Marzouk Steel, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel Gr B16 bolts. These bolts are celebrated for their impressive strength, outstanding thermal stability, and precise dimensional accuracy, making them perfect for tough industrial settings. By utilizing cutting-edge forging technology, carefully controlled heat treatment, and rigorous quality control measures, Marzouk Steel guarantees consistent performance and a long lifespan. The company caters to various sectors, including power generation, oil and gas, petrochemicals, and heavy engineering, providing fastening solutions that can endure high temperatures, pressure, and mechanical stress while ensuring superior joint integrity.
Alloy Steel Gr B16 bolts are crafted from chromium-molybdenum alloy steel with a higher carbon content, which boosts their strength at elevated temperatures. These bolts showcase remarkable mechanical properties, boasting a tensile strength of around 860–1,040 MPa, a yield strength of approximately 690–860 MPa, and an elongation of 8–12%. They undergo heat treatment to enhance creep resistance, hardness, and fatigue strength, ensuring reliable performance, dimensional stability, and toughness even in extreme thermal and mechanical conditions.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B16 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 |
| Alloy Steel B16 | C | Mn | P | S | Si | Ni | Cr |
| 0.15 max | 1.00 max | 0.040 | 0.030 | 1.00 max | – | 11.50-13.50 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 |
| 2-5/8 – 4 | 110 | 95 | 17 | 45 | |
| 4-1/8 – 7 | 100 | 85 | 16 | 45 |
| Dia | Minimum Temperature ° F (°C) | Tensile Strength min, ksi ( MPa) | Yield Strength. min, 0.2% offset, Ksi ( MPa) | Elongation in 4D min % | Reduction of Area min % | Hardness max |
|---|---|---|---|---|---|---|
| 2 1/2″ and under | 1200(650) | 125(860) | 105(725) | 18 | 50 | 321HB or 35 HRC |
| over 21/2″ to 4″ | 1200(650) | 110(760) | 95(655) | 17 | 45 | 302HB or 33 HRC |
| over 4″ to 7″ | 1200(650 ) | 100(690) | 85(586) | 16 | 45 | 227HB or 29 HRC |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Marzouk Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr B16 Bolts in Tunis, Tunisia. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your Alloy Steel Gr B16 Bolts needs!
You’ll find Alloy Steel Gr B16 bolts commonly used in power plants, refineries, petrochemical facilities, and oil and gas operations. They’re perfect for fastening components like boilers, turbines, valves, flanges, pressure vessels, and high-temperature piping systems. With their exceptional strength, thermal resistance, and durability, these bolts significantly improve safety and operational efficiency. Engineers and industrial operators trust Alloy Steel Gr B16 bolts for critical applications that demand dependable fastening performance in high-pressure and high-temperature environments.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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