel 625 is an alloy grade with a density of 8.4 g/cm3 and a melting point of 1290-1350°C. It has excellent resistance to inorganic acid corrosion and has excellent corrosion resistance to various corrosive media in oxidation and reduction environments.

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Model: Inconel 625 (UNS N06625)
Brand: Ronsco

Inconel 625 is a solid-solution-strengthened nickel-based deformed superalloy with molybdenum and niobium as the main strengthening element. It has excellent corrosion resistance and high oxidation properties. It has good tensile properties and fatigue properties from low temperature to 980°C, and salt resistance. Stress corrosion in foggy atmosphere. It can be widely used in the manufacture of aero-engine parts, aerospace structural parts and chemical equipment.

Similar grades of Inconel625:
NS336 GH3625 GH625 (China), NC22DNb (France), W.Nr.2.4856/ NiCr22Mo9Nb nickel-based alloy (Germany)

This alloy has the following characteristics:

● It has excellent corrosion resistance to various corrosive media in oxidation and reduction environments
● Excellent resistance to pitting and crevice corrosion, and will not produce stress corrosion cracking caused by chloride

● Excellent resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, and mixed acids of sulfuric acid and hydrochloric acid, etc.

● Excellent resistance to corrosion of various inorganic acid mixed solutions

● When the temperature reaches 40℃, it can show good corrosion resistance in various concentrations of hydrochloric acid solution

● Good processability and weldability, no susceptibility to cracking after welding

● Manufacture certification for pressure vessels with a wall temperature of -196~450℃

● Certified by the American Society of Corrosion Engineers NACE Standard (MR-01-75) to meet the highest standard grade VII for use in an acid gas environment

Metallographic structure of Inconel 625

625 is a face-centered cubic lattice structure. When kept at about 650℃ for a long enough time, carbon particles and unstable quaternary phase will be precipitated and will be transformed into a stable Ni3(Nb,Ti) orthorhombic lattice phase. After solid solution strengthening, the molybdenum and niobium components in the nickel-chromium matrix will improve the mechanical properties of the material, but the plasticity will be reduced.

Corrosion resistance of Inconel 625
Alloy 625 shows excellent corrosion resistance in many media. It has excellent resistance to pitting, crevice corrosion, intergranular corrosion and erosion in chloride media. It has good resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, etc., and also has alkali and organic acid corrosion resistance in oxidation and reduction environments. Effective resistance to chloride ion reductive stress corrosion cracking. There is almost no corrosion in seawater and industrial gas environments, and it has high corrosion resistance to seawater and salt solutions, even at high temperatures. No sensitivity during welding. It is resistant to carbonization and oxidation in static or circulating environments, and is resistant to corrosion by chlorine-containing gases.

Inconel 625 application range application areas are:
The softened and annealed low-carbon alloy 625 is widely used in the chemical process industry. Its good corrosion resistance and high strength enable it to be used as a thinner structural part. Alloy 625 can be used in situations where it is exposed to seawater and subjected to high mechanical stress. Typical application areas:

● Components of organic chemical processes containing chlorides, especially where acid chloride catalysts are used

● Used in the manufacture of digesters and bleaching tanks in the pulp and paper industry

● Absorption tower, reheater, flue gas inlet baffle, fan (wet), stirrer, baffle and flue in the flue gas desulfurization system

● Used to manufacture equipment and components used in acid gas environments

● Acetic acid and acetic anhydride reaction generator

● Sulfuric acid condenser

Product NameInconel 625 (UNS N06625)  Pipes , Plates, Tubes, Sheets
Type Seamless / Welded
ShapeSquare / Rectangular / Round
Grade Stainless steel 304 / 304L / 310S / 316L / 317L / 904L / 2205 / 2507 / 32760 / 253MA / 254Mo / S31803 / S32750 / S32205 etc
Monel 400 / Monel K-500 
Inconel 600 / Inconel 601 / Inconel 625 / Inconel 617 / Inconel 690 / Inconel 718 / Inconel X-750
Incoloy A-286 / Incoloy 800 / Incoloy 800H / Incoloy 800HT
Incoloy 825 / Incoloy 901 / Incoloy 925 / Incoloy 926
Nimonic 75 / Nimonic 80A / Nimonic 90 / Nimonic 105 / Nimonic 263 / Nimonic L-605
Hastelloy B / Hastelloy B-2 / Hastelloy B-3 / Hastelloy C / Hastelloy C-276 / Hastelloy C-22
Hastelloy C-4 / Hastelloy C-200 / Hastelloy G-35 / Hastelloy X / Hastelloy N
Austenitic stainless steel 904L / XM-19 / 316Ti / 316LN / 371L / 310S / 253MA
DP steel 254SMo / F50 / 2205 / 2507 / F55 / F60 / F61 / F65 
PH stainless steel 15-5PH / 17-4PH / 17-7PH 
Out diameter Seamless Pipe 6MM - 1174MM or customized
Welded Pipe 1.9mm - 5000mm or customized
ThicknessSeamless Pipe 1mm - 80mm or customized
Welded Pipe 0.5mm - 80mm or customized
Max Length Seamless Pipe 12000mm or customized
Welded Pipe 50000mm or customized
Finish 2B, Pickling, polished, brushed, sandblast, BA, EP,
Packing waterproof polybag, wooden box, end cap, wooden crame/pallet
Inspection TUV,SGS,BV,ABS,LR and so on
Application Chemical, Pharmaceutical & Bio-Medical, Petrochemical & Refinery, Environmental, Food Processing, Aviation, Chemical Fertilizer, Sewage Disposal, Desalination, Waste Incineration etc.
Processing Service Machining : Turning / Milling / Planing / Drilling / Boring / Grinding / Gear Cutting / CNC Machining 
Deformation processing :  Bending / Cutting / Rolling / Stamping 
Delivery Time7-40 days
Payment T/T, L/C,D/A,D/P, Western Union,MoneyGram,According to customer requirements payments for offline orders.
TransportationBy air, by sea, by train, by truck
WarrantyTrade assurance after sales service

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