DIN125 Carbon Steel Flat Washers China Factory Suppliers Grade 4.8 Zinc Plated
Our premium Carbon Steel DIN125 Flat Washers are precision-engineered for high-performance sealing and load distribution. Specifically designed for pressure vessels, towers, tanks, and valve covers, these industrial-grade gaskets ensure a leak-proof seal in bolted flange joints, making them indispensable for critical infrastructure in the chemical and petrochemical industries.
Manufactured according to rigorous national standards including GB95, GB96, and GB97 series, these washers offer exceptional mechanical stability. With available sizes ranging from M3 to M56 and a specialized white zinc plating for enhanced corrosion resistance, our fasteners provide the reliability required for demanding industrial environments.
Detailed Parameters
| Product Name | Flat Washer / Metal Flat Gasket | Standard | DIN125 / GB95 / GB96 / GB97 |
|---|---|---|---|
| Material | Carbon Steel | Grade | Grade 4.8 |
| Surface Treatment | White Zinc Plated / Plain / Black | Size Range | M3 - M56 |
| Application | Pressure Vessels, Tanks, Valves | Industry | Chemical & Petrochemical |
| Primary Function | Sealing & Load Distribution | Manufacturing | Precision Machining |
Key Advantages
Corrosion Resistance
High-quality zinc plating provides a protective barrier against oxidation and rust in humid environments.
Long-term Durability
Grade 4.8 carbon steel ensures consistent structural integrity under sustained mechanical pressure.
Precision Sealing
Optimized for bolted flange joints to prevent leakage of internal media in high-pressure pipe containers.
Standard Compliance
Fully compliant with DIN125 and GB standards, ensuring universal compatibility and easy replacement.
Versatile Sizing
Comprehensive size availability from M3 to M56 to meet diverse engineering specifications.
Industrial Grade
Specifically engineered for the rigorous demands of petrochemical and chemical plant operations.
Product Gallery
Management Platforms
Inventory Control
Real-time tracking of M3-M56 sizes to ensure immediate shipment availability.
Quality Assurance
Strict adherence to DIN125 and GB standards through rigorous batch testing.
Lead Time Optimization
Streamlined production workflows to reduce delivery times for industrial orders.
Custom Coating Services
Flexible options for zinc plated, plain, or black finishes based on client needs.
Logistics Integration
Global shipping capabilities specialized for heavy industrial fastener transport.
Technical Support
Expert guidance on selecting the correct washer grade for pressure vessel sealing.
Investment Return Comparison
| Performance Metric | Standard Washers | Our DIN125 Washers | Value Gain |
|---|---|---|---|
| Sealing Efficiency | Moderate | High-Precision | Zero Leakage |
| Corrosion Life | Short (Plain) | Extended (Zinc) | 3x Longer Life |
| Installation Fit | Variable | Strict DIN/GB | Perfect Alignment |
| Maintenance Cost | Frequent Replace | Low Frequency | Reduced OpEx |
| Material Stability | Generic Steel | Grade 4.8 Carbon | High Reliability |
Frequently Asked Questions
DIN125 is a standardized European norm that specifies exact dimensions and tolerances for flat washers, ensuring they provide optimal load distribution and compatibility across industrial machinery.
White zinc plating creates a sacrificial layer that protects the underlying carbon steel from moisture and corrosive agents, significantly extending the lifespan of the fastener in industrial settings.
Yes, they are specifically designed for use in bolted flange joints within petrochemical and chemical industries to prevent the leakage of internal media.
We provide a comprehensive range of sizes from M3 up to M56 to accommodate everything from small electronic enclosures to large-scale pressure vessels.
Grade 4.8 indicates the tensile strength and yield strength of the material, providing a balanced level of ductility and strength suitable for most general-purpose industrial fastening applications.
Yes, our products are manufactured according to these national standards, and we can provide the necessary technical documentation and material certificates upon request.
