Shanxi Jianing Forging can process 304, 304L, 316, 316L stainless steel forgings, with a complete range of real-world cases of stainless steel flanges, shafts, and ring forgings, offering excellent corrosion resistance and suitable for chemical and seawater corrosion protection conditions.
In the field of marine engineering equipment, the corrosion resistance and mechanical properties of key components directly affect the equipment's service life and operational safety. A seawater equipment factory in Liuzhou, Guangxi, has long been engaged in the production of seawater desalination and supporting equipment for offshore oil extraction platforms. Its core component—the stainless steel forging—is exposed to extreme environments of high salt spray and high humidity, which places strict demands on material strength, pitting resistance, and dimensional accuracy.
After about 18 months of service, the products supplied by the original forging supplier frequently exhibited surface rust, localized cracks, and dimensional deformation, which not only increased equipment downtime maintenance costs but also affected the end customer's engineering progress due to the short replacement cycle. The customer urgently needed a stainless steel forging that could withstand long-term seawater corrosion while maintaining good mechanical stability, but after trying multiple suppliers, none met the expected service life.
Jianing Forging reorganized material selection and forging processes based on the actual working conditions of the seawater equipment plant. We recommend using lower carbon duplex stainless steel (such as 2205) as the base material. Through multi-directional forging and more precise temperature control technology, the internal grains of the forging are refined and the microstructure uniform, improving resistance to chloride ion stress corrosion cracking. At the same time, to meet the high-precision fitting requirements during equipment installation, we offer integrated rough machining + finish machining services, keeping key dimensional tolerances within ±0.05mm. Third-party salt spray tests have verified that this forging has no red rust even after 5,000 hours of continuous exposure in a simulated marine environment, with tensile strength stabilizing above 650MPa.
After adopting stainless steel forgings customized by Jianing Forging, the replacement cycle for core components of the customer's equipment was extended from the original 18 months to over 5 years, downtime and maintenance frequency dropped by 70%, and overall operating costs were lowered by about 35%. This batch of forgings has successfully passed the customer's full-machine durability test and has been included as standard equipment in the product manual for their next-generation seawater equipment.
