Haihao Group recently completed the delivery of cold deformed seamless steel pipes for a customer in Latvia. The pipes were manufactured in compliance with GOST 8734-75, using Grade 20 (20#) carbon steel, and supplied with precise dimensional control to meet the customer’s technical requirements.

This batch of seamless pipes is intended for industrial applications where stable mechanical performance, dimensional accuracy, and standard compliance are essential.

GOST 8734-75 20# seamless pipes

Product Specification Details

The supplied seamless steel pipes featured the following specifications:

• Product: Cold deformed seamless steel pipe
• Standard: GOST 8734-75
• Steel Grade: 20 / 20#
• Outside Diameter: 22 mm
• Wall Thickness: 1.5 mm
• Wall Thickness Tolerance: ±0.3 mm
• Manufacturing Method: Cold drawn / cold deformed

Each pipe was produced to ensure uniform wall thickness, smooth internal surface quality, and consistent mechanical properties.

Advantages of GOST 8734-75 Grade 20 Seamless Steel Pipe

Grade 20 seamless steel pipe under GOST 8734-75 is widely used in mechanical structures, pressure-related components, and general industrial systems. Key benefits include:

• Reliable strength and ductility balance
• Good machinability and forming performance
• Stable quality for cold deformed applications
• Compliance with Russian and CIS market standards

The 22×1.5 mm seamless pipe size is especially suitable for precision equipment, hydraulic lines, and mechanical assemblies.

Quality Control and Manufacturing Assurance

For this Latvia shipment, Haihao Group applied strict quality control throughout production and inspection, including:

• Raw material verification for Grade 20 steel
• Dimensional inspection of OD and wall thickness tolerance
• Visual inspection of internal and external surfaces
• Compliance checks against GOST 8734-75 requirements

All pipes were securely packed to protect surface condition during international transportation.

Reliable Supplier of GOST Standard Seamless Steel Pipes

Haihao Group supplies a wide range of GOST standard seamless steel pipes, including cold drawn and hot finished products, in various carbon steel and alloy steel grades. Our products are exported to Europe, Central Asia, the Middle East, and other global markets.

With stable production capacity and export experience, we support customers with consistent quality, technical documentation, and on-time delivery.