Faisal Steel stands as a trusted name in Muscat’s industrial landscape, specializing in the supply of high-integrity Alloy Steel Gr B7 Fasteners. We understand that the reliability of your projects hinges on the quality of their smallest components. That’s why our commitment is to provide fasteners that are engineered for strength and durability, supporting the ambitious infrastructure and energy sectors across Oman and beyond with products you can depend on, bolt by bolt.
The strength of Alloy Steel Gr B7 Fasteners comes from a careful balance of chromium and molybdenum within their composition. This specific alloy recipe allows them to be heat-treated to achieve impressive mechanical properties, including high tensile strength and excellent resistance to creep and stress relaxation, even when faced with elevated temperatures. This makes them far more capable than standard fasteners, ensuring they maintain their clamping force and integrity under demanding conditions.
Specification :Â ASTM A193 / ASME SA193
Dimension :Â DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range :Â M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length :Â 3 mm to 200 mm
| Alloy Steel B7 | C | Mn | Si | P | S | Mo | Cr |
| 0.08-0.15 | 1.00 max | 1.00 max | 0.040 | 0.030 | 0.15-0.25 | 11.50-13.50 |
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
| Grade B7 | M64 and under | 860 | 720 | 16 | 50 | 321 HBW or 35 HRC |
| Over M64 to M100 | 795 | 655 | 16 | 50 | 321 HBW or 35 HRC | |
| Over M100 to M180 | 690 | 515 | 18 | 50 | 321 HBW or 35 HRC |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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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 |
BS 1769 |
DIN 7984 |
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|
UNI 5731 |
BS 1083 |
ANSI B18.3 |
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|
UNI 5739 |
BS 3692 |
ISO 4762 |
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|
ISO 4014 |
ISO 4032 |
UNI 5931 |
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|
ISO 4017 |
ISO 4033 |
BS 2470 |
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|
BS 1769 |
ANSI B18.2.2 |
BS 4168 |
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BS 3692 |
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ANSI B18.2.1 |
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Socket & Slotted Set Screws |
Socket & Slotted Countersunk Screws |
Studs |
Washers |
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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 |
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|
DIN 553 |
BS 2470 |
Spring Washers |
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|
DIN 438 |
DIN 127 |
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BS 4168 |
BS 4464 |
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|
BS 1802 |
You will typically find these robust fasteners hard at work in some of the most demanding environments. They are essential for assembling critical pressure vessels, piping systems in power plants, and valves within the oil and gas industry. Any application involving high pressure, extreme temperatures, or heavy loads, from construction machinery to large-scale industrial projects, benefits from the reliable performance of Grade B7 fasteners, making them a fundamental component for safety and longevity.
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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