SS316 welded neck flange is a pipeline flange designed specifically for high-performance applications. Compliant with ASME B16.5 production standard and material in accordance with ASTM A182 material standard; It has a long and conical neck that is welded to the pipeline to form a sturdy, durable, and leak proof connection, making it very suitable for harsh conditions such as high pressure, high temperature, and corrosion.

SS304 threaded coupling, made of ASTM A182 F304 stainless steel material, in compliance with ASME B16.11 standard, forged and capable of processing various thread forms such as NPT, BSPT, BSPP, etc. It has excellent corrosion resistance, high temperature and high pressure resistance, ensuring safe and reliable pipeline connections and durable sealing. Zhu Cheng Pipe Fittings can provide supporting customized forged pipe fittings of various types and materials.

Compare Socket Weld Flanges vs Threaded Flanges: key differences in strength, sealing, installation, and applications under ASME B16.5 & EN1092-1 standards. Learn how to choose the right forged flange for pressure, medium, and environment.

As a leading supplier, we provide high-quality ASME B16.5 Lap Joint Flanges and matching stub ends, covering all standard sizes from NPS 1/2" to 24". We stock a complete range of pressure classes (150 to 2500) and materials (ASTM/ANSIA105, A182,A694,A815 etc.), ensuring reliable performance for industries from petrochemical to water treatment. Partner with us for flanges that guarantee easy installation and maintenance.

Professionally supply ASME B16.47 large diameter welding neck flanges (WN Flanges), covering both Series A and B, sizes NPS 26-60, pressure ratings up to Class 900. Ideal for high-pressure, large-diameter pipeline connections in petroleum, chemical, energy, and other industries. Materials include carbon steel ASTM A105, stainless steel ASTM A182, etc., ensuring the safety and reliability of pipeline systems.

ASME B16.9 butt weld cap, as a key component of industrial pipeline systems, has standardized manufacturing specifications, strict size control, and diverse material selection, which enable it to meet the sealing requirements under different working conditions and provide solid guarantees for the safe and stable operation of pipeline systems.