Esha Steel is a reputable manufacturer and supplier of top-notch Alloy Steel Gr B5 Fasteners, proudly based in Kolkata. They specialize in providing durable and precision-engineered fastening solutions that cater to a variety of industrial needs. With state-of-the-art manufacturing facilities and a commitment to stringent quality control, Esha Steel adheres to international standards, ensuring that every fastener boasts superior strength, reliability, and long-lasting performance. Their Alloy Steel Gr B5 Fasteners are particularly appreciated for their excellent corrosion resistance, mechanical toughness, and impressive load-bearing capacity. Catering to sectors like oil and gas, petrochemicals, power generation, and heavy engineering, Esha Steel consistently delivers products that blend precision, durability, and efficiency, earning the trust of customers through timely deliveries and exceptional quality.
These Alloy Steel Gr B5 Fasteners are crafted from high-grade steel, enhanced with chromium, molybdenum, and nickel to boost their mechanical strength, hardness, and resistance to corrosion. They showcase remarkable tensile strength, wear resistance, and toughness. On a mechanical level, they offer high load-bearing capacity, dimensional stability, and reliable performance even under extreme temperatures and pressures. Their robust chemical and mechanical properties guarantee long-term durability, making them ideal for critical applications that demand strength, resilience, and dependable performance in challenging industrial settings.
Specification :Â ASTM A 194 ASME SA 194
Standard :Â DIN, ASTM, BS and all International Standards
Length :Â 3 mm to 2 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Types :Â Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Socket Head Cap Screw, Washers, Spring Washers, Studs, Anchors
| Alloy Steel B5 | C | Mn | P | S | Si | Ni | Cr |
| 0.40% min | 1.00% max | 0.040% | 0.050% | 0.40% max | – | – |
| Specification | Material | Nominal Size, In. | Tempering Temp. °F | Proof Load Stress, ksi | Hardness Rockwell | See Note | |
|---|---|---|---|---|---|---|---|
| Min | Max | ||||||
| ASTM A194 Grade B5 | Medium Carbon Steel, Quenched and Tempered | 1/4 – 4 | 1000 | 150 | 159 | 237 | 1,2,3 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hexagon Bolts / Set Screws | Stud Bolts | Hexagon Nuts | Socket Capscrews |
|---|---|---|---|
DIN 931 | BS4882 | DIN 934 | DIN 912 |
DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
BS 1768 | Â | BS 1769 | DIN 7984 |
UNI 5731 | Â | BS 1083 | ANSI B18.3 |
UNI 5739 | Â | BS 3692 | ISO 4762 |
ISO 4014 | Â | ISO 4032 | UNI 5931 |
ISO 4017 | Â | ISO 4033 | BS 2470 |
BS 1769 | Â | ANSI B18.2.2 | BS 4168 |
BS 3692 | Â | Â | Â |
ANSI B18.2.1 | Â | Â | Â |
Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
DIN 913 | DIN 963 | DIN 938 | DIN 125 |
DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
DIN 916 | BS 1981 | BS 4439 | BS 3410 |
DIN 551 | BS 483 | BS 2693 | Â |
DIN 553 | BS 2470 | Â | Spring Washers |
DIN 438 | Â | Â | DIN 127 |
BS 4168 | Â | Â | BS 4464 |
 |  |  | BS 1802 |
Alloy Steel Gr B5 Fasteners find extensive use in industries that require high-strength, corrosion-resistant, and reliable fastening solutions. In the oil and gas sector, they are essential for pipeline assemblies, valve connections, and flanged joints. The petrochemical and refinery industries rely on them for process equipment, pressure vessels, and high-temperature piping systems. Additionally, they are utilized in power generation, heavy engineering, and construction projects where mechanical strength, thermal resistance, and durability are crucial. Their outstanding toughness and load-bearing capacity make them a go-to choice for demanding 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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