Haihao Group delivered ASME B16.9 ASTM A403 WP 316/ 316L pipe fittings to Singaporean customer
Haihao Group is a comprehensive industrial and trading service provider specializing in comprehensive pipeline solutions. Recently, we delivered ASME B16.9 ASTM A403 WP 316/316L pipe fittings to a Singaporean customer. The products purchased by the customer include:
Concentric reducer (16 “x10” outer diameter, 36.53mm/23.83mm wall thickness)
45° long radius elbow (10 “NB, 23.83mm wall thickness)
90° long radius elbow (16” NB, 36.53mm wall thickness)
All components are made of ASTM A403 WP316/316L austenitic stainless steel, with dual certification of material composition, meeting the specifications of 316 and 316L. The pipe fittings have undergone solution acid heat treatment (SSAHT) to achieve the best corrosion resistance and mechanical properties.

ASME B16.9 ASTM A403 WP 316 316L pipe fittings
Technical compliance
The ASME B16.9 ASTM A403 WP 316/316L pipe fittings we produced for the customers in Singapore fully comply with the ASME B16.9 butt welding accessory size standard
The wall thickness tolerance is maintained in accordance with the ASME B16.9 progress specification
According to the requirements of ASTM A403, the material is traceable to the factory certification
Quality Assurance
100% dimensional verification is carried out using coordinate measurement with a three-coordinate measuring machine
Non-destructive testing includes magnetic particle inspection (MPI).
The pressure grade verification was carried out in accordance with the ASME B16.9 hydrostatic test procedure
This ASME B16.9 ASTM A403 WP 316/316L pipe fitting order attests to Haihao’s ability to provide complex process piping solutions. Our inventory includes a full range of fittings (elbows, tees, reducers) that comply with ASME B16.9 standard, with grades of 304/304L, 316/316L and duplex alloys, sizes ranging from 1/2 “to 48”, and rated pressures up to 2500#.
For special requirements of chemical processing, offshore platforms or LNG terminals, our engineering team provides complete BOM optimization services. Browse our pipeline catalog or contact our experts at sales@haihaogroup.com for a tailor-made solution.