Haihao Group Supplies ASTM A193 B7M Stud Bolts and ASTM A194 2HM Nuts for Industrial Pipeline Project in Iraq

Haihao Group has successfully completed the shipment of a batch of ASTM A193 B7M stud bolts with ASTM A194 Grade 2HM hex nuts for a customer in Iraq. Manufactured in accordance with ASME B1.1 thread requirements and ASTM F2329 hot-dip galvanizing specification, these fastening products are designed to provide secure, long-lasting connections for demanding piping systems used in the oil & gas, petrochemical, and industrial sectors.

The order includes different stud bolt sizes to meet various flange connection requirements while ensuring consistent mechanical performance and corrosion resistance in harsh operating environments.

Product Details

The shipment includes the following products:

• Stud Bolt:3/4″ Diameter × 120 mm Length

• Material: ASTM A193 Grade B7M
• Nuts: 2 × ASTM A194 Grade 2HM Hex Nuts
• Thread Standard: ASME B1.1
• Surface Finish: Hot-Dip Galvanized (ASTM F2329)
  • Stud Bolt:7/8″ Diameter × 275 mm Length
• Material: ASTM A193 Grade B7M
• Nuts: 2 × ASTM A194 Grade 2HM Hex Nuts
• Thread Standard: ASME B1.1
• Surface Finish: Hot-Dip Galvanized (ASTM F2329)

ASTM A193 B7M stud bolts with ASTM A194 Grade 2HM hex nuts manufactured by Haihao Group

Why Choose ASTM A193 B7M Stud Bolts?

ASTM A193 B7M stud bolts are widely specified for pressure piping and flange assemblies where reliable preload and mechanical strength are essential. Compared with standard alloy steel fasteners, the B7M grade undergoes additional processing to achieve controlled hardness, making it suitable for applications requiring improved resistance to stress corrosion cracking.

Throughout this Iraq project, ASTM A193 B7M stud bolts were selected to ensure dependable flange integrity during long-term operation under demanding service conditions. Combined with ASTM A194 Grade 2HM heavy hex nuts, the fastening system delivers stable clamping force and reliable sealing performance.

Precision Manufacturing and Quality Assurance

Every ASTM A193 B7M stud bolts order manufactured by Haihao Group undergoes strict quality control throughout production. Dimensional accuracy, thread machining, mechanical properties, and coating quality are carefully inspected before shipment.

For this project, the products were manufactured according to international standards, including:

• ASTM A193 Grade B7M
• ASTM A194 Grade 2HM
• ASME B1.1 Thread Standard
• ASTM F2329 Hot-Dip Galvanizing

The hot-dip galvanized coating offers excellent corrosion protection during transportation, storage, and outdoor service, extending the service life of the fastening system.

Supporting Critical Pipeline Connections

Reliable fastening components are essential for maintaining leak-free flange connections in industrial pipelines. ASTM A193 B7M stud bolts are commonly used together with carbon steel, stainless steel, duplex stainless steel, and alloy steel flanges in:

• Oil and gas production facilities
• Refinery process units
• Petrochemical plants
• Power generation projects
• Water treatment facilities
• Pipeline transmission systems

Haihao Group supplies complete flange connection solutions, including flanges, gaskets, stud bolts, nuts, and pipe fittings, helping customers simplify procurement while maintaining consistent product quality.

Reliable Global Supply from Haihao Group

With more than 40 years of manufacturing experience, Haihao Group supplies industrial piping products to customers across the Middle East, Europe, Southeast Asia, Africa, and South America. Each shipment is produced according to customer specifications and international standards, ensuring reliable quality, timely delivery, and comprehensive technical support.

Whether your project requires standard fasteners or customized pipeline components, Haihao Group can provide complete engineering solutions backed by strict quality management and global export experience.

Contact Haihao Group today for professional support on stud bolts, nuts, flanges, pipe fittings, and complete pipeline packages tailored to your project requirements.