Yousef Steel, a trusted steel manufacturer and supplier located in Riyadh, Saudi Arabia, proudly offers top-quality **Alloy Steel B7M screws**. These screws are specifically designed for **high-pressure and high-temperature applications** that demand superior **toughness and corrosion resistance**. You’ll often find them in the **oil & gas**, **chemical processing**, **power generation**, and **refining** sectors, where controlled hardness and outstanding performance under stress are crucial.
Manufactured from **chromium-molybdenum alloy steel**, **ASTM A193 Grade B7M** screws undergo a meticulous process of **quenching and tempering**, followed by **strain aging** to manage hardness levels. This careful treatment achieves a **maximum hardness of 235 HBW (Brinell)**, making them more resistant to **hydrogen embrittlement** and stress corrosion cracking than standard B7 fasteners.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | IS, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Screw, Socket Head Cap Screw, Socket Set Screws, Anchor Screw, Blind Rivet, Concrete screw, Threaded Screw, Steel Shoulder Screw, Panel Screw, Machine Screw. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
With a **minimum tensile strength of 690 MPa** and remarkable **ductility and impact resistance**, B7M screws are perfectly suited for **sour service** and environments compliant with **NACE MR0175/ISO 15156**, especially where temperatures fluctuate or corrosive substances are involved.
Yousef Steel provides B7M screws in a variety of configurations, including **hex head screws, socket head screws**, and **custom fasteners**, with optional coatings like **PTFE**, **zinc**, or **hot-dip galvanizing**. Each screw can be delivered with complete **traceability**, **EN 10204 3.1/3.2 certifications**, and **third-party inspection** to ensure they meet industry standards and your specific requirements.
Yousef 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 Riyadh, Saudi Arabia.
Copyright 2025 Yousef Steel. All rights reserved
