Certified Company
ISO 9001:2005
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Leading Industry
In Mumbai
Certified Company
ISO 9001:2005Leading Industry
In MumbaiNitro Metals is one of the leading Bimetallic Square Washer Stockists, Suppliers and Exporters in India, offering premium-quality Copper Aluminium Bimetallic Square Washers manufactured using advanced bonding technology and high-grade raw materials. As an ISO Certified Company, we supply precision-engineered bimetallic washers that comply with national and international quality standards for electrical, industrial and infrastructure applications.
Bimetallic Square Washers are specially designed fastening components manufactured by permanently bonding two dissimilar metals—typically copper and aluminium—to combine the excellent electrical conductivity of copper with the lightweight and corrosion-resistant properties of aluminium. These washers are extensively used in electrical grounding systems, power transmission equipment, substations, switchgear panels, transformer installations and renewable energy projects where galvanic corrosion between copper and aluminium conductors must be prevented.
Nitro Metals maintains an extensive inventory of standard and customized Bimetallic Square Washers for OEM manufacturers, EPC contractors, electrical contractors, utility companies and industrial maintenance projects throughout India. Every washer undergoes strict quality inspection to ensure dimensional accuracy, reliable bonding strength and long-term operational performance.
Nitro Metals is an established ISO Certified Stockist, Supplier and Exporter of industrial fasteners, earthing accessories, washers, PTFE hose assemblies, expansion joints and precision-engineered industrial components. With years of industry experience, we have built a strong reputation for delivering high-quality products, competitive pricing and dependable customer service across India.
Our extensive product range includes Bimetallic Square Washers, Bimetallic Round Washers, Copper Washers, Aluminium Washers, Stainless Steel Washers, Earth Bosses, PTFE Hose Assemblies, Corrugated Flexible Hoses, Expansion Joints and customized engineering products manufactured according to customer specifications.
Bimetallic Square Washers are square-shaped fastening components manufactured by bonding copper and aluminium into a single unit. The square profile provides a larger bearing area, allowing better load distribution while ensuring excellent electrical conductivity and minimizing galvanic corrosion between dissimilar metals.
These washers are widely used where copper conductors are connected to aluminium components or vice versa. Their dual-metal construction prevents electrochemical reactions that normally occur when different metals come into direct contact in the presence of moisture or environmental contaminants.
Bimetallic Square Washers are commonly installed in electrical substations, transformer terminals, earthing systems, switchgear panels, overhead transmission lines, solar mounting structures and industrial electrical installations where long-term conductivity and corrosion resistance are critical.
Bimetallic Square Washers provide a reliable solution for joining copper and aluminium conductors without causing galvanic corrosion. Their unique metallurgical bond ensures stable electrical conductivity while extending the service life of electrical connections.
The square design distributes clamping force over a larger surface area, reducing localized stress and improving fastening stability. Their corrosion resistance makes them ideal for substations, coastal installations, industrial plants and outdoor power distribution systems exposed to harsh environmental conditions.
Nitro Metals manufactures Bimetallic Square Washers using advanced production technology and rigorous quality control to ensure dependable performance in demanding electrical applications.
Nitro Metals has become one of India's trusted Bimetallic Square Washer Stockists and Suppliers through our commitment to quality, innovation and customer satisfaction. Every washer is manufactured under strict quality management procedures to ensure reliable performance and compliance with international standards.
Electrical and industrial sectors prefer Bimetallic Square Washers because they effectively eliminate galvanic corrosion between copper and aluminium components while maintaining superior electrical conductivity. Their large bearing area, excellent corrosion resistance and durable metallurgical bond make them ideal for critical electrical infrastructure and heavy-duty industrial applications.
Nitro Metals manufactures premium-quality Bimetallic Square Washers using advanced bonding technology to ensure consistent performance, long service life and reliable electrical connections across diverse industrial sectors.
Nitro Metals manufactures premium-quality Bimetallic Square Washers using high-conductivity Copper and Aluminium bonded through advanced solid-state bonding technology. These washers are engineered to provide superior electrical conductivity, excellent corrosion resistance and long-term mechanical stability in demanding industrial and electrical applications. Every washer is manufactured with strict dimensional accuracy and thoroughly inspected before dispatch.
| Specification | Details |
|---|---|
| Product Name | Bimetallic Square Washers |
| Material | Electrolytic Copper + Aluminium |
| Copper Grade | ETP Copper / C11000 / IS 191 |
| Aluminium Grade | EC Grade Aluminium / 1050 / 1060 |
| Shape | Square |
| Manufacturing Process | Cold Pressure Bonding / Explosion Bonding / Roll Bonding |
| Standards | IS, IEC, ASTM, DIN, BS, Customer Drawings |
| Hole Diameter | M6 to M36 (Custom Sizes Available) |
| Thickness | 2 mm to 12 mm |
| Surface Finish | Natural, Bright Finish |
| Bond Strength | Excellent Metallurgical Bond |
| Operating Temperature | -40°C to +250°C |
| Country of Origin | India |
| Customization | Available as per Drawing & Sample |
Nitro Metals manufactures Bimetallic Square Washers using premium electrical-grade Copper and Aluminium materials to provide maximum conductivity and corrosion protection.
