N08020 bright bar is a super austenitic corrosion-resistant nickel-iron-chromium-molybdenum-copper alloy. Designed with multi-element alloy formula of nickel, chromium, molybdenum, copper and niobium, it delivers outstanding comprehensive mechanical properties with balanced tensile and yield strength as well as excellent plasticity. It deforms uniformly under force to prevent brittle fracture. Its strength and corrosion resistance can be adjusted via solution heat treatment. It features stable cutting performance and low tool wear, enabling high-precision, high-finish workpieces through turning, milling and drilling. It owns superior thermoplasticity for smooth hot forging and hot rolling to manufacture various special-shaped blanks and finished products. Though cold working causes work hardening, it can still realize dimensional shaping and improve overall material performance. Niobium stabilization eliminates intergranular corrosion risk after welding without post-weld heat treatment. Its high-nickel matrix effectively resists chloride stress corrosion cracking, maintaining long-term stability in sulfuric acid, phosphoric acid, nitric acid and mixed chloride-containing strong acid environments. As a core material for corrosive working conditions in chemical, pharmaceutical, food and other industries, it guarantees long-term stable operation of equipment.

Chemical element content (%)

Specification：1.00~300.00mm

Application:It is mainly used to manufacture heat exchangers, mixing reactors, pickling equipment, chemical process pipes, pump casings, valves, fasteners, flanges, electrolytic cells, food & pharmaceutical fermentation tanks. Widely applied in fine chemical, pharmaceutical manufacturing, food processing, pickling metallurgy, oil & gas environmental protection, seawater desalination, new energy electrolysis and other industries.

Core Advantages Over Competitors

1. Comprehensive & stable corrosion resistance: Precisely control the ratio of core alloy elements including nickel, chromium, molybdenum, copper and niobium to adapt to mixed corrosive media of sulfuric acid, phosphoric acid, nitric acid and chloride. Its corrosion resistance is several times higher than 316L stainless steel. Niobium fixes carbon to avoid intergranular corrosion after welding without secondary heat treatment, greatly cutting customers’ processing costs and achieving far longer service life than ordinary stainless steel in strong acid environments.

2. Outstanding surface quality: Adopt professional precision rolling and polishing technology for special alloys to realize ultra-high flatness and finish of bars. Smooth surface reduces friction loss during processing, avoids pitting corrosion and stress concentration caused by surface defects to extend service life of parts. Surface passivation treatment improves long-term rust and corrosion resistance.

3. Strictly controlled dimensional accuracy: Equipped with imported precision rolling equipment and automatic spectrum & dimensional testing instruments to achieve narrow dimensional tolerances. Single bar owns high precision, and dimensional difference within the same batch is extremely small with excellent uniformity. It ensures consistent specifications during mass production and raises finished product qualification rate and processing efficiency.

4. Rich product variety: According to market demand and customer's special requirements, customized products are provided to meet the use requirements under various complex working conditions, providing customers with more choices.

5. Perfect after-sales service: The perfect after-sales service system can respond to customer needs and feedback in a timely manner. For problems encountered by customers during use, technical support and solutions are provided to customers quickly.

We mainly engage in cold heading wire, bar, peeled bar, and profiled bar; our products cover 11 series and more than 300 grades, and we continue to develop a variety of professional steels. We can provide all-round solutions such as cold heading finishing line manufacturing and high-precision bright bar customization, and provide one-stop procurement services and package procurement solutions for global customers. The website displays some grades. If you don’t have the grade you need, please contact us by phone or email.