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At Hamad Fasteners, we are a leading manufacturer and supplier of Stainless Steel 321/321H bolts in Riyadh, Saudi Arabia. Our bolts are engineered for high-temperature applications, offering exceptional resistance to oxidation and corrosion. Ideal for use in aerospace, automotive, and chemical processing industries, our Stainless Steel 321/321H bolts adhere to stringent quality standards to ensure durability and reliable performance. Trust us for precision-engineered bolts that deliver consistent results in demanding industrial environments.
Hamad Fasteners, a prominent Riyadh-based manufacturer and supplier in Saudi Arabia, supplies high-quality Stainless Steel 321/321H Bolts that are suitable for high-performance use. The bolts are highly renowned for their superior resistance to high temperature, oxidation, and corrosive conditions. Due to their superior mechanical strengths, the bolts provide reliability and strength in critical industries like aerospace, automobile, chemical, and healthcare. Reputed for their superior durability, weldability, and resistance to intergranular corrosion, Stainless Steel 321/321H Bolts are reliable fastening devices that conform to international quality standards, offering safe and long-lasting operation in severe operating conditions.
| 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 | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347 | min. | – | – | – | – | – | 17.0 | 2.00 | 9.0 | – |
| max. | 0.08 | 2.0 | 1.00 | 0.045 | 0.030 | 20.0 | 3.00 | 13.0 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 515 | 205 | 40 | 95 | 201 |
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 Bolts contain mainly iron, 17–19% chromium, 9–12% nickel, and titanium stabilizers, with an increased content of carbon in 321H for greater high-temperature strength. This alloy offers better corrosion and oxidation resistance at higher temperatures. The mechanical properties of these bolts include high tensile strength (a minimum of 515 MPa), good yield strength, and superior creep resistance. They resist structural damage in the toughest pressures and temperatures. They are weldable, tough, and acid-resistant to sulfuric and phosphoric acids, making them the best option for demanding applications where durability and flexibility are essential.
Stainless Steel 321/321H Bolts find extensive applications in applications demanding superior thermal resistance and corrosion protection. They are critical in aerospace components, engine exhaust systems of automobiles, and high-temperature gasoline engines where the resistance to oxidation is imperative. In chemical processing plants, they work well against sulfuric and phosphoric acids. The medical industry also enjoys their corrosion resistance and stability under extreme conditions. Their strength guarantees long-term endurance in high-pressure and heat conditions, rendering them an industry leader where safety, strength, and reliability are the utmost priorities.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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