Haihao Group Delivers Carbon Steel Flanges to Singapore Project
Haihao Group recently completed another successful shipment of carbon steel flanges for a key industrial project in Singapore. The order includes Slip-On (SO) Flanges RF and Weld Neck (WN) Flanges RF B Series, all manufactured according to ASME B16.5 and ASME B16.47-B standards, demonstrating Haihao’s strong capability in producing high-quality, standard-compliant pipeline components.
Carbon steel ASTM A105N ASME B16.5 slip on flanges ready for shipment
Product Overview
The delivered products feature the following specifications:
| Product | Size | Pressure Rating | Standard | Material | Coating |
|---|---|---|---|---|---|
| Slip-On Flange RF | 5″ | 150# | ASME B16.5 | ASTM A105N | Black paint |
| Weld Neck Flange RF (Series B) | 36″ | 150# SCH XS | ASME B16.47-B | ASTM A105N | Black paint |
Both flange types are precision-machined from ASTM A105N carbon steel, ensuring excellent strength, weldability, and durability in demanding service conditions. The black protective coating enhances corrosion resistance during handling and transport.
Precision Manufacturing & Quality Assurance
Every flange in this order underwent rigorous dimensional inspection, pressure testing, and surface finishing control. Haihao Group’s advanced production facilities and strict ISO 9001-certified quality management system guarantee that each component meets both ASME and client-specific standards.
To ensure full traceability, the shipment includes Material Test Certificates (MTCs) and compliance reports for ASME and ASTM requirements.
Supporting Singapore’s Industrial Growth
Singapore is a regional hub for petrochemical, offshore, and energy industries. Haihao Group’s products — such as forged steel flanges, pipe fittings, and customized pipeline accessories — are widely used in high-performance applications across these sectors.
This shipment reflects Haihao’s commitment to supporting global EPC contractors and industrial system integrators with reliable products and timely delivery.
Haihao Group: Trusted Global Supplier
With over 40 years of experience, Haihao Group has become one of China’s leading manufacturers and exporters of flanges, fittings, elbows, and pipeline systems.
Our extensive product portfolio covers ASME, EN, DIN, GOST, and JIS standards, serving customers in more than 100 countries, including Singapore, the UAE, France, and the UK.
Haihao continues to strengthen its position as a trusted partner for carbon steel and stainless steel pipeline solutions worldwide.