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Hamad Fasteners stands out as a leading manufacturer and supplier of industrial fasteners, proudly based in Riyadh, Saudi Arabia. We’re dedicated to quality, offering a diverse range of products, including our Stainless Steel 442 Stud Bolts. These bolts are designed for strength, durability, and resistance to high temperatures, making them perfect for structural and industrial applications that demand reliable fastening in tough conditions. Our Stainless Steel 442 Stud Bolts adhere to international standards and are crafted using cutting-edge processes to guarantee precision and dependability. We cater to clients in the construction, petrochemical, and power generation industries across Saudi Arabia and the broader Gulf region.
The composition of Stainless Steel 442 Stud Bolts primarily includes iron and about 18% chromium, along with molybdenum and other stabilizing elements. This ferritic stainless steel alloy offers superior oxidation and corrosion resistance, particularly in mildly corrosive or high-temperature settings. These bolts boast impressive tensile strength and hardness, resist scaling at elevated temperatures, and maintain their structural integrity even under thermal cycling. While they are magnetic and less ductile compared to austenitic grades, 442 stud bolts excel in durability, dimensional stability, and long-term performance, especially in scenarios where corrosion resistance and thermal stability are vital for safety and longevity.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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.
You’ll find Stainless Steel 442 Stud Bolts commonly used in industries that require high-strength fasteners capable of withstanding heat and corrosion. They’re typically found in applications like heat exchangers, power plants, furnace systems, exhaust manifolds, and petrochemical processing equipment. In construction and infrastructure projects, these bolts are favored for components that face fluctuating temperatures or mild corrosive environments. Their magnetic properties and thermal stability make them ideal for mechanical assemblies and industrial installations, ensuring reliable performance in demanding situations.
Our stainless steel 442 stud bolts are optimized for undamaged travel through hardwood or hard boxes to international standards. Each bolt is uniquely marked with our grade, size and lot number to ensure traceability and quality assurance. We offer complete documentation, including EN 10204-3.1 and EN 10204-3.2 certificates, material certificates, NABL approved laboratory test reports, and professional test certificates. In addition, our quality control measures include 100% radiographic testing and third-party inspection reports to ensure that each stainless steel 442 stud bolt meets stringent industry requirements for reliability, strength and performance around.
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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