H276 Alloy Steel Plain Washers DIN 125A
Plain washers are essential components in mechanical assemblies, used widely in automotive, construction, and manufacturing industries. This article explores the specific features, specifications, applications, and advantages of DIN 125A standard plain washers made of H276 alloy steel. Manufactured with precision and surface treated for enhanced durability, these washers are engineered to offer unparalleled resistance to corrosion and heavy loads in demanding environments.
Product Overview
DIN 125A plain washers are flat, circular pieces with a central hole designed to distribute the load of threaded fasteners such as bolts or screws. H276 alloy steel washers, thanks to their robust mechanical properties, are particularly ideal for applications where heat resistance and corrosion resistance are critical. These washers help in reducing vibration, preventing loosening, and protecting the surface from potential damage due to fastener pressure.
Product Specification Table
| Property | Specification |
|---|---|
| Product Name | Plain Washer |
| Standard | DIN 125A |
| Material | H276 Alloy Steel |
| Size Range | M2 – M160 |
| Thickness | 0.35mm – 18.0mm |
| Inner Diameter | According to DIN 125A |
| Outer Diameter | According to DIN 125A |
| Surface Finish | Black Oxide, Plain |
| Tolerance | ±0.1mm |
Technical Parameters Table
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 1100 MPa |
| Yield Strength | ≥ 950 MPa |
| Elongation | ≥ 12% |
| Hardness | HV 350 – 420 |
| Max Operating Temperature | 750°C |
| Corrosion Resistance | Excellent (especially in acids and seawater) |
Material Introduction & Manufacturing Process
H276 alloy steel is a high-grade Hastelloy variant widely acknowledged for its excellent resistance to corrosion and high temperature. It is particularly effective in acidic and oxidizing environments, making it a premier choice for harsh industrial applications.
The manufacturing process of DIN 125A plain washers includes:
- Precision cutting of H276 alloy sheets using CNC-guided stamping tools.
- Heat treatment to achieve optimized mechanical properties.
- Surface treatment like black oxide or zinc plating to enhance corrosion resistance.
- Dimensional inspection and sorting per client specifications.
Common Application Industries and Use Scenarios
Plain washers DIN 125A made of H276 alloy steel are ideal for:
- Petrochemical installations
- Offshore oil platforms
- Marine and shipbuilding industries
- Aerospace structural joints
- Pressure vessels and piping systems
- High-temperature furnaces
Their capability to sustain pressure and resist harsh chemicals makes them indispensable in safety-critical applications.
Product Advantages & Competitive Edge
Material Excellence
Our washers are crafted from premium-grade H276 alloy steel, which ensures outstanding strength and extreme corrosion resistance—critical for both offshore and high-temperature environments.
Precision Manufacturing
Utilizing ISO-certified facilities and CNC machinery, every washer is crafted with strict tolerances. Thread contact areas are optimized for load dispersal and surface protection.
Advanced Surface Treatment
Phosphate and zinc plating options provide additional protection against rust, acids, and alkalis, increasing product lifecycle even under the most aggressive conditions.
Strong Customization Capabilities
Flybear Fastener offers made-to-order washers according to your drawings and specific industry requirements, ensuring perfect fits and high-performance outcomes.
Ample Inventory & Fast Delivery
Our warehouse system supports large-volume storage, allowing for consistent supply and prompt order fulfillment across global locations.
Unmatched Technical Support
A proven customer-centric approach combined with dedicated engineers ensures swift answers and full post-sale guidance for all your fastening needs.
Company Quality Control & Testing Protocol
All plain washers undergo rigorous inspections including:
- Dimensional checks with laser-calibrated instruments
- Tensile and yield strength testing
- Corrosion resistance testing with salt spray chambers
- Surface finish inspection
Certificates like ISO 9001 and custom audits upon request guarantee compliance with global standards.
Selection & Purchasing Tips
When selecting a plain washer, consider the following:
- Match the washer’s inner and outer diameters with the bolts or screws from your assembly.
- Confirm the operational temperature—H276 alloy offers superior resistance for extreme applications.
- Confirm thickness and tolerance based on applied load and vibration exposure.
- Choose a suitable surface finish (e.g., zinc-plated for marine use).
Bulk orders can be directly configured via our catalog or custom quoted. Reach out to our sales engineers or scan product charts for specifications.
Conclusion & Brand Promotion
We consistently uphold the philosophy of “Quality First, Customer Supreme”, focusing on delivering high-performancefastener productsand full-spectrum solutions. Whether you require standard washers or specialized hardware, Flybear Fastener delivers excellence through every component. Feel free to explore our product categories or contact us today for tailored industry solutions and competitive quotations.
Additional Notes
Thanks to the versatility of DIN 125A washers, we also offer variants in stainless steel and brass for electrical and architectural uses. Ask about dual certifications or multi-grade compatibility in composite assemblies.
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