Marzouk Steel, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel Gr B7 bolts. Known for their exceptional strength, precise manufacturing, and long-lasting reliability, these bolts are designed to meet strict international standards for critical industrial applications. By employing advanced forging techniques, heat treatment, and thorough quality control measures, Marzouk Steel guarantees that each Gr B7 bolt consistently delivers outstanding performance and safety. The company caters to various sectors, including oil and gas, petrochemical, construction, power generation, and heavy engineering, providing fastening solutions that boast remarkable load-bearing capacity, durability, and mechanical stability.
These Alloy Steel Gr B7 bolts are crafted from chromium-molybdenum alloy steel with a carefully controlled carbon content, ensuring high strength and toughness. They showcase impressive mechanical properties, such as a tensile strength ranging from approximately 860 to 1,040 MPa, a yield strength of around 720 to 860 MPa, and an elongation of 8 to 12%. Heat-treated to boost hardness, fatigue resistance, and wear resistance, Gr B7 bolts maintain their dimensional stability even under high loads, pressure, and elevated temperatures.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B7 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 B7 | C | Mn | P | S | Si | Cr | Mo |
| 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 |
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 B7 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 B7 Bolts needs!
Alloy Steel Gr B7 bolts find extensive use in the oil and gas, petrochemical, refinery, power plant, and construction industries. They are perfect for fastening flanges, pressure vessels, pipelines, valves, and structural assemblies that face high stress and temperature. With their reliable performance, excellent strength, and long service life, these bolts play a crucial role in ensuring joint integrity and operational safety. Engineers and industrial operators trust Alloy Steel Gr B7 bolts for secure fastening in demanding environments characterized by high pressure and temperature.
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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