Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on high-quality Alloy Steel Gr B16 Fasteners designed for exceptional strength, durability, and dependable performance in tough industrial settings. With a reputation for precision manufacturing and a commitment to international standards, Thabiso Steel offers fasteners that excel in resisting corrosion, high temperatures, and mechanical stress. These Alloy Steel Gr B16 Fasteners are perfect for sectors like oil and gas, petrochemical, power generation, and heavy machinery, where secure and long-lasting fastening solutions are essential. Thabiso Steel guarantees consistent quality, operational efficiency, and safety across all applications.
Alloy Steel Gr B16 Fasteners are mainly made up of chromium, molybdenum, and carbon, with carefully controlled levels of manganese and silicon. This specific chemical makeup boosts their tensile strength, hardness, and resistance to wear, corrosion, and high temperatures. The fasteners boast a tensile strength of about 950–1,050 MPa and a yield strength of around 830 MPa. They also offer impressive ductility, toughness, and impact resistance, making them ideal for high-pressure, high-temperature, and critical industrial fastening tasks that demand long-lasting durability and mechanical reliability. Alloy Steel Gr B16 Fasteners are mainly made up of chromium, molybdenum, and carbon, with carefully controlled levels of manganese and silicon. This specific chemical makeup boosts their tensile strength, hardness, and resistance to wear, corrosion, and high temperatures. The fasteners boast a tensile strength of about 950–1,050 MPa and a yield strength of around 830 MPa. They also offer impressive ductility, toughness, and impact resistance, making them ideal for high-pressure, high-temperature, and critical industrial fastening tasks that demand long-lasting durability and mechanical reliability.Â
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 need strong, secure, and durable fastening solutions. They’re commonly used in assembling pipelines, pressure vessels, boilers, heat exchangers, turbines, and heavy machinery components in oil refineries, petrochemical plants, and power generation facilities. These fasteners ensure leak-proof and reliable joints even under extreme pressure, high temperatures, and corrosive environments. Their outstanding mechanical properties, resistance to wear and corrosion, and long service life make Alloy Steel Gr B16 Fasteners vital for maintaining safety, efficiency, and reliable performance.
ThabisoSteel 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 Cape Town, South Africa.
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