Haihao Group Supplies ASTM A333 Grade 6 Seamless Pipes for Singapore Project
Haihao Group has successfully completed the delivery of large-diameter seamless carbon steel pipes for a customer in Singapore.The supplied pipes are manufactured from ASTM A333 Grade 6, designed for low-temperature and demanding service conditions commonly found in energy, petrochemical, and industrial pipeline systems.
All products are produced in strict accordance with ASME B36.10M, ensuring accurate dimensional tolerances and reliable performance.

Large diameter ASTM A333 Grade 6 seamless steel pipes supplied by Haihao Group for Singapore project
Product Specifications
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Product: Seamless steel pipe
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Outside Diameter: 24″
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Wall Thickness: Schedule XS
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Standard: ASME B36.10M
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Material Grade: ASTM A333 Grade 6
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Length: 6 meters fixed length
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Pipe Ends: Beveled ends
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Surface Coating: Black paint
The seamless manufacturing process provides uniform wall thickness and excellent pressure resistance, while the beveled ends allow for efficient on-site welding.
Material Performance and Application
ASTM A333 Grade 6 is widely used in low-temperature service due to its good toughness and impact resistance.
These 24-inch seamless pipes are suitable for applications such as:
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Low-temperature oil and gas pipelines
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LNG and cryogenic-related systems
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Power generation and energy infrastructure
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Industrial transmission pipelines
The black-painted external surface offers temporary corrosion protection during transportation and storage.
Quality Control and Documentation
Each pipe supplied by Haihao Group undergoes strict inspection, including:
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Chemical composition analysis
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Dimensional and visual inspection
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Bevel angle and end preparation checks
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Compliance verification to ASTM A333 and ASME B36.10M
Complete documentation with EN 10204 3.1 certification is provided to ensure full traceability.
Why Singapore Clients Choose Haihao Group
With extensive experience in supplying large-diameter seamless steel pipes, Haihao Group supports international projects with:
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Stable material sourcing and consistent quality
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Strict inspection and quality assurance procedures
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Compliance with international standards
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Reliable delivery and export packaging
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Proven service to Southeast Asia markets
