Din933 Stainless Steel 310s 310S(2520) Stainless Steel Full Thread Hex Bolt Hex Head Bolt Hexagonal Bolt

310S (2520) is a high-nickel high-chromium austenitic heat-resistant steel, with a nickel content of 19-22% and a chromium content of 24-26%. Its outstanding oxidation resistance enables it to operate stably for a long time in high-temperature environments above 1000℃.

1. High-temperature industrial equipment

Heat treatment furnaces - Furnace body structure, furnace door fixation, heating element support

Incinerators and boilers - High-temperature flue gas channels, burner components

Tempering furnaces and quenching furnaces - Internal workholding fixtures, conveyor belt connection

Ceramic and glass kilns - Kiln fixture fixation, observation window fastening

2. Petrochemical and chemical industry

Refining plants - High-temperature reactors, distillation towers, pipeline flange connections

Synthetic ammonia plants - Equipment fastening in high-temperature and high-pressure environments

Ethylene cracking furnaces - Tube hangers, radiation section connectors

Chemical reaction vessels - Sealing fastening of high-temperature corrosive media

3. Power and energy sector

Thermal power plants - Superheaters, reheaters, economizers - Tube row fixation

Gas turbines - High-temperature combustion chambers, turbine components connection

Nuclear power plants - Auxiliary equipment fastening in some high-temperature areas

Waste incineration power generation - Furnace grate, pusher device's high-temperature connection

4. Metallurgy and casting industry

Steel mills - Blast furnaces' hot air furnaces, coke ovens, continuous casting machines' high-temperature parts

Non-ferrous metal smelting - Aluminum electrolytic cells, copper smelting furnaces' high-temperature fastening

Casting equipment - Sand processing system, smelting furnace's structural connection

5. Automotive and aerospace

Automobile exhaust systems - Turbochargers, exhaust pipes, catalytic converters

Aircraft engines - Test fixtures for some high-temperature areas

Racing sports - High-performance exhaust systems and high-temperature components

6. Environmental protection and new energy equipment

Sulfur dioxide removal (FGD) systems - Absorption towers, flues' high-temperature and high-humidity areas

Biomass boilers - Fuel transportation system, furnace interior

Solar thermal power generation - Concentrating collectors' high-temperature connections

high-temperature resistance:It can be used for a long time at temperatures ranging from 1000 to 1150°C, and for a short period it can reach up to 1200°C.

inoxidizability:The high chromium and nickel content (Cr 24-26%, Ni 19-22%) forms a dense oxide film.

corrosion resistance:Has excellent resistance to sulfides, carbides and molten salts

creep strength:Maintain high mechanical strength and anti-deformation ability at high temperatures

Petrochemical industry

Equipment such as oil refining units, chemical reactors, transportation pipelines, and heat exchangers are tightly connected. 2205 and 2507 duplex steel perform exceptionally well in media containing hydrogen sulfide and chloride ions; 904L is suitable for non-oxidizing acid environments such as sulfuric acid and phosphoric acid.

Marine engineering

Offshore oil platforms, seawater desalination devices, ship equipment, etc. 2507 super duplex steel has excellent resistance to pitting and crevice corrosion in seawater and is the preferred material for marine engineering fasteners.

Nuclear energy

Nuclear island equipment, conventional island equipment, flue gas desulfurization devices, etc. 660 precipitation hardening steel is used for high-temperature and high-pressure components; 321 stainless steel is used for pipeline systems. rail traffic

High-speed rail, subway vehicle and track infrastructure construction. The products possess high strength, fatigue resistance, vibration resistance and other characteristics, ensuring operational safety.

Environmental protection equipment

Equipment for desulfurization and denitrification of flue gas, sewage treatment, and waste incineration. 317L and 904L have excellent corrosion resistance in environments with chlorine-containing exhaust gas and acidic wastewater.