Thabiso Steel stands out as a top-notch manufacturer and reliable supplier of high-quality Alloy Steel Gr B5 Fasteners, proudly based in Cape Town, South Africa. With a strong focus on engineering excellence and ensuring customer satisfaction, Thabiso Steel provides dependable fastening solutions suitable for a variety of industrial applications. Their Alloy Steel Gr B5 Fasteners are celebrated for their remarkable strength, durability, and wear resistance, making them perfect for tough environments. By leveraging cutting-edge technology and adhering to international standards, Thabiso Steel guarantees outstanding product performance and timely deliveries, which has helped them build a solid reputation both locally and globally.
These Alloy Steel Gr B5 Fasteners are primarily made up of chromium, molybdenum, and vanadium, all resting on a foundation of high-strength carbon steel. This unique blend boosts their corrosion resistance, tensile strength, and heat resistance. Typically, these fasteners showcase high yield strength, impressive toughness, and solid fatigue resistance, even when faced with extreme pressure or high temperatures. Their mechanical properties include a tensile strength range of 860–1100 MPa and a yield strength of about 690 MPa, making them perfect for high-stress situations. After undergoing heat treatment for enhanced hardness, they also retain good ductility and dimensional stability over time.
Specification : ASTM A 194 ASME SA 194
Standard : DIN, ASTM, BS and all International Standards
Length : 3 mm to 2 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Types : 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 | BS 1769 | DIN 7984 | |
UNI 5731 | BS 1083 | ANSI B18.3 | |
UNI 5739 | BS 3692 | ISO 4762 | |
ISO 4014 | ISO 4032 | UNI 5931 | |
ISO 4017 | ISO 4033 | BS 2470 | |
BS 1769 | ANSI B18.2.2 | BS 4168 | |
BS 3692 | |||
ANSI B18.2.1 | |||
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 | |
DIN 553 | BS 2470 | Spring Washers | |
DIN 438 | DIN 127 | ||
BS 4168 | BS 4464 | ||
BS 1802 |
Alloy Steel Gr B5 Fasteners are a go-to choice in industries that require exceptional strength and resistance to corrosion. You’ll often find them in power generation, petrochemical facilities, oil and gas exploration, and heavy machinery. These fasteners play a crucial role in high-pressure and high-temperature settings, like flanged joints, pressure vessels, and pipeline systems. Their ability to withstand stress also makes them ideal for structural uses in construction and marine sectors. Thabiso Steel’s Alloy Steel Gr B5 Fasteners are designed to deliver reliable performance even in the toughest conditions, where safety and strength are paramount. With their outstanding material properties, they promise a long service life and less maintenance for critical industrial systems.
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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