URL: /flat-washers-stainless-steel-iso-din
ISO DIN Stainless Steel Flat Washers for Heavy-Duty Fastening
Our stainless steel flat washers are manufactured to ISO, DIN, ASTM, and other international standards, available in sizes M2.5 through M45. Choose from 304, 316, duplex, or nickel alloys for applications requiring high tensile strength and corrosion resistance, especially in petrochemical, marine, and power generation industries.
Image: Stainless steel flat washers
Key Features
- Compliance with ISO, DIN, ASTM, ASME, ANSI, JIS standards – ensures interchangeability and reliability
- Material options from 304/316 stainless steel to duplex and nickel-based alloys – tailored to corrosive or high-temperature environments
- Full range of sizes from M2.5 to M45 – meets diverse fastening requirements
- Strict pre-delivery inspection and stable quality – consistent performance
- Flexible OEM service – custom dimensions and packaging available
Technical Specifications
| Parameter | Value |
|---|
| Dimension Range | M2.5 – M45 |
| Standards | ISO, DIN, ASTM, ASME, ANSI, JIS |
| Materials | 304, 316, duplex steel, nickel-based high-temp alloys |
| Applicable Industries | Petrochemical, power generation, aerospace, marine, automotive, etc. |
Models and Options
Available in standard flat washer dimensions per DIN 125 / ISO 7089, with custom sizes upon request. Material grades include 304, 316, UNS S32205 duplex, 1.4571/316Ti, and more.
Materials and Structure
Made from selected stainless steel and high-performance alloys, these washers feature a flat circular design with a central hole, providing uniform load distribution and protecting the workpiece surface.
Applications
Widely used in petrochemical plants, power generation facilities, marine and offshore equipment, aerospace assemblies, automotive chassis, and construction projects where reliable fastening is critical.
Customization
Custom sizes, materials, and packaging are available through OEM service. Contact us for detailed requirements.
Case Study
Supplied 100,000 pcs stainless steel flat washers to industrial equipment OEM manufacturers and engineering contractors in Germany, Italy, Korea, and Japan for fastening assemblies in aerospace parts, marine equipment, automotive chassis, and power generation facilities. Our washers have been used for over 10 years, greatly reducing maintenance replacement costs and ensuring stable project operation.
FAQ
Q: What materials are available for these washers?
A: We offer 304, 316 stainless steel, duplex steel (e.g., UNS S32205), and nickel-based high-temperature alloys (e.g., 718, A286).
Q: What sizes do you cover?
A: We cover M2.5 to M45 in standard ranges, and we can customize other sizes upon request.
Q: Do you comply with international standards?
A: Yes, we manufacture to ISO, DIN, ASTM, ASME, ANSI, and JIS standards.
Q: Can you provide OEM service?
A: Yes, we offer flexible OEM service, including custom dimensions, materials, and packaging.
Q: What industries use these washers?
A: Petrochemical, power generation, aerospace, automotive, marine & offshore, construction, industrial machinery, and more.
Q: What is your quality assurance?
A: We perform strict pre-delivery inspections and have ISO 9001, ISO 14001, and ISO 45001 certifications.
Q: How long is your production lead time?
A: Lead time varies by order; please contact us for specifics.
Inquiry Information
