NXF UNS S32760 F55/S32760/1.4501 DN15-1200 Class3000-9000 Super Duplex F55 Stainless Steel Threaded Hexagonnal Nipple

  1.Raw Material Selection & PreparationChoose appropriate metal materials (e.g., carbon steel, stainless steel) based on product specifications, and cut the raw material into fixed-length blanks using a cutting machine.   2.Cold Heading FormingUse a cold heading machine to process the blank into a hexagon head shape at room temperature. This step relies on metal plastic deformation to form the head without changing the material's overall properties.   3.Thread RollingEmploy a thread rolling machine to roll external threads on both ends of the stud. The rolling process enhances thread strength and surface finish compared to cutting threads.   4.Heat TreatmentConduct heat treatment (e.g., quenching and tempering) according to material requirements to improve the stud's hardness, toughness, and mechanical performance, ensuring it meets load-bearing standards.   5.Surface TreatmentPerform surface treatment to prevent corrosion and enhance appearance, such as galvanizing, chrome plating, or phosphating, based on application environments (e.g., humid, high-temperature).   6.Precision InspectionUse testing tools (e.g., thread gauges, calipers, hardness testers) to inspect key dimensions (thread accuracy, hexagon head size), mechanical properties, and surface quality of the studs. Reject products that do not meet specifications.   7.Cleaning & DryingClean the inspected studs to remove surface oil, dust, or residual treatment agents, then dry them thoroughly to avoid secondary contamination.   8.Packaging & StoragePackage the qualified studs in moisture-proof, anti-collision packaging (e.g., cartons, plastic bags) and store them in a dry, well-ventilated warehouse to ensure product quality before delivery.

New XiFei (SuZhou) Business Co.,Ltd is one of the leading and most respected manufacturers in China. Our products include metals, machinery, containers, construction materials, mechanical products, electrical systems, and medical accessories. Established in 1980, XIFEI has been working diligently ever since to embrace the needs of our global customer base.We work to ensure absolute customer satisfaction. Our team has dedicated itself to perfecting our three core components, "Service, Management and Craftsmanship."     Our advantage as follow: 1.We have our own factory, and we can control the cost by producing by ourselves. We have a great advantage in price and can give you the lowest price. 2. We can strictly control the quality. We have production, quality inspection, warehousing and other departments to coordinate and control the quality. 3. Our biggest advantage is 3S service. Small quantity, short time, special materials.