Haihao Group has successfully delivered a batch of ASTM A106 Grade B seamless carbon steel pipes to a valued customer in South Korea, supporting high-pressure industrial piping applications.
All pipes were supplied in fixed 6-meter lengths, manufactured with strict dimensional control and consistent wall thickness to meet demanding project requirements.
This shipment highlights Haihao Group’s reliability as a seamless steel pipe supplier for the Korean market.

ASTM A106 Grade B seamless steel pipes are ready for shipment
Seamless Steel Pipe Specifications
The supplied products cover multiple schedules, designed for different pressure and service conditions:
- 1/2″ SCH 160 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 2″ SCH 160 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 2″ SCH 80 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 3/4″ SCH 160 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 3/4″ SCH XXS seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 4″ SCH 40 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
- 4″ SCH 80 seamless steel pipe, ASTM A106 Grade B, 6 meters per length
All pipes were supplied as true seamless construction, ensuring uniform strength and excellent pressure resistance.
Why ASTM A106 Grade B Seamless Pipes?
ASTM A106 Grade B is one of the most widely used materials for high-temperature and high-pressure service, especially in power generation, oil & gas, and industrial processing systems.
Key advantages include:
- Excellent mechanical strength and toughness
- Reliable performance under elevated temperature and pressure
- Superior weldability and fabrication performance
- Consistent chemical composition for stable service life
These characteristics make ASTM A106 Grade B seamless steel pipes ideal for demanding applications in South Korea’s industrial sector.
Precision Manufacturing and Quality Control
Haihao Group applies strict quality assurance procedures throughout production and delivery, including:
- Raw material inspection and chemical analysis
- Dimensional and wall thickness verification
- Visual inspection of inner and outer surfaces
- Length control with 6-meter fixed cutting
Each pipe is supplied with full traceability to ensure compliance with project and international standards.
Trusted Seamless Steel Pipe Supplier for South Korea
With extensive export experience in Asia, Haihao Group provides customized seamless carbon steel pipes with stable quality, competitive lead times, and professional technical support.
Our products are widely used in refineries, power plants, and industrial piping systems across South Korea.

