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Stainless Steel 253MA Hex Bolts for High Temperature Applications Available 1/2''-20 and Satin Finish
Product Description:
Hex Bolts: Applications and Advantages
Hex bolts are widely used across various industries and products due to their simple design, high strength, and ease of installation. Below are some key applications and advantages of hex bolts:
Industries and Products That Use Hex Bolts
1. Construction Industry
- Hex bolts are commonly used in structural steel connections, such
as bridges, building frameworks, and scaffolding. Their ability to
handle heavy loads and external forces like wind ensures stability
and durability in construction projects.
2. Machinery Manufacturing
- In machinery and equipment assembly, hex bolts are essential for
fastening mechanical parts in machinery such as lathes, heavy-duty
equipment, and assembly lines. Their high strength and durability
make them suitable for machines operating under vibration and heavy
loads.
3. Automotive and Transportation
- Hex bolts are widely used in the automotive industry for securing
critical parts like chassis, engines, and transmission systems.
Their strength and reliability help maintain the vehicle's
integrity under high-speed and heavy-duty conditions.
4. Home Appliances and Electronics
- Hex bolts are used to assemble and secure parts in appliances
such as air conditioners, washing machines, and televisions. They
provide reliable connections and ensure the overall stability of
the products.
5. Energy and Petrochemical Industry
- Hex bolts are crucial in wind turbines, nuclear power plants, and
petrochemical plants, where they are used in securing large
equipment and pipeline systems. Their corrosion resistance and
strength allow them to perform in harsh environments.
6. Marine and Offshore Engineering
- In shipbuilding and offshore platforms, hex bolts are used to
secure deck fittings, hulls, and equipment. Stainless steel hex
bolts, in particular, resist corrosion from seawater, ensuring the
longevity of marine structures.
7. Furniture Manufacturing
-Hex bolts are frequently used in the assembly of furniture such as
beds, tables, chairs, and cabinets. Their easy installation and
firm fastening provide stability and long-term durability to
household and office furniture.
Applications
253MA is a heat resistant austenitic stainless steel designed for applications requiring high creep strength and good corrosion resistance.Its service temperature range is 850 to 1100 °C. The chemical composition of 253MA is balanced, so that the steel in the temperature range of 850 ℃ -1100 ℃ has the most suitable comprehensive performance, very high oxidation resistance, the skin temperature up to 1150 ℃; very high resistance to creep-type ability and creep fracture strength; in most gaseous media with good resistance to high-temperature corrosion and resistance to equilibrium brushes corrosion ability; high temperature with high yield strength and tensile strength; good formability and good corrosion resistance.high yield strength and tensile strength at high temperatures; good formability and weldability, as well as adequate machinability. In addition to the alloying elements chromium and nickel, 253MA stainless steel contains small amounts of rare earth metals, which significantly improves its oxidation resistance.Nitrogen is added to improve creep properties and to make this steel fully austenitic.Despite the relatively low chromium and nickel content, this stainless steel has in many cases the same high temperature properties as highly alloyed alloy steels and nickel-based alloys. 253MA is widely used in sintering equipment, blast furnace equipment, steel melting, furnaces and continuous casting equipment, rolling mills (heating furnaces), heat treatment furnaces and accessories, mineral equipment and cement production equipment. Chemical composition: C Mn P S Si Cr Ni Mo N Cerium Ce
The chemical composition of 253MA is balanced, making the steel in the temperature range of 850 ° C - 1100 ° C temperature range has the most suitable comprehensive performance, very high oxidation resistance, up to 1150 ° C temperature of the oxide skin; very high resistance to creep-type change ability and creep fracture strength; in most gaseous media has a very good resistance to high-temperature corrosion and resistance to balanced brush corrosion ability; high temperature with high yield strength andhigh yield strength and tensile strength at high temperatures; good formability and weldability, as well as adequate machinability.
In addition to the alloying elements chromium and nickel, 253MA stainless steel also contains a small amount of rare earth metals (Rare Earth Metals, REM), which significantly improves its oxidation resistance.Nitrogen is added to improve creep properties and to make this steel fully austenitic.Despite the relatively low chromium and nickel content, this stainless steel has in many cases the same high temperature properties as highly alloyed alloy steels and nickel-based alloys.
No. | C% | Cr% | Ni % | Mo % |
304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
301 | 0.15 | 16.0-18.1 | 6-8 | / |
310 | 0.08 | 24-26 | 19-22 | / |
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