Incoloy 825 washers are high-performance corrosion-resistant fasteners engineered to maintain secure joints and prevent leaks in aggressive chemical and high-temperature environments. As a premier manufacturer and supplier, Renine Metalloys provides these nickel-iron-chromium washers with added molybdenum and copper to reliably hold clamping loads up to 1,000°F (538°C) in oil, gas, offshore, and chemical processing units where saltwater, chlorine ions, and sulfuric compounds degrade standard fasteners.
DIN 2.4858 Incoloy ASME SB424 Ogee Washers in Mumbai, India, ASTM B424 Incoloy 825® Washers, Alloy 825 Plain Washers Dealer, Incoloy Alloy 825 Star Washer, Nickelvac® 825 Industrial Washers, Nicrofer® 4221 Square Washer Suppliers, Incoloy 825 Fasteners, Incoloy 825 Flat Washers, Nickel Alloy UNS N08825 Spring Washer, Distributors of Incoloy Alloy 825 Dock Washers Stockists.
Manufacturing matters as much as composition here. Final hot working typically happens between 1,600°F and 1,800°F (870°C to 980°C), followed by air cooling or faster, since that processing step is what locks in the alloy's corrosion resistance. Beyond standard 825, we also carry Incoloy 800HT and Inconel 600 washers for applications that push past what 825 comfortably handles.
Alloy 825 Tooth Lock Washer, DIN 125 Incoloy Alloy 825® Flat Washers Exporters, Incoloy Gr. 825 Star Washer Manufacturer, Incoloy Alloy 825 Flat Washers, ASTM B424 Nickelvac® 825 Washers, ASME B18.22.1 Incoloy 825 Customized Washer, ISO 7089 Nicrofer® 4221 Washer, Incoloy 825 Tab Washers Wholesaler.
Incoloy 825 Flat Spring Washers offers exceptional corrosion resistance and superior strength compared to traditional stainless steel fasteners. They are commonly used in industries such as engineering, chemical processing, oil & gas production etc., which require high levels of corrosion resistance due to frequent exposure to harsh chemicals like chlorine ions or sulfuric compounds but need strong components that can withstand high temperatures too—making Incoloy 825 an ideal choice for such uses. Different types of products are available, such as Alloy Steel A182 F12 Flanges, Monel K500 Round Bars, etc.
Incoloy 825 Washers
For optimum corrosion resistance in Incoloy 825 Star Washers, final hot working should be done at temperatures between 1600 Degree F and 1800 Degree F (870 Degree C and 980 Degree C). Incoloy 825 Wire Spring Washers is a nickel – iron – chromium alloy with molybdenum and copper added to it, where cooling after hot working should be air cool or faster. Incoloy 825 Flat Spring Washers is used for chemical processing, oil and gas well piping, pollution-control equipment, nuclear fuel reprocessing, pickling equipment, acid production, and so on.
due to frequent exposure to harsh chemicals like chlorine ions or sulfuric compounds but need strong components that can withstand high temperatures too—making Incoloy 825 an ideal choice for such uses. Different types of products are available, such as Alloy Steel A182 F12 Flanges, Monel K500 Round Bars, etc.
What are Incoloy 825 washers, and what are they used for?
Incoloy 825 washers are flat, circular fasteners machined from a corrosion-resistant nickel-iron-chromium alloy, built to is under a bolt or nut and distribute load without breaking down in an acidic or chloride-heavy environment. Chemical processing plants, oil and gas piping systems, and marine installations all specify them for the same underlying reason: a strong, durable connection that doesn't need frequent replacement despite constant exposure to harsh process media.
Advantages of Incoloy 825 washers
Incoloy 825 washers provide higher strength and superior corrosion resistance in difficult situations with high concentrations of sulfuric and phosphoric acids where normal stainless steel fasteners will not work.
- Superior chemical resistance to aggressive sulfuric and phosphoric acid environments.
- Reduced primary joint failure modes i, including stress corrosion, cracking, pitting, and Crevice corrosion. Total protection.
- Greater mechanical strength than conventional stainless steel fasteners so that the clamping force of a tight joint is maintained.
- Long service life and steady reliability save maintenance downtime and replacement cost.
Types of Incoloy 825 washers
Incoloy 825 washers are available in various standard and specialized configurations to suit diverse industrial fastening and load distribution needs.
- Flat washers
- Split washers
- Star washers
- Wire spring washers
- Lock washers
- Custom washers
DIN 127 Incoloy Alloy 825 Fender Washer, UNS N08825 Incoloy Lock Washers, ISO 7090 Incoloy 825 Hexagonal Washer, Incoloy 825 Bevel Washers Exporters,Inconel Alloy 825 Washer, Nickelvac® 825 Washers, Incoloy 825® Slant Washer, Alloy Inconel 825 Washers, Nickel Alloy 825 Plate Washer Suppliers, Werkstoff No 2.4858 Incoloy Countersunk Washers Traders.
