Ahmer Steel, a prominent manufacturer and supplier located in Manama, Bahrain, specializes in top-notch Alloy Steel Gr B5 Fasteners tailored for high-performance industrial applications. These fasteners are meticulously crafted to provide outstanding strength, durability, and reliability, even in the toughest environments. With a focus on precision and rigorous quality control, they adhere to international engineering and safety standards essential for critical uses. Alloy Steel Gr B5 Fasteners are a trusted choice in petrochemical plants, refineries, power generation facilities, and heavy machinery sectors. Their remarkable resistance to heat, pressure, and stress guarantees long-lasting performance, making them the go-to option for industries that can’t afford fastening failures.
Alloy Steel Gr B5 Fasteners are primarily made from chromium-molybdenum alloy steel, celebrated for its excellent hardenability and thermal stability. The addition of chromium enhances corrosion resistance and hardness, while molybdenum increases strength at high temperatures. These fasteners showcase impressive tensile and yield strength, outstanding fatigue resistance, and enhanced wear performance following heat treatment. Their mechanical stability under extreme heat, pressure, and vibration makes them incredibly reliable for critical operations. Alloy Steel Gr B5 maintains its structural integrity in harsh environments, ensuring minimal deformation and consistent long-term performance.
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 their place in applications that require robust and dependable fastening solutions under high temperatures, heavy loads, and continuous vibrations. They are frequently used in petrochemical processing units, refineries, boilers, turbines, high-pressure piping systems, and power plant equipment. These fasteners are perfect for engines, pumps, compressors, heat exchangers, and structural assemblies in heavy engineering sectors. Their ability to withstand thermal cycling and harsh industrial conditions makes them an essential choice for demanding applications.
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Ahmer 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 Manama, Bahrain.
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