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Hamad Fasteners is a reputable manufacturer and supplier of high-performance fasteners located in Riyadh, Saudi Arabia. We take pride in providing reliable and durable fastening solutions, including our Stainless Steel 446 Stud Bolts, which are specifically designed to thrive in extreme temperatures and corrosive environments. Our stud bolts are crafted with precision and adhere to international standards, ensuring consistent quality and performance. They find applications in various industries, such as power generation, petrochemicals, and high-temperature processing, making our Stainless Steel 446 Stud Bolts the go-to choice for challenging conditions. At Hamad Fasteners, we are dedicated to excellence, prompt delivery, and ensuring long-term satisfaction for our clients throughout Saudi Arabia and the Gulf region.
Our Stainless Steel 446 Stud Bolts are made from a high-chromium ferritic stainless steel alloy, typically containing 23–27% chromium and low carbon content. This unique composition offers exceptional resistance to scaling, oxidation, and corrosion at elevated temperatures, making them ideal for continuous use in environments reaching up to 1100°C. These bolts demonstrate good mechanical strength, moderate ductility, and excellent dimensional stability even under thermal cycling. While Stainless Steel 446 is magnetic and not hardenable through heat treatment, it performs admirably under stress in high-temperature situations. Its outstanding resistance to sulfur-rich and oxidizing atmospheres distinguishes it from lower chromium grades.
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.20 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | 0.50 | 0.25 | ||
| 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 | ||||
| 446 | 485 | 275 | 20 | 92 | 201 |
| 446 Stud Bolt Specifications | ASTM A /SA 193 / 194 |
| 446 Stud Bolt Dimensions | ASTM,DIN, BS,GB, IS and all International Standards |
| 446 Stud Bolt Length | 3 mm to 200 mm |
| 446 Stud Bolts Size | M02 to M33 | Custom Sizes |
| 446 Stud Bolt Type | Stud Bolts, Heavy Stud bolt, Tie Bar, Tie Rod, Continuous Threaded Stud Bolts (Fully Threaded Studs without Chamfered Ends), Tap End Stud Bolts, Double End Stud Bolts, Double End Stud Bolts with Reduced Shank, Flange Stud Bolts (Fully Threaded Studs with Chamfered Ends), MS Stud Bolts, Metric Thread Stud Bolt, Rough Forged Stud Bolts, Stud Half Thread Bolts etc. |
| 446 Stud Bolts Coating |
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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 446 Stud Bolts are extensively utilized in industries that demand fasteners capable of enduring extreme heat and corrosive conditions. You’ll commonly find them in heat exchangers, boilers, furnaces, kilns, and incinerators, especially within power plants and petrochemical facilities. They’re also used in exhaust systems, refinery units, and equipment that encounters oxidizing and sulfur-rich gases. Thanks to their high-temperature oxidation resistance, these stud bolts provide structural stability and a long service life, ensuring reliable performance even under thermal cycling.
We provide full documentation through our Stainless Steel 446 Stud Bolts to ensure complete transparency and quality control. This includes commercial invoices, packaging documents, thermal operating systems, fume certificates, and quality control systems. In addition, we provide NABL-approved laboratory test reports, MTC according to EN 10204/3.1b, PMI test certificates, 100% radiography test reports, and third-party inspection certificates. Our complete documentation underscores our commitment to excellence and customer satisfaction.
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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