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Neesham Flanges is a leading manufacturer and supplier of premium Stainless Steel 420 Washers in Hamilton, New Zealand, offering high-quality fastening solutions for diverse industrial applications. Renowned for precision engineering, durability, and excellent corrosion resistance, the company ensures that each washer meets international standards and performs reliably in demanding environments. Stainless Steel 420 Washers from Neesham Flanges are designed to withstand mechanical stress, moderate chemical exposure, and outdoor conditions, making them ideal for industries requiring dependable and long-lasting fastening components, including automotive, marine, chemical processing, and industrial machinery applications.
Stainless Steel 420 Washers are manufactured from martensitic stainless steel with high carbon content, providing excellent hardness, wear resistance, and moderate corrosion resistance. They exhibit good tensile strength, mechanical durability, and stability under load, making them suitable for bolted assemblies subjected to vibration, pressure, or repetitive use. The combination of toughness, hardness, and resistance to moderate corrosive environments ensures Stainless Steel 420 Washers maintain structural integrity and provide reliable performance in a variety of industrial applications.
| Specifications | ASTM A 193 ASME SA 193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | Wedge Lock Washers, Square Washer, Spring Lock Washer, Self Locking Washer, Sealing Washer, Plain Flat Washer, Ogee Washer, Industrial Washer, Hex Washer, Finishing Washer, Fender Washer, Conical Washer, Countersunk Washer, Square Beveled Washer, Curved Wave Washer, External Tooth Lock Washer, Internal Tooth Lock Washers, Internal Tab Washers, lock washer Fastener, Wedge Lock Washers, Tab Washer, Structural Washers. |
| Grade | AISI | Stainless Steel Bolts Chemical Composition (% maxima unless stated) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||||||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 | ||||
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 | ||||
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 | ||||
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 | ||||
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – | ||||
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – | ||||
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – | ||||
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – | ||||
| Stainless Steel Bolts | Class | Tensile Stress Rm MPa (N/mm2) minimum | Yield Strength Rp 0.2 Mpa (N/mm2) minimum | AL Minimum Elongation | Diameter |
|---|---|---|---|---|---|
| Stainless Steel Bolts | 70 | 700 | 450 | 0.4d | =<M20 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 420 washers are ideal for applications that require high strength and durability. They are commonly used in automotive components such as engine parts and exhaust systems, where wear and tear resistance is required. These washing machines are also suitable for construction and industrial equipment, providing reliable operation at high temperatures and pressures. Their strength makes them suitable for use with tools and equipment in sensitive conditions, providing long service life and reliability
Stainless Steel 420 Washers are widely used in automotive, industrial machinery, chemical processing, marine, and manufacturing sectors. They are ideal for distributing loads in bolted joints, securing nuts and bolts, and ensuring stability in structural assemblies. These washers provide excellent wear resistance and mechanical support in applications where durability and consistent performance are essential. Stainless Steel 420 Washers offer long-term reliability, strength, and safety, making them an essential component in critical fastening and mechanical assemblies.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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