Operating from the industrial heart of Muscat, Faisal Steel has carved a strong reputation as a trusted manufacturer and supplier of specialized industrial components. We understand that the integrity of your projects often hinges on the quality of the smallest parts, which is why our focus on Alloy Steel Gr B16 Fasteners is so meticulous. We are committed to providing a reliable source for these critical components, ensuring that our partners can build with confidence, backed by products that meet exacting standards for performance and durability in even the most demanding environments.
The strength of Alloy Steel Gr B16 Fasteners comes from a carefully balanced chemical composition, rich in chromium and molybdenum, which gives them their distinctive high-temperature capabilities. This metallurgical recipe translates directly into impressive mechanical properties, including exceptional tensile strength and remarkable resistance to creep. Essentially, these fasteners are engineered not to stretch or weaken significantly under intense heat and constant stress, making them uniquely suited for applications where ordinary steel bolts would simply fail over time, ensuring long-term structural integrity.
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 |
You will typically find Alloy Steel Gr B16 Fasteners hard at work in the most challenging industrial sectors. They are indispensable in high-temperature piping systems within power generation plants and oil refineries, where they securely join flanges and components that handle superheated steam and process fluids. Their reliability also makes them the preferred choice for critical assemblies in pressure vessels, heat exchangers, and other heavy equipment that operates under sustained elevated temperatures, proving essential for both operational safety and the prevention of costly downtime due to component failure.
FAISAL 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 Muscat, OMAN.
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