Request For Our Latest Prices On SS 347H Bolts in Muscat, OMAN!
Mazin Fasteners, a reputable manufacturer and supplier located in Muscat, Oman, specializes in high-quality Stainless Steel 347H Bolts designed for demanding high-temperature and corrosive industrial environments. These bolts are crafted using cutting-edge production methods and rigorous quality control measures, ensuring they feature precise threading, consistent dimensions, and dependable mechanical performance. Mazin Fasteners caters to various industries, including petrochemical, chemical processing, power generation, and marine engineering. Renowned for their durability, thermal stability, and resistance to intergranular corrosion, these bolts are perfect for critical applications that require secure and long-lasting fastening, even in extreme temperatures and harsh conditions.
The Stainless Steel 347H Bolts are made from a stabilized austenitic stainless steel alloy, which contains about 17–19% chromium, 9–13% nickel, and niobium to help prevent intergranular corrosion. The increased carbon content compared to 347 enhances their strength at high temperatures. In terms of mechanics, SS 347H bolts deliver high tensile and yield strength, impressive hardness, and stability in both thermal and mechanical stress. They maintain reliable performance even during prolonged exposure to elevated temperatures and resist deformation, fatigue, and wear.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347H | min. | 0.04 | – | – | – | – | 17.0 | 3.00 | 9.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.030 | 19.0 | 4.00 | 13.0 | – | |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.96 g/cm3 | 1450 °C | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| 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. |
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.
These bolts are widely utilized in settings that face high heat, oxidative environments, and corrosive chemicals. You’ll often find them in boilers, heat exchangers, furnaces, pressure vessels, and industrial piping systems, where they provide secure fastening and help distribute loads evenly. They’re also ideal for petrochemical plants, power generation facilities, and marine equipment, where long-lasting durability, corrosion resistance, and thermal stability are essential. With their outstanding mechanical properties and heat resistance, these bolts are truly suited for the most demanding industrial fastening tasks.
We at Mazin Fasteners maintain the exacting quality standards of our stainless steel 347H bolts, which is demonstrated by careful labeling. Our commitment is reflected in the trading invoices that go.” beyond, durable packaging, fumigation certificates, complete heat treatment records and strict quality control programs up to MTCs , PMI test certificates, and 100%; complete radiography test certificates further prove our commitment to excellent quality and reliability, so that each bolt is wrapped with the utmost care using protective materials to prevent damage at transport, guaranteeing arrival in optimum condition, ready for immediate use in demanding applications.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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