Incoloy 825® Washer Specification
Standard ASTM B424 / ASME SB424
Dimensions DIN 125/127, ISO 7089/7090, ASME B18.22.1
Type Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling
Size M02 to M33
Length 3 mm to 200 mm
Get QuoteIncoloy Alloy 825 Washers Equivalent Indian Standard
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Alloy 825 | N08825 | 2.4858 | NC22DNB4M | NiCr22Mo9Nb | NCF 825 | NA 21 | ЭП703 | ЭИ602 |
ASTM B424 Incoloy Gr 825 Washers Chemical Composition
| Grade | C | Mn | Si | S | Al | Ti | Fe | Ni | Cr |
| Incoloy 825 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.40 max | 0.40 max | 5.0 max | 58.0 min | 20.0 - 23.0 |
ASME B424 Incoloy 825 Washers Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi - 1,35,000 , MPa -930 | Psi - 75,000 , MPa - 517 | 42.5 % |
Other Types of Incoloy 825 Washers
Incoloy 825 Fasteners, Incoloy 825 Washer, Nickelvac® 825 Washer Suppliers, Nicrofer® 4221 Washers Exporters, ASTM B424 Incoloy Alloy 825 Flat Washer, Nickel Alloy UNS N08825 Lock Washers, Incoloy 825® Finishing Washers, ASME SB424 Alloy 825 Bonded Sealing Washer, Nickel Alloy 825 Hillside Washers, Incoloy Alloy 825 Belleville Washers, UNS N08825 Incoloy® Industrial Washers, Incoloy 825 Conical Washers, DIN 2.4858 Incoloy Round-Mall Washers, 825 Incoloy® Wave Washers, Werkstoff No 2.4858 Fender Washers, Incoloy 825 Tooth Washer, Incoloy Fasteners, Incoloy Washers, Alloy 825 Internal Tooth Lock, Incoloy Alloy 825 External Tooth Lock, Incoloy 825® Plain Washers Exporter, ASME SB424 825 Incoloy Flat plain Washers, Incoloy 825® Square Washers Supplier, Incoloy 825 Dome Plain Washers, Incoloy 825 Countersunk Washers, Incoloy 825® Dock Washers, Incoloy 825® Ogee Washers, Nickelvac® 825 Bevel Washers Stockist, Alloy 825 USS flat washers, Nicrofer® 4221 SAE flat washer, B424 Incoloy 825 Split Lock Washers, Nickel Alloy UNS N08825 Spherical Washer, Incoloy 825 Spring Washer, Incoloy 825® Slant Washer, Incoloy Alloy 825® Custom Washer Stockists, Incoloy 825 Star Washers Stockists, ASTM B424 Incoloy 825 Tab Washer, Incoloy® 825 Double Tab Washers Traders, Nickelvac® 825 one Tab Washers Dealer, Incoloy 825 Taper Washers, ASME SB424 Incoloy Grade 825 Round Washers, Nicrofer® 4221 Square Plate Washer, Incoloy 825 Dome Tooth Washer Stockholder, Incoloy 825® Torque Washers, Supplier of High Quality Incoloy Alloy 825 phenolic Washers, Manufacturer of Incoloy 825® split Washers Traders, Exporters of Incoloy 825 Special Washers, Incoloy 825® Hex Washers Dealer, Incoloy 825 Customized Washer Stockholders, DIN Standard Incoloy 825 Washers, ANSI Standard Incoloy 825 Washer, BS Standard Incoloy 825® Washers, ISI Standard Incoloy Alloy 825 Washer, ISO Standard Incoloy 825 Washers.
Trade Names and Owners of Nickel Alloys
HASTELLOY is a registered trade name of Haynes Intl.
INCOLOY, INCONEL, MONEL and NIMONIC are registered trade names of the INCO family of
companies.
INVAR is a registered trademark of Imphy S.A.
MU-METAL is a registered trademark of Telcon Metals Ltd
NICORROS and NICROFER are registered tradenames of Krupp UM GmbH
RENE 41® is a Registered Trade Mark of General Electric Inc.
WASPALOY® is a Registered Trademark of United Technologies Corp.
NITRONIC® is a registered Trade Mark of AK Steel Corporation
ZERON® is a registered trademark of RA Materials
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We are Suppliers and Exporters of Incoloy 825 Washers in Countries Like
cyprus, Estonia, Yemen, Poland, Indonesia, Afghanistan, New Zealand, Japan, Kazakhstan, brazil, Chile, Italy, Kenya, Vietnam, Netherlands, Bhutan, Mongolia, Bolivia, Puerto Rico, Ecuador, Russia, Bangladesh, Lebanon, Belgium, Ireland, Ukraine, Morocco, Norway, Thailand, South Africa, Egypt, France, Qatar, Hungary, Costa Rica, Greece, mexico, srilanka, thailand, malaysia, Malaysia, Ghana, Belarus, Trinidad & Tobago,Tunisia, Nigeria, Tibet, Saudi Arabia, Sri Lanka, Austria, Gambia, Denmark, Namibia, Canada, United Kingdom, Finland, Serbia, Venezuela, Peru, Kuwait, Colombia, Mexico, Lithuania, Slovakia, Spain, China, Brazil, Gabon, Chile, Turkey, Oman, Mexico, Libya, Croatia, South Korea, Nepal, Hong Kong, Bahrain, United States, Poland, Germany, Romania, Philippines, Czech Republic, Nigeria, United Arab Emirates, Singapore, Jordan, Taiwan, Azerbaijan, India, Israel, Switzerland, Algeria, Sweden, Zimbabwe, Macau, Argentina, Bulgaria, Portugal, Australia.
Frequently Asked Questions
The combination of molybdenum and copper added to a nickel-iron-chromium base gives it targeted resistance to sulfuric acid and chloride environments that other alloys don't match as well.
No, it's a non-magnetic austenitic alloy, which matters in applications where magnetic interference needs to stay minimal.
Chemical processing, oil and gas, pollution control, nuclear fuel reprocessing, and acid production all rely on them regularly.
Exact conditions determine service life but they will always outlast conventional stainless steel washers in acid or chloride situations.
Yes, you prevent the potential galvanic corrosion problems of mixing different metals by using matching-grade fasteners.
