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Introduction to AISI 304

AISI 304 is a versatile, commonly used stainless steel. It exhibits excellent corrosion resistance and is known for its aesthetic appeal and durability.

by Shrenik Jain

Chemical composition of AISI 304

Main Components

AISI 304 consists of chromium, nickel, and small amounts of other elements, contributing to its anti-corrosive properties.

Composition Percentage

About 18% chromium and 8% nickel, with smaller amounts of carbon, manganese, and silicon.

Properties of AISI 304

1 Malleability

AISI 304 is highly malleable, allowing it to be molded into various shapes and forms.

3 Density

2 Thermal Conductivity

It has low thermal conductivity, making it suitable for both high and low-temperature applications.

AISI 304 has a density of 8 g/cm³, providing a good combination of strength and formability.

Mechanical properties of AISI 304

Tensile Strength515 MPa

Yield Strength205 MPa

Hardness201 HBW

Modulus of Elasticity193 GPa

Applications of AISI 304

Food Industry

AISI 304 is commonly used in food processing equipment and storage containers due to its hygienic properties.

Architecture & Construction

It is widely utilized in architectural structures, such as facades and roofing, for its aesthetic appeal and corrosion resistance.

Medical Devices

Used in medical instruments, implants, and equipment due to its biocompatibility and resistance to corrosion in bodily fluids.

Advantages of using AISI 304

1 Corrosion Resistance

AISI 304 offers excellent resistance to corrosion in various environments, including acidic and alkaline solutions.

2 Ease of Fabrication

It can be easily fabricated, welded, and formed, making it ideal for a wide range of applications.

3 Longevity Shows exceptional durability, maintaining its integrity and appearance over extended periods of use.

Limitations of AISI 304

1

Sensitivity to Chlorides

2 Limited Heat Resistance

Conclusion

AISI 304, with its remarkable combination of properties, is a widely used stainless steel alloy that finds diverse applications due to its versatility, formability, and durability.