Alloy 218 is a high-performance austenitic stainless steel, also known as Nitronic 60 or S21800, known for its excellent wear resistance, corrosion resistance, and high temperature performance, with a yield strength at room temperature almost double that of 304 and 316. It is widely used in power, chemical, petrochemical, food and oil, and gas industries.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

XM-19 is also called Nitronic 50 or S20910 stainless steel. Its yield strength is twice that of 316, 316L, 317, 317L, and 3 times that of 316 stainless steel. It has strong corrosion resistance and can maintain stable performance in extremely high and low temperature environments. This type of fastener is mostly used in marine, nuclear power, chemical, and oil and gas industries.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

C4 alloy, also known as N06455, is an ultra-low carbon high-silicon austenitic stainless steel, which can be used for a long time in strong oxidizing media and concentrated sulfuric acid and concentrated nitric acid environments.

The main application fields include: chemical industry, mining, metallurgy, petrochemical, medicine, pesticide, paper making, food, and other industries.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

Alloy 20 (UNS N08020/WNr 2.4660) is a corrosion-resistant alloy with many excellent properties. It has good resistance to oxidizing and moderately reducing corrosion, excellent resistance to stress corrosion cracking, and good local corrosion resistance. It has satisfactory corrosion resistance in many chemical process media. Fasteners of this material are mainly used in metallurgical and sulfuric acid industrial plants.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

Alloy 28 (UNS N08028, W. Nr. 1.4563) is an iron-based austenitic alloy. It has excellent ability to prevent reducing or oxidizing acids, stress corrosion cracking, and corrosion caused by the use environment, such as pitting corrosion and crevice corrosion. The alloy is particularly resistant to sulfuric acid and phosphoric acid corrosion. Used in chemical processing, pollution control equipment, pipelines for oil and natural gas wells, seawater heat exchangers and other devices.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

Alloy 31 (UNS N08031, W.Nr.1.4562) is a nitrogen-containing iron-nickel-chromium-molybdenum-copper corrosion-resistant alloy. Its pitting resistance in chloride ion-containing environment far exceeds that of 316L stainless steel. It is widely used in the chemical and petrochemical industry, environmental engineering, and oil and gas production, and other industrial fields.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Size: M3-M100

AL-6XN (N08367, 1.4501) is a low-carbon super austenitic stainless steel with corrosion resistance close to nickel-based alloys such as Hastelloy C-276, but lower cost and outstanding cost performance.

Main applications: flue gas desulfurization spray tower; Reverse osmosis seawater desalination equipment; Chemical reactor; A heat exchanger for seawater media; Crude oil split distillation column; Oil and gas extraction equipment; Scrubbers in pulp bleaching systems, etc.

Product category: Bolt, nut, washer, screw, threaded rod, Etc

Szie: M3-M100

Corrosion-resistant alloy 904L (N08926/1. 4539) is a highly alloyed austenitic stainless steel with very low carbon content.. 904L has better corrosion resistance than first-pass stainless steel in all kinds of phosphoric acids. Strongly oxidizing nitric acid has high resistance to pitting corrosion. It has high resistance to stress corrosion cracking in chloride solutions, concentrated hydroxide solutions, and hydrogen sulfide-rich environments.

Application fields: petroleum and petrochemical equipment reactors, sulfuric acid storage and transportation equipment, heat exchangers, flue gas desulfurization devices in power plants, scrubbers and fans in organic acid treatment systems.

Corrosion-resistant alloy 1.4529 (UNS N08926/Incoloy 926) performs extremely well in high-temperature and high-concentration media environments. Whether it is sulfuric acid, phosphoric acid, acid gas, seawater, salts, or organic acids and other harsh media, it can show excellent corrosion resistance. Especially in halide media and acidic environments containing hydrogen sulfide, this material has excellent resistance to pitting corrosion and crevice corrosion.

Applications: Fire protection systems, seawater purification systems, pulp bleaching tanks, marine engineering, acid gas lines, phosphoric acid evaporators, heat exchangers, filters, mixers, sulfuric acid separation systems, condensing and piping systems in power plants, reverse osmosis desalination plants.

318 alloy is a high-performance duplex stainless steel. With its excellent strength, corrosion resistance, and high-temperature stability, it is widely used in harsh environments such as pressure vessels, chemical equipment, and nuclear power projects. It is also suitable for precision electronics, rail transit, Building decoration, and other fields. The material has high toughness and welding performance, and can meet the long-term stable operation requirements under complex stress conditions.

Product category: Hex bolt, flange bolt, eye bolt, wing bolt, anchor bolt, hex nut, wing nut, t nut, spring nut, flat washer, machine screw, wood screw, Self-tapping screws, drilling screws, set screw, threaded rod, Etc

Size: M3-M100

254SMO (UNS31254, WN.R1.4547) is specially designed for extremely corrosive environments, especially in halide-containing and acidic media. It has excellent resistance to pitting corrosion, crevice corrosion, and uniform corrosion. Its performance in chloride and acidic media far exceeds that of conventional stainless steel, and its performance is close to that of nickel-based alloys and titanium materials.

Application fields: 1. Petroleum and petrochemical equipment 2. Pulp and paper bleaching equipment 3. Power plant flue gas desulfurization device 4. Offshore system or seawater treatment, power plant condensing pipeline, seawater desalination treatment equipment 5. Desalination industrial equipment 6. Heat exchanger in a working environment with chloride ions.