Haihao Group Supplies ASTM A193 B7 Hex Bolts and ASTM A194 2H Hex Nuts to Russia

Haihao Group recently completed the production and shipment of a batch of ASTM A193 B7 metric hex bolts and ASTM A194 2H hex nuts for a customer in Russia. The order included M20 metric coarse thread fasteners manufactured according to ASME and ISO standards for industrial bolting applications.

As a professional supplier of industrial fasteners, Haihao Group provides reliable bolting solutions for pipeline systems, pressure vessels, petrochemical equipment, power plants, and flange connection projects worldwide.

Products Included in This Shipment

The Russian customer ordered the following fastening products:

Product	Size	Material	Standard
Metric Hex Nut	M20	ASTM A194 Gr 2H	ASME B18.2.6M / ISO 724
Metric Hex Bolt	M20 × 110 mm	ASTM A193 B7	ASME B18.2.6M
Metric Hex Bolt	M20 × 100 mm	ASTM A193 B7	ASME B18.2.6M

All products featured:

• Metric coarse thread
• ISO hexagon type
• Fine-grained carbon steel material
• Strict dimensional inspection before shipment

ASTM A193 B7 Metric Hex Bolts for Industrial Fastening

The primary product supplied in this shipment was the ASTM A193 B7 metric hex bolt for flange connection systems, which is widely used in high-pressure and high-temperature industrial environments.

Features of ASTM A193 B7 Hex Bolts

High Mechanical Strength

ASTM A193 Grade B7 bolts offer excellent tensile strength and load-bearing performance.

Reliable Performance Under Pressure

Suitable for:

• Industrial piping systems
• Flange assemblies
• Pressure vessel equipment
• Petrochemical facilities

Stable Heat Resistance

B7 bolting materials are widely used in elevated temperature environments.

Metric Coarse Thread Design

The ISO 724 metric coarse thread improves assembly efficiency and fastening reliability.

Haihao Group manufactures ASTM A193 B7 metric hex bolts for flange connection systems according to international industrial standards.

ASTM A194 Grade 2H Heavy Hex Nuts

The shipment also included ASTM A194 Grade 2H heavy hex nuts, which are commonly paired with ASTM A193 B7 bolts for industrial bolting systems.

Advantages of ASTM A194 2H Nuts

Excellent Strength Compatibility

Designed to match the mechanical properties of ASTM A193 B7 bolts.

Reliable Thread Engagement

The ISO 724 thread standard ensures stable fastening and accurate assembly.

Suitable for Critical Industrial Applications

Widely used in:

• Oil & gas pipelines
• Refinery systems
• Offshore engineering
• Industrial equipment maintenance

Haihao Group supplies ASTM A194 2H heavy hex nuts with ISO metric threads in multiple sizes and specifications.

ASME B18.2.6M and ISO 724 Standards

All products in this shipment were manufactured according to recognized international fastening standards.

ASME B18.2.6M

This standard covers:

• Metric heavy hex bolts
• Hex nuts
• Dimensional requirements
• Mechanical properties

ISO 724 Thread Standard

ISO 724 specifies:

• Metric thread dimensions
• Thread pitch
• Coarse thread profiles

Strict compliance with these standards helps ensure interchangeability and installation reliability for global industrial projects.

Applications of Industrial Hex Bolts and Nuts

Haihao Group fasteners are widely used in demanding industrial environments requiring secure and durable bolted connections.

Main Applications

• Oil & gas pipeline systems
• Petrochemical plants
• Power generation facilities
• Industrial flange connections
• Pressure vessel assemblies
• Offshore engineering projects
• Valve and pump systems

Reliable fastening performance is essential for maintaining long-term pipeline safety and equipment stability.

Why ASTM A193 B7 Bolts Are Widely Used

Among industrial fasteners, ASTM A193 B7 metric hex bolts for flange connection systems remain one of the most popular choices because of their strength and versatility.

Key Benefits

High Tensile Strength

Suitable for heavy-duty industrial service.

Good Toughness

Provides dependable mechanical performance under stress.

Excellent Compatibility

Works effectively with ASTM A194 2H heavy hex nuts.

Cost-Effective Industrial Solution

Combines strong performance with practical manufacturing efficiency.

Strict Quality Inspection Before Shipment

Haihao Group follows comprehensive inspection procedures to ensure stable fastener quality.

Inspection Procedures Included

• Raw material verification
• Thread inspection
• Dimensional measurement
• Mechanical property testing
• Surface quality inspection
• Packaging verification

Every batch of ASTM A193 B7 metric hex bolts and ASTM A194 2H hex nuts is carefully checked before export shipment.

Why Customers Worldwide Choose Haihao Group

Haihao Group continues to support global industrial projects with dependable fastening products and professional export services.

Our Advantages

Extensive Export Experience

Products exported to:

• Russia
• Europe
• Southeast Asia
• Middle East
• South America

Complete Industrial Supply Capability

Haihao Group also supplies:

• Pipe fittings
• Flanges
• Gaskets
• Steel pipes
• Stud bolts and nuts

Customized Manufacturing Support

We can produce:

• Metric and imperial threads
• Special coatings
• Custom dimensions
• Project-specific packaging

Contact Haihao Group for Industrial Fastener Solutions

If you are looking for a reliable supplier of ASTM A193 B7 metric hex bolts for flange connection systems, Haihao Group can provide high-quality industrial fasteners, competitive pricing, and reliable delivery for global projects.

Welcome to contact our sales team for technical support and quotations.

FAQ

What is ASTM A193 B7 material?

ASTM A193 B7 is a high-strength alloy steel material commonly used for industrial bolting in high-pressure and high-temperature applications.

What is ASTM A194 Grade 2H used for?

ASTM A194 Grade 2H heavy hex nuts are designed for use with high-strength bolts such as ASTM A193 B7 in industrial flange systems.

What is the difference between metric coarse and fine threads?

Metric coarse threads have larger thread spacing and are generally preferred for industrial applications because of easier assembly and better resistance to thread damage.

What industries use ASTM A193 B7 bolts and ASTM A194 2H nuts?

They are widely used in oil & gas, petrochemical, power generation, offshore engineering, and pressure vessel industries.

Can Haihao Group provide customized industrial fasteners?

Yes. Haihao Group can manufacture customized bolts and nuts according to material grade, thread type, coating, dimensions, and project specifications.