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Murad Fasteners stands out as a leading manufacturer and supplier of Stainless Steel 321 / 321H Bolts in Doha, Qatar. They specialize in providing robust and high-performance fastening solutions tailored for tough industrial settings. Known for their precision engineering and strict quality control, Murad Fasteners adheres to international standards, catering to sectors like oil and gas, petrochemicals, power generation, and chemical processing. The Stainless Steel 321 / 321H Bolts are crafted to deliver exceptional corrosion resistance, oxidation stability, and strength even at high temperatures, ensuring dependable and long-lasting performance in critical applications where safety and durability are essential.
These bolts are constructed from an austenitic stainless steel alloy that includes chromium, nickel, and titanium. The addition of titanium serves as a stabilizer, preventing carbide precipitation when exposed to high temperatures. The 321H variant features a higher carbon content, enhancing strength at elevated temperatures. With impressive tensile and yield strength, good toughness, and outstanding resistance to oxidation and corrosion, these bolts maintain their structural integrity even under high-pressure and thermal conditions, making them perfect for applications that demand long-term durability in challenging environments.
| 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 find extensive use in high-temperature and corrosive settings across a variety of industries. You’ll commonly see them in boilers, heat exchangers, pressure vessels, piping systems, and flanged joints within petrochemical plants, oil and gas facilities, and power generation units. They’re also utilized in chemical processing equipment and machinery that undergo thermal cycling. Thanks to their oxidation resistance, high-temperature strength, and reliability, these bolts are the go-to choice for securing critical components in demanding environments.
At Murad Fasteners we ensure the highest standards in packaging for our Stainless Steel 321/321H bolts. Each bolt is thoroughly inspected and protectively wrapped to prevent damage during transport. They are then placed in tightly labeled boxes with product details and detailed quantities. Our packaging products are designed to be environmentally and physically friendly, ensuring that your high-performance bolts arrive in optimal condition and ready for immediate use.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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