Marzouk Steel, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of premium steel products, serving industries that demand strength, precision, and reliability. Among its specialized offerings are Alloy Steel B7M Stud Bolts, designed for high-pressure, high-temperature, and critical mechanical applications. Manufactured with advanced technology and strict quality control, B7M stud bolts provide exceptional tensile strength, toughness, and corrosion resistance. Marzouk Steel ensures that every B7M bolt meets international standards, offering engineers and fabricators a dependable fastening solution for power plants, petrochemical facilities, oil and gas equipment, and heavy industrial machinery.
Alloy Steel B7M Stud Bolts are manufactured from high-grade chromium-molybdenum steel, with enhanced mechanical properties for superior high-temperature and corrosion resistance. The chemical composition, including carbon, chromium, and molybdenum, provides outstanding tensile strength, yield strength, and impact resistance. These bolts respond effectively to heat treatment, optimizing hardness, toughness, and fatigue resistance. With excellent structural integrity under extreme conditions, B7M bolts are ideal for demanding industrial and mechanical applications where long-term reliability, safety, and performance are critical.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B7M 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 B7M Stud Bolts | 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 |
|---|---|---|---|---|---|
| B7M | 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 B7M Stud 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 Sheets 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 B7M Stud Bolt needs!
Alloy Steel B7M Stud Bolts are widely used in industries that require high-strength, reliable fasteners capable of withstanding extreme conditions. They are commonly applied in boilers, heat exchangers, turbines, petrochemical plants, oil and gas pipelines, and heavy industrial machinery operating under high pressure and temperature. Engineered to endure repeated stress, thermal cycling, and harsh operating environments, B7M bolts maintain structural integrity and provide secure fastening. Engineers and fabricators rely on B7M bolts for critical applications where durability, safety, and long-term operational efficiency are essential. Their combination of toughness, corrosion resistance, and mechanical strength ensures dependable performance in demanding industrial 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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