Ahmer Steel, a reputable manufacturer and supplier located in Manama, Bahrain, specializes in high-performance Alloy Steel Gr 2H Fasteners that are built to thrive in tough industrial settings. These fasteners are a go-to choice in sectors like heavy engineering, oil & gas, construction, and power generation, thanks to their remarkable strength, toughness, and durability. Crafted under strict quality standards, each Grade 2H fastener guarantees reliable load-bearing capacity, precise dimensions, and long-lasting performance. With their heat-treated alloy steel design, they can handle high pressure, extreme temperatures, and mechanical stress, making them a trustworthy option for critical bolted assemblies and structural connections.
Alloy Steel Gr 2H Fasteners are made from medium-carbon alloy steel, incorporating elements such as carbon, manganese, phosphorus, sulfur, and small amounts of other strengthening alloys. They undergo a heat treatment process involving quenching and tempering to achieve impressive tensile and yield strength. These fasteners boast excellent hardness, enhanced ductility, and reliable performance even under heavy loads. Their mechanical properties include strong resistance to fatigue, vibration, and thermal stress. The specific alloy composition ensures they maintain structural integrity and stability, making Gr 2H fasteners perfect for high-pressure, high-temperature, and heavy-duty fastening applications.
Specification :Â ASTM A 194 ASME SA 194
Standard :Â DIN, ASTM, BS and all International Standards
Length :Â 3 mm to 2 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Types :Â 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 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.
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 | Â | BS 1769 | DIN 7984 |
UNI 5731 | Â | BS 1083 | ANSI B18.3 |
UNI 5739 | Â | BS 3692 | ISO 4762 |
ISO 4014 | Â | ISO 4032 | UNI 5931 |
ISO 4017 | Â | ISO 4033 | BS 2470 |
BS 1769 | Â | ANSI B18.2.2 | BS 4168 |
BS 3692 | Â | Â | Â |
ANSI B18.2.1 | Â | Â | Â |
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 | Â |
DIN 553 | BS 2470 | Â | Spring Washers |
DIN 438 | Â | Â | DIN 127 |
BS 4168 | Â | Â | BS 4464 |
 |  |  | BS 1802 |
Alloy Steel Gr 2H Fasteners find extensive use in industrial systems that demand high-strength fastening in challenging operating conditions. You’ll often see them in pressure vessels, heat exchangers, boilers, flanges, valves, and pipeline assemblies. Their toughness and heat resistance make them particularly suitable for refineries, petrochemical processing units, chemical plants, and power generation facilities. Additionally, Gr 2H fasteners are utilized in heavy machinery, structural steel construction, and equipment that faces vibration and stress.
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Ahmer 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 Manama, Bahrain.
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