Esha Steel has made a name for itself as a leading manufacturer and supplier of Alloy Steel Gr 10.9 Bolts in Kolkata, delivering top-notch fastening solutions tailored for tough industrial and mechanical tasks. With a reputation for precision engineering and durability, Esha Steel guarantees that each bolt meets international standards, providing outstanding strength, toughness, and resistance to wear and corrosion. Thanks to their advanced manufacturing techniques and strict quality control measures, the company produces bolts that excel under heavy loads, extreme temperatures, and high-pressure situations. Catering to sectors like automotive, construction, heavy machinery, and power generation, Esha Steel’s Alloy Steel Gr 10.9 Bolts are the go-to choice for secure, long-lasting, and dependable fastening solutions.
These Alloy Steel Gr 10.9 Bolts are crafted from medium to high-carbon alloy steel, infused with elements such as chromium and molybdenum to boost hardness, tensile strength, and fatigue resistance. They undergo heat treatment processes like quenching and tempering, which enhance their mechanical properties, including high yield strength, toughness, and wear resistance. The strong chemical composition ensures they maintain dimensional stability and durability, performing reliably in high-stress, high-temperature, and demanding industrial settings. Alloy Steel Gr 10.9 Bolts are specifically designed for critical applications that require robust and secure fastening.
| Grades | Grade 10.9 Bolt |
|---|---|
| Standard | ASTM A324, ASME SA324 |
| Size | Dia M 20 to 100 mm Inch 3/4“Â to 3.1/2″ |
| finish | Zinc plated / Plain / Hot dip galvanised |
| Carbon Steel 10.9 | C | P | S | B |
|---|---|---|---|---|
| 0.20-0.55 | 0.025 | 0.025 | 0.003 |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
|---|---|---|---|---|---|
| Class 10.9 | 5–100 | 830 | 940 | 1040 | C33–39 |
| Class and Material | Nominal Size Range (mm) | Mechanical Properties | ||
|---|---|---|---|---|
| Proof Load (MPa) | Min. Yield Strength (MPa) | Min. Tensile Strength (MPa) | ||
| Class 10.9 Alloy steel, quenched and tempered | 5mm – 100mm | 830 | 940 | 1040 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
B6 Esha Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr 10.9 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 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 10.9 Bolts needs!
Across various industries that need high-strength, durable, and corrosion-resistant fastening components, Alloy Steel Gr 10.9 Bolts are widely utilized. In the automotive sector, they find their place in engines, gear assemblies, and chassis components. The construction and heavy machinery industries depend on these bolts for structural frameworks, high-load joints, and equipment assembly. Power plants and industrial equipment also rely on them for turbines, boilers, and high-pressure piping systems. With their exceptional mechanical strength, toughness, and long-term reliability, Alloy Steel Gr 10.9 Bolts are indispensable for critical applications.
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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