Esha Steel is a premier manufacturer and supplier of high-quality industrial fasteners in Kolkata India, who are expert manufacturers of Alloy Steel Gr 7 Stud Bolts. We specialize in precision engineering and reliability in our fastening solutions, which are utilized for high-pressure and high-temperature applications for oil & gas, petrochemicals, and power plant industries. Our Gr 7 Stud Bolts offer outstanding strength, corrosion resistance, and durability of performance. At Esha Steel, quality, reliability, and customer satisfaction are our top priorities, guaranteeing that all our products exceed strict industry standards. Join us for superior fastening solutions.
Alloy Steel Gr 7 Stud Bolts are manufactured using chromium-molybdenum steel to provide improved strength, toughness, and resistance against corrosion. The chemical composition of these bolts usually consists of 0.38-0.48% Carbon, 0.75-1.00% Manganese, 0.15-0.25% Molybdenum, and 0.75-1.20% Chromium, which ensures superior durability in high-pressure conditions. Mechanically, Gr 7 Stud Bolts provide a minimum tensile strength of 125 ksi, yield strength of 105 ksi, and elongation of 16%, which makes them suitable for adverse conditions. They have high impact resistance and hardness, providing consistent performance in oil & gas, petrochemical, and power generation 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 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.
Esha Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr 7 Stud Bolts in Kolkata India. 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 7 Stud Bolt requirements!
Alloy Steel Gr 7 Stud Bolts are heavily used in high-temperature and high-pressure services due to their strength, ruggedness, and corrosion resistance. Oil & gas, petrochemical, power plants, and chemical processing plants utilize them as a routine procedure, where they secure major equipment like flanges, valves, heat exchangers, and pressure vessels.Their superior mechanical properties make them suitable for steam turbines, pipelines, and refinery units that are under extreme conditions. Moreover, these stud bolts are employed in marine, aerospace, and heavy machinery applications to provide structural integrity and reliability in harsh environments. Their strength makes them a necessity for industrial fastening requirements.
Esha 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 Kolkata India.
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