Marzouk Steel, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel Gr 7M stud bolts. These bolts are celebrated for their remarkable strength, precision, and durability, making them perfect for demanding industrial applications. Thanks to advanced forging techniques, heat treatment, and strict quality control measures, Marzouk Steel guarantees that each Gr 7M stud bolt offers dependable performance, a long lifespan, and mechanical stability. The company caters to various sectors, including oil and gas, petrochemical, power generation, and heavy machinery, providing fastening solutions that boast exceptional tensile strength, corrosion resistance, and reliability at high temperatures.
The Alloy Steel Gr 7M stud bolts are crafted from chromium-molybdenum alloy steel with a carefully controlled carbon content, enhancing their strength, toughness, and performance in high-temperature environments. These bolts showcase impressive mechanical properties, with a tensile strength ranging from about 1,030 to 1,250 MPa, yield strength between 830 and 950 MPa, and an elongation of 8 to 12%. The heat treatment process enhances their hardness, fatigue resistance, and dimensional stability, making Gr 7M stud bolts ideal for high-pressure, high-temperature, and critical load applications.
| 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 B7M | 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 Gr 7M 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, corrosion resistance, and durability for critical industrial applications. Contact us today for all your Alloy Steel Gr 7M Stud Bolt requirements!
You’ll find Alloy Steel Gr 7M stud bolts widely utilized in the oil and gas, petrochemical, power plant, and refinery sectors. They are particularly suited for securing flanges, pressure vessels, pipelines, valves, and structural components that operate under significant stress, pressure, and temperature. With their superior strength, creep resistance, and durability, these stud bolts ensure joint integrity, operational safety, and minimized maintenance needs. Engineers and industrial operators trust Alloy Steel Gr 7M stud bolts for high-performance fastening solutions in challenging industrial settings that demand reliable, long-lasting connections.
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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