Esha Steel is a reputable manufacturer and supplier of top-notch Alloy Steel Gr B16 Fasteners, proudly based in Kolkata. They specialize in providing durable and precision-engineered fastening solutions that cater to a variety of industrial needs. With cutting-edge manufacturing facilities and a commitment to strict quality control, Esha Steel adheres to international standards, ensuring that every fastener boasts superior strength, reliability, and performance. Their Alloy Steel Gr B16 Fasteners are particularly appreciated for their excellent corrosion resistance, toughness, and mechanical stability. Serving 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 B16 Fasteners are crafted from high-grade steel, enhanced with chromium, molybdenum, and nickel to boost their mechanical strength, hardness, and corrosion resistance. They showcase impressive tensile strength, toughness, and wear resistance. Mechanically, they offer dimensional stability, a high load-bearing capacity, and long-lasting durability even under extreme temperatures and pressures. Their robust chemical makeup guarantees reliable performance in challenging industrial settings, making them ideal for critical applications that demand strength, longevity, and resilience against environmental and operational stresses.
Specification :Â ASTM A 193 ASME SA 193
Standard :Â DIN, ASTM, BS and all International Standards
Length :Â 3 mm to B16 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 B16 | C | Mn | P | S | Si | Ni | Cr |
| 0.15 max | 1.00 max | 0.040 | 0.030 | 1.00 max | – | 11.50-13.50 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 |
| 2-5/8 – 4 | 110 | 95 | 17 | 45 | |
| 4-1/8 – 7 | 100 | 85 | 16 | 45 |
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 B16 Fasteners find extensive use in industries that require strong and corrosion-resistant fastening solutions. In the oil and gas industry, they are essential for pipeline assemblies, valve connections, and flanged joints. The petrochemical and refinery sectors utilize them for process equipment, pressure vessels, and high-temperature piping systems. Additionally, they are employed in power generation, construction, and heavy engineering projects where durability, mechanical strength, and thermal resistance are paramount. 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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