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 99.90 Min |
| Oxygen (O) | 0.02–0.05 |
| Impurities | 0.10 Max |
| Element | Composition (%) |
|---|---|
| Aluminium (Al) | 99.50 Min |
| Silicon (Si) | 0.25 Max |
| Iron (Fe) | 0.40 Max |
| Copper (Cu) | 0.05 Max |
| Manganese (Mn) | 0.05 Max |
| Zinc (Zn) | 0.07 Max |
| Others | 0.15 Max |
| Property | Typical Value |
|---|---|
| Electrical Conductivity | Excellent |
| Bond Strength | High |
| Tensile Strength | 150–250 MPa |
| Yield Strength | 80–180 MPa |
| Hardness | 60–90 HB |
| Density | Approx. 5.5–6.5 g/cm³ |
| Thermal Conductivity | Excellent |
| Corrosion Resistance | Excellent |
| Galvanic Protection | Excellent |
Nitro Metals supplies Bimetallic Square Washers in standard metric dimensions and manufactures custom sizes according to customer drawings and electrical project specifications.
Nitro Metals manufactures Bimetallic Square Washers using advanced bonding technologies that permanently join Copper and Aluminium into a single component. After bonding, the material is precision cut, machined and finished using CNC equipment. Every washer undergoes dimensional inspection, bond integrity testing, conductivity verification and visual quality inspection before packaging to ensure reliable performance in electrical installations.
| Feature | Bimetallic Square Washer | Copper Washer |
|---|---|---|
| Material | Copper + Aluminium | Pure Copper |
| Electrical Conductivity | Excellent | Excellent |
| Galvanic Corrosion Protection | Excellent | Limited |
| Weight | Lighter | Heavier |
| Corrosion Resistance | Excellent | Very Good |
| Best Application | Copper-Aluminium Connections | Copper Connections |
Bimetallic Square Washer Manufacturer India, Copper Aluminium Bimetallic Washer, Electrical Earthing Washer Supplier, Bimetallic Washer Exporter, Copper Aluminium Washer Manufacturer, High Conductivity Bimetal Washer, Galvanic Corrosion Protection Washer, Electrical Connector Washer, Power Transmission Washer, Substation Bimetallic Washer, Switchgear Washer, Transformer Washer, Industrial Bimetal Washer, Heavy Duty Bimetallic Square Washer, ISO Certified Bimetallic Washer Supplier.
Nitro Metals manufactures premium-quality Bimetallic Square Washers using high-conductivity Copper and Aluminium bonded through advanced solid-state bonding technology. These washers are engineered to provide superior electrical conductivity, excellent corrosion resistance and long-term mechanical stability in demanding industrial and electrical applications. Every washer is manufactured with strict dimensional accuracy and thoroughly inspected before dispatch.
| Specification | Details |
|---|---|
| Product Name | Bimetallic Square Washers |
| Material | Electrolytic Copper + Aluminium |
| Copper Grade | ETP Copper / C11000 / IS 191 |
| Aluminium Grade | EC Grade Aluminium / 1050 / 1060 |
| Shape | Square |
| Manufacturing Process | Cold Pressure Bonding / Explosion Bonding / Roll Bonding |
| Standards | IS, IEC, ASTM, DIN, BS, Customer Drawings |
| Hole Diameter | M6 to M36 (Custom Sizes Available) |
| Thickness | 2 mm to 12 mm |
| Surface Finish | Natural, Bright Finish |
| Bond Strength | Excellent Metallurgical Bond |
| Operating Temperature | -40°C to +250°C |
| Country of Origin | India |
| Customization | Available as per Drawing & Sample |
Nitro Metals manufactures Bimetallic Square Washers using premium electrical-grade Copper and Aluminium materials to provide maximum conductivity and corrosion protection.
| Element | Composition (%) |
|---|---|
| Copper (Cu) | 99.90 Min |
| Oxygen (O) | 0.02–0.05 |
| Impurities | 0.10 Max |
| Element | Composition (%) |
|---|---|
| Aluminium (Al) | 99.50 Min |
| Silicon (Si) | 0.25 Max |
| Iron (Fe) | 0.40 Max |
| Copper (Cu) | 0.05 Max |
| Manganese (Mn) | 0.05 Max |
| Zinc (Zn) | 0.07 Max |
| Others | 0.15 Max |
| Property | Typical Value |
|---|---|
| Electrical Conductivity | Excellent |
| Bond Strength | High |
| Tensile Strength | 150–250 MPa |
| Yield Strength | 80–180 MPa |
| Hardness | 60–90 HB |
| Density | Approx. 5.5–6.5 g/cm³ |
| Thermal Conductivity | Excellent |
| Corrosion Resistance | Excellent |
| Galvanic Protection | Excellent |
Nitro Metals supplies Bimetallic Square Washers in standard metric dimensions and manufactures custom sizes according to customer drawings and electrical project specifications.
Nitro Metals manufactures Bimetallic Square Washers using advanced bonding technologies that permanently join Copper and Aluminium into a single component. After bonding, the material is precision cut, machined and finished using CNC equipment. Every washer undergoes dimensional inspection, bond integrity testing, conductivity verification and visual quality inspection before packaging to ensure reliable performance in electrical installations.
| Feature | Bimetallic Square Washer | Copper Washer |
|---|---|---|
| Material | Copper + Aluminium | Pure Copper |
| Electrical Conductivity | Excellent | Excellent |
| Galvanic Corrosion Protection | Excellent | Limited |
| Weight | Lighter | Heavier |
| Corrosion Resistance | Excellent | Very Good |
| Best Application | Copper-Aluminium Connections | Copper Connections |
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