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Welcome to Malik Fasteners, a leading manufacturer and supplier based in Manama, Bahrain. We take pride in offering top-notch Stainless Steel 321 / 321H Washers, crafted for exceptional performance in high-temperature and corrosive settings. Built to meet international standards, our washers guarantee precise dimensions, consistent thickness, and optimal load distribution in bolted assemblies. The Stainless Steel 321 / 321H, enhanced with titanium, boasts remarkable resistance to intergranular corrosion, oxidation, and thermal stress, making it perfect for welded and high-temperature applications. We cater to various industries, including aerospace, chemical processing, power generation, and automotive, providing dependable fastening solutions that ensure structural integrity and long-lasting performance.
When it comes to composition and mechanical properties, our Stainless Steel 321 / 321H Washers are made up of chromium (17–19%), nickel (9–12%), and titanium as a stabilizer. The 321H variant has a lower carbon content (<0.04%), which boosts its high-temperature performance. These washers are known for their impressive tensile strength, hardness, toughness, and resistance to thermal fatigue and creep. Thanks to their austenitic microstructure, they offer excellent ductility, corrosion resistance, and dimensional stability even under high temperatures and mechanical stress. These features make SS 321 / 321H Washers perfect for industrial applications that demand secure load distribution, durability, and resistance to oxidation and intergranular corrosion in high-temperature or welded assemblies.
| 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 321 / 321H Washers find their place in a variety of high-temperature and corrosive applications where secure fastening and reliable load distribution are essential. You’ll often see them in aerospace components, chemical processing equipment, petrochemical plants, power generation systems, and automotive applications. Their robust design ensures they can handle the demands of these industries, providing peace of mind and performance you can trust.
At Malik Fasteners, we prioritize the safety and quality of our Stainless Steel 321/321H washers when fastening them. Each washer is thoroughly inspected and wrapped in protective packaging to prevent any damage. They are then placed in clearly labeled sturdy boxes with detailed product specifications and quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance washer arrives in perfect condition and ready for immediate use quite.
Malik Fasteners is a leading manufacturer and supplier of high-quality fasteners in Manama, Bahrain, with over 8 years of experience serving global industries.
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