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Njabulo Stainless is a reliable manufacturer and supplier located in Cape Town, South Africa, specializing in top-notch Stainless Steel 347 Stud Bolts. Known for our precision engineering and durability, we create products that meet the rigorous demands of both industrial and commercial applications. Our Stainless Steel 347 Stud Bolts are made using cutting-edge technology, ensuring they offer exceptional corrosion resistance, strength, and reliability, even in high-temperature settings. With a strong commitment to quality assurance and customer satisfaction, we provide products that comply with international standards, making us a go-to choice for industries throughout South Africa and beyond.
These Stainless Steel 347 Stud Bolts are made from a blend of chromium, nickel, and columbium (niobium), which boosts their resistance to corrosion and oxidation. The inclusion of niobium helps prevent carbide precipitation during welding, ensuring they remain structurally sound at high temperatures. On the mechanical side, these bolts showcase impressive tensile strength, excellent creep resistance, and remarkable hardness, making them perfect for high-stress environments. They retain their strength and ductility even under thermal stress and are non-magnetic when annealed, providing dependable performance in tough operating conditions.
| Grade | Stainless Steel 347, 347H |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 205 | 515 | 40 | 95 | 201 |
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 347 | 8000 | 500 | 720 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 |
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Stainless Steel 347 stud anchor bolts are designed for high-temperature and corrosive environments, providing robust strength and resistance to oxidation, making them perfect for securing heavy machinery and structural components.
Stainless Steel 347 stud exhaust bolts are engineered for high-temperature exhaust systems, offering exceptional resistance to heat and corrosion. They ensure durable, reliable performance in demanding automotive and industrial applications.
Stainless Steel 347 hex stud bolts provide exceptional strength and resistance to high temperatures and corrosion, making them ideal for demanding industrial, aerospace, and high-pressure applications requiring durable and reliable fasteners.
Njabulo Stainless ensures quality in the form of high-grade stainless steel 347 stud bolts. Testing is performed for hardness, spectro analysis, PMI, flaring, micro, macro, pitting resistance, and IGC. Commercial invoices, packaging lists, and Certificates of Origin accompany all shipments for full documentation. The third-party inspection certificates ensure quality and reliability and give assurance that the products supplied will satisfy our customers.
Stainless Steel 347 Stud Bolts find extensive use in industries that require fasteners capable of withstanding high temperatures and corrosion. They’re perfect for petrochemical plants, power generation systems, heat exchangers, exhaust manifolds, and refinery equipment. Their resistance to intergranular corrosion and oxidation makes them suitable for continuous exposure to intense heat and harsh chemicals. Additionally, they are utilized in aerospace, marine, and food processing sectors where hygiene, durability, and mechanical integrity are paramount. These bolts guarantee secure, long-lasting connections in environments where strength and corrosion resistance are critical.
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