Haihao Group has recently completed the manufacture and shipment of a batch of SA-333 Gr.6 seamless pipe products for a customer in Indonesia. Designed for low-temperature service, the seamless pipes were produced in accordance with ASME B36.10 dimensional requirements and supplied with a protective black coating for safe transportation and storage.
This shipment reflects Haihao Group’s continued commitment to supplying high-quality piping materials for energy, petrochemical, power generation, and industrial infrastructure projects across Southeast Asia.
Shipment Overview
The exported products include the following seamless steel pipes:
| Product | Size | Schedule | Material | Standard | Surface Finish |
| Seamless Steel Pipe (6 m Length) | 3″ | SCH 160 | SA-333 Gr.6 | ASME B36.10 | Black Painted |
| Seamless Steel Pipe (6 m Length) | 6″ | SCH 80 | SA-333 Gr.6 | ASME B36.10 | Black Painted |
Both sizes of SA-333 Gr.6 seamless pipe were manufactured to meet the customer’s specifications for dimensional accuracy, mechanical performance, and reliable field installation.
SA 333 Gr.6 seamless steel pipes manufactured by Haihao Group
Designed for Low-Temperature Pipeline Service
ASTM/ASME SA-333 Grade 6 is one of the most widely specified carbon steel materials for low-temperature piping systems. Its excellent toughness and weldability make it suitable for applications where ordinary carbon steel may become brittle under cold operating conditions.
The supplied SA-333 Gr.6 seamless pipe offers several important advantages:
- Excellent low-temperature toughness
- Seamless construction for enhanced pressure resistance
- Reliable weldability during installation
- Stable mechanical properties
- Suitable for demanding industrial environments
These characteristics make the material an ideal choice for LNG facilities, gas transmission lines, petrochemical plants, refrigeration systems, and offshore engineering projects.
Precision Manufacturing and Quality Control
Haihao Group follows strict quality management procedures throughout production to ensure every SA-333 Gr.6 seamless pipe meets international standards and customer expectations.
Manufacturing and inspection procedures include:
- Raw material verification
- Seamless pipe dimensional inspection
- Surface quality examination
- Mechanical property verification
- Standard compliance inspection
- Product identification and traceability
- Final quality inspection before shipment
The black-painted surface provides temporary corrosion protection during storage and international transportation while maintaining a clean appearance upon delivery.
Reliable Export Packaging for International Delivery
To ensure safe transportation to Indonesia, the seamless pipes were bundled securely and prepared for export shipment. Each pipe was clearly marked with material grade, size, schedule, and production information, allowing convenient identification upon arrival at the project site.
Haihao Group’s export team carefully coordinates packaging and logistics to minimize transit risks and support efficient project scheduling for overseas customers.
Supporting Global Pipeline Projects with Complete Piping Solutions
With more than 40 years of manufacturing experience, Haihao Group supplies a comprehensive range of pipeline products, including:
- Seamless steel pipes
- Butt weld pipe fittings
- Forged fittings
- Industrial flanges
- Branch outlet fittings
- Special forged components
Our products are manufactured in accordance with international standards such as ASME, ASTM, MSS, EN, DIN, JIS, and GOST, serving customers in the oil & gas, chemical processing, power generation, marine, and infrastructure industries.
If your project requires SA-333 Gr.6 seamless pipe or other low-temperature piping materials, Haihao Group is ready to provide dependable manufacturing, strict quality assurance, and efficient global delivery.
Contact Haihao Group today for technical support and a competitive quotation for your next pipeline project.
