ANSI ASME B18.22.1 304 Stainless Steel Flat Washer
ANSI ASME B18.22.1 304 stainless steel flat washer is a precision fastening accessory designed for load distribution, surface protection, and reliable bolted joint performance. The ANSI ASME B18.22.1 304 stainless steel flat washer is manufactured from high-quality 304 stainless steel and complies with American dimensional standards for general-purpose flat washers.
The ANSI ASME B18.22.1 304 stainless steel flat washer provides excellent corrosion resistance, stable mechanical properties, and long service life. It is widely used in construction, machinery, automotive systems, electrical equipment, and industrial assemblies where reliable fastening performance is required.

Product Overview
The ANSI ASME B18.22.1 304 stainless steel flat washer is engineered to distribute clamping loads evenly across the surface of bolted connections. It helps prevent damage to assembled components and improves joint stability by increasing the bearing area between fasteners and workpieces.
Manufactured from 304 stainless steel, the ANSI ASME B18.22.1 304 stainless steel flat washer offers excellent resistance to rust, oxidation, and common environmental exposure. It is suitable for applications requiring clean appearance, durability, and consistent performance.
As a widely used industrial fastener accessory, it is commonly supplied to OEM manufacturers, distributors, construction contractors, and equipment builders.
Product Specifications
| Item | Description |
|---|---|
| Standard | ANSI ASME B18.22.1 |
| Product Name | 304 Stainless Steel Flat Washer |
| Material | 304 Stainless Steel |
| Washer Type | American Standard Flat Washer |
| Shape | Round Flat Washer |
| Standard System | Inch / Imperial |
| Size Range | #2 to 3 inch (Customized available) |
| Inner Diameter | According to ANSI ASME B18.22.1 |
| Outer Diameter | According to ANSI ASME B18.22.1 |
| Thickness | According to standard requirements |
| Surface Finish | Natural Stainless Steel |
| Packaging | Bulk / Box / OEM Packaging |
| Customization | Size, thickness, packaging available |
Technical Parameters
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel |
| Tensile Strength | Approx. 515 MPa |
| Yield Strength | Approx. 205 MPa |
| Hardness | ≤ HRB 92 |
| Density | Approx. 7.93 g/cm³ |
| Corrosion Resistance | Excellent |
| Temperature Resistance | Suitable for general industrial environments |
| Electrical Properties | Conductive stainless steel material |
| Manufacturing Standard | ANSI ASME B18.22.1 |
Materials and Manufacturing Process
The ANSI ASME B18.22.1 304 stainless steel flat washer is manufactured through precision metal processing to ensure accurate dimensions and reliable performance.
- Raw material selection: High-quality 304 stainless steel sheet or coil
- Stamping process: Precision punching to form washer shape
- Hole forming: Accurate inner diameter processing
- Edge finishing: Removes burrs and sharp edges
- Surface treatment: Cleaning and polishing for stainless appearance
- Inspection: Dimensional accuracy and surface quality testing
- Sorting: Batch consistency verification
- Packaging: Protective packaging for transportation
Each ANSI ASME B18.22.1 304 stainless steel flat washer is produced under strict quality control to ensure compatibility with standard fasteners.
Applications of the Product
The ANSI ASME B18.22.1 304 stainless steel flat washer is widely used in various industries:
- Construction industry: Structural fastening systems
- Automotive industry: Vehicle assembly components
- Machinery manufacturing: Equipment fastening applications
- Electrical equipment: Enclosures and mounting systems
- Marine equipment: Corrosion-resistant fastening applications
- Food processing equipment: Hygienic stainless steel assemblies
- Industrial equipment: General mechanical connections
- Manufacturing systems: OEM assembly solutions
Its corrosion resistance and standardized dimensions make it suitable for many industrial environments.
Why Choose This Product
- ANSI ASME B18.22.1 standard compliance
- Premium 304 stainless steel material
- Excellent corrosion resistance
- Reliable load distribution performance
- Protects surfaces from fastener damage
- Suitable for indoor and outdoor applications
- Stable dimensional accuracy
- Long service life
- OEM customization support
The ANSI ASME B18.22.1 304 stainless steel flat washer provides a dependable solution for American standard fastening systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
- Advanced stainless steel stamping capability
- OEM/ODM customization support
- Stable production capacity for bulk orders
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized applications
Flybear provides reliable fastening products for distributors, OEM manufacturers, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout production:
- Stainless steel chemical composition analysis
- Raw material certificate verification
- Inner and outer diameter measurement
- Thickness inspection
- Flatness inspection
- Surface finish inspection
- Dimensional tolerance verification
- Packaging quality inspection
All manufacturing processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting an ANSI ASME B18.22.1 304 stainless steel flat washer, consider:
- Bolt or screw size compatibility
- Required load distribution area
- Environmental corrosion conditions
- Material compatibility with mating components
- Thickness requirements
- Installation requirements
Proper selection improves fastening stability and extends assembly service life.
FAQ
1. What is ANSI ASME B18.22.1 flat washer used for?
It is used to distribute fastening loads and protect surfaces in bolted connections.
2. Why choose 304 stainless steel washers?
304 stainless steel provides excellent corrosion resistance and reliable mechanical performance.
3. What is the difference between metric and ANSI washers?
ANSI washers follow inch-based American standards, while metric washers follow ISO or DIN dimensions.
4. Can custom sizes be produced?
Yes, Flybear supports customized dimensions, thicknesses, and packaging.
5. Are 304 stainless steel flat washers suitable for outdoor use?
Yes, they provide good corrosion resistance for many outdoor environments.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.




