Haihao Group Ships ASTM B564 UNS N06625 NPT Reducing Flanges to Singapore Client
Haihao Group has completed the delivery of ASME B16.5 NPT reducing flanges for a project in Singapore, supporting the customer’s requirements for reliable, corrosion-resistant connections in a demanding offshore and industrial environment. The supplied components-3″ × 1/2″ Class 300 reducing threaded flange (RF), manufactured from ASTM B564 UNS N06625-are designed for exceptional durability where chloride-rich or high-temperature service is present.

ASTM B564 UNS N06625 ASME B16.5 Class 300 NPT reducing flange supplied by Haihao Group
Product Overview
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Product: NPT Reducing Threaded Flange (RF)
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Size: 3″ × 1/2″
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Pressure Rating: Class 300
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Standard: ASME B16.5
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Material: ASTM B564 UNS N06625 (Inconel 625)
Engineered for Corrosion-Intensive Applications
UNS N06625, widely known as Inconel 625, offers outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking. This makes the NPT reducing flange an excellent choice for offshore systems, chemical plants, marine service, and high-temperature pipework.
Haihao’s machining process ensures:
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Tight NPT thread tolerance
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Accurate ASME B16.5 RF flange dimensions
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Smooth sealing surfaces for leak-free performance
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Full material traceability and conformity to ASTM B564
Each flange undergoes strict inspection procedures, including visual examination, dimensional verification, and material testing, guaranteeing dependable performance in the field.
Supporting Singapore’s Industrial and Offshore Markets
Singapore’s energy and marine sectors demand components capable of withstanding aggressive service conditions. Haihao Group’s expertise in nickel-based alloy flange manufacturing ensures that clients receive products capable of long-term reliability, even under elevated pressure and corrosive environments.
Through continuous quality control and international-standard production processes, Haihao provides solutions trusted by EPC contractors and major end users across Southeast Asia.
