Phanuphong Steel and Plates, located in the vibrant city of Bangkok, Thailand, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy Steel Gr 2H Screws, serving a variety of industries around the globe. These screws are celebrated for their durability, dependability, and outstanding performance even in high-stress situations, all while adhering to international standards. Thanks to cutting-edge manufacturing processes and rigorous quality checks, Phanuphong guarantees that their products boast superior strength and impressive corrosion resistance. Their Alloy Steel Gr 2H Screws are a go-to choice in demanding environments where safety, precision, and long-lasting performance are essential for industrial operations.
These Alloy Steel Gr 2H Screws are primarily made from carbon, manganese, and a mix of alloying elements like chromium and molybdenum, which give them remarkable strength and hardness. They undergo heat treatment to boost their tensile strength and resistance to stress. On a mechanical level, they showcase high yield strength, exceptional hardness, and excellent fatigue resistance, making them perfect for high-pressure and high-temperature applications. Their well-balanced composition ensures they remain tough, wear-resistant, and durable, allowing them to perform effectively in harsh conditions without sacrificing structural integrity.
| Specifications | : | ASTM A 194 ASME SA 194 |
| 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. |
| Alloy Steel 2H | 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 2H | Medium Carbon Steel, Quenched and Tempered | 1/4 – 4 | 1000 | 175 | C24 | C38 | 1,2 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
You’ll find Alloy Steel Gr 2H Screws being widely utilized in sectors such as oil and gas, petrochemical, power generation, and construction. They’re particularly well-suited for securing flanges, valves, and fittings in high-pressure piping systems and equipment. Their impressive mechanical strength and resistance to corrosion make them ideal for use in refineries, chemical plants, and boilers. Additionally, these screws are essential in heavy engineering, automotive, and marine applications where long-lasting reliability is a must. Their ability to endure high temperatures and pressures makes them a preferred option for critical industrial fastening needs.
Â
Alloy Steel Gr 2H Screws find extensive applications in high-strength, durability, and load-carrying capacity applications. They are indispensable for construction, oil & gas, power generation and heavy machinery sectors. Where high-pressure secure fastening is of prime importance. Typical applications are in flanges, valves, pressure vessels, and structural assemblies, providing stability and reliability in challenging conditions. Their heat-treated composition also exhibits great mechanical properties, hence are perfect for applications involving high stresses where performance and strength are a necessity.
Phanuphong 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 Bangkok, Thailand.
Copyright 2025 Phanuphong Steel. All rights reserved