Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on high-quality Alloy Steel Gr B6 Fasteners that are designed for strength, durability, and dependable performance in tough industrial settings. Known for their precision manufacturing and strict compliance with international quality standards, Thabiso Steel delivers fasteners that excel in resisting corrosion, high temperatures, and mechanical stress. These Alloy Steel Gr B6 Fasteners are perfect for industries like oil and gas, petrochemical, power generation, and heavy machinery, where secure and long-lasting fastening solutions are crucial. Thabiso Steel is committed to maintaining consistent quality, safety, and operational efficiency across all applications.
Alloy Steel Gr B6 Fasteners are mainly made up of chromium, molybdenum, and carbon, with carefully controlled levels of manganese and silicon. This specific alloy mix boosts tensile strength, hardness, and resistance to wear, corrosion, and high temperatures. The fasteners boast a tensile strength of about 830–950 MPa and a yield strength of around 700 MPa. They also provide excellent ductility, toughness, and impact resistance, making them ideal for high-pressure, high-temperature, and critical industrial fastening tasks that require durability and reliability.
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 B6 | C | Mn | Si | P | S | Co | Cr |
| 0.15 max | 1.00 max | 1.00 max | 0.040 | 0.030 | – | 11.50-13.50 |
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
| 666 (≥) | 997 (≥) | 42 | 14 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
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 |
These Alloy Steel Gr B6 Fasteners are extensively used in sectors that need strong, secure, and long-lasting fastening solutions. They’re commonly found in the assembly of pipelines, pressure vessels, boilers, heat exchangers, turbines, and heavy machinery components in oil and gas refineries, petrochemical plants, and power generation facilities. These fasteners ensure leak-proof, reliable connections even under extreme pressure, high temperatures, and corrosive environments. With their outstanding mechanical properties, corrosion resistance, and long service life, Alloy Steel Gr B6 Fasteners are vital for safe, efficient, and dependable performance in critical industrial operations.
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.
Copyright 2025 ThabisoSteel. All rights reserved
