Yousef Steel, a trusted manufacturer and supplier located in Riyadh, Saudi Arabia, proudly offers top-notch **Alloy Steel Grade B7 screws** designed for exceptional performance in **high-temperature** and **high-pressure** industrial settings. These screws are crafted to comply with **ASTM A193 Grade B7** standards and are commonly utilized in **oil & gas**, **petrochemical**, **power generation**, and **construction** sectors, especially for securing pressure vessels, flanges, valves, and fittings.
**Grade B7** screws are constructed from **chromium-molybdenum alloy steel**, typically undergoing **quenching and tempering** processes to boost their **strength, hardness, and fatigue resistance**. They boast a **minimum tensile strength of 860 MPa** and a **yield strength of 720 MPa**, making them perfect for critical bolted connections that face mechanical and thermal stress.
| Standard | : | ASTM A194 |
| Dimension | : | DIN, ASTM, BS and all International Standards |
| Size | : | M02 to M33 |
| Materials / Grades | : | Alloy Steel B7 |
| Length | : | UPTO 5 METERS |
| Type | : | Hex Screw, , Coach Screw etc. |
| Grade | C | Mn | P | S | SI | Cr | Mo |
| B7 | 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
These screws excel in **resisting heat, wear, and moderate corrosion**, and can handle **temperatures up to 450°C (840°F)**. You can find them in various forms, including **hex head screws, socket head cap screws, and custom-threaded fasteners**, available in both metric and imperial sizes.
Alloy Steel Gr B7 Screws are extensively utilized in high-stress applications that demand superior strength, hardness and resistance to temperature. These screws are necessary for high-temperature and high-pressure conditions. So they are perfectly suited for oil & gas, petrochemical, power generation, and construction sectors. They ensure reliable fastening in flanges, valves, pressure vessels, and structural assemblies and guarantee durability and reliability. Due to their heat-treated material, they can withstand harsh conditions, so they are the first choice for critical fastening in high-demand industrial sectors.
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.
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