Yousef Steel, a reputable manufacturer and supplier located in Riyadh, Saudi Arabia, provides top-notch **Alloy Steel Grade 2HM fasteners** that are specifically engineered for **critical, high-pressure, and corrosive service environments**. These fasteners are perfect for use in **oil & gas**, **petrochemical plants**, **offshore platforms**, and **power generation** systems, particularly in situations where **sour service** and **NACE compliance** are essential.
Crafted in accordance with **ASTM A194 Grade 2HM**, these fasteners are produced from **medium carbon alloy steel** and undergo a process of **quenching, tempering, and strain-aging** to achieve a **controlled hardness** that doesn’t exceed **235 HBW**. This careful treatment helps prevent **hydrogen embrittlement** and **stress corrosion cracking**, making them suitable for **sour gas (H₂S) service** under the **NACE MR0175/ISO 15156** standards.
Specification : ASTM A 194 ASME SA 194
Standard : DIN, ASTM, BS and all International Standards
Length : 3 mm to 2 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Types : 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 2 | 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 2HM | Medium Carbon Steel, Quenched and Tempered | 1/4 – 4 | 1000 | 150 | 159 | 237 | 1,2,3 |
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 |
Yousef Steel provides a comprehensive selection of 2HM fasteners, including **hex nuts, heavy hex nuts, screws, bolts, and stud bolts**, available in both **metric and imperial dimensions**. The finishes offered include **PTFE coating**, **zinc plating**, **hot-dip galvanizing**, and **black oxide**, ensuring robust corrosion protection even in harsh conditions.
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
