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Stainless Steel 321 Coil

Price 340 INR/ Number

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MOQ : 5 Kilograms

Stainless Steel 321 Coil Specification

Tensile Strength
515 MPa min

Material Composition %
Cr 17-19%, Ni 9-12%, Ti 5xC min to 0.7%

Heat Resistance
Yes

Size
Width: 10 mm to 1500 mm, Length: As required

Corrosion Resistant
Excellent, especially against intergranular corrosion

Hardness
Hard, Soft, Semi-hard, Annealed

Product Form
Coil

Coating Type
Uncoated / available with PVC film

Diameter
As per coil dimensions

Recyclable
Yes

Product Name
Stainless Steel 321 Coil

Steel Type
Austenitic Stainless Steel

Steel Product Type
Coil

Grade
321

Thickness
0.3 mm to 6 mm (customizable)

Shape
Coil

Steel Standard
ASTM A240 / AISI 321

Surface
2B, BA, No.1, No.4, Mirror, or as specified

Composition
Chromium-Nickel-Titanium stainless steel

Application
Automotive, Chemical processing, Aerospace, Heat exchangers, Furnace parts, Expansion joints

Dimension (L*W*H)
Custom or as per order

Weight
Varies based on dimensions and thickness

Color
Silver, Metallic

Material Grade
321

Finish Type
Matte, Glossy, Mirror

Usage
Industrial, Decorative, Mechanical Applications

Formability
Good

Packaging
Standard export sea-worthy packing

Weldability
Excellent, suitable for most welding techniques

Edge Type
Mill, Slit, or as specified

Melting Point
1400-1425°C

Density
7.9 g/cm³

Elongation at Break
40% min

Modulus of Elasticity
200 GPa

About Stainless Steel 321 Coil

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321 stainless steel coil and sheet is part of the austenitic family of stainless steel. 321 is basically a 321 grade containing a stabilizer of titanium. Type 321 is a good choice for applications where heat is an issue. 321 can be used in applications up to 900 degrees Celsius where 321 is normally used up to 500 degrees Celsius. Grade 321 has excellent forming and welding characteristics. It does not polish well so would not be used for decorative applications. We are Leading Supplier of all types of Stainless Steel 321 Coils.321 Stainless Steel Coil, UNS S32100 Stainless Steel Coils, ASTM A240 321 Stainless Steel Coils, stainless steel 321 Coil to countries like Saudi Arabia, Bangladesh, United Arab Emirates , Brazil, Russia , Indonesia , Egypt , Iran , Kuwait , Taiwan, Oman, Qatar , South Africa, Australia , Pakistan, Malaysia.
Stainless Steel 321 coil Specification

Exceptional Corrosion and Heat Resistance

Stainless Steel 321 Coil is engineered for environments demanding high corrosion and oxidation resistance. Its balanced chromium-nickel with titanium composition ensures superior performance, particularly in intergranular corrosion scenarios and at elevated temperatures up to 900C. This makes it a preferred choice for furnace parts, chemical processing equipment, and exhaust systems.

Versatile Applications and Customization

Available in widths from 10 mm to 1500 mm and customizable lengths and thicknesses (0.3 mm to 6 mm), Stainless Steel 321 Coil suits many industrial sectors. Whether used in automotive, aerospace, expansion joints, or heat exchangers, its adaptability and formability, combined with multiple surface finishes, guarantee the right solution for every requirement.

Reliable Quality and Packaging

Complying with ASTM A240 / AISI 321 standards, each coil undergoes rigorous manufacturing to ensure consistent performance. Products are packed in standard export sea-worthy packaging for safe delivery, making them suitable for international export, distribution, and trade.

FAQ's of Stainless Steel 321 Coil:

Q: How does Stainless Steel 321 Coil benefit applications requiring heat resistance?

A: Stainless Steel 321 Coil offers excellent heat resistance up to 900C due to its titanium-stabilized austenitic structure. This makes it ideal for applications like heat exchangers, furnace parts, and expansion joints, as it maintains strength and corrosion resistance in high-temperature environments.

Q: What is the process for ordering custom dimensions or finishes for 321 stainless steel coils?

A: Customers can specify their required coil width (10 mm to 1500 mm), thickness (0.3 mm to 6 mm), length, and preferred finish (matte, glossy, mirror, etc.). Upon receiving the specifications, the manufacturer or supplier produces and packages the coils accordingly, ensuring they meet both domestic and international standards.

Q: When should Stainless Steel 321 Coil be chosen over other grades?

A: Choose Stainless Steel 321 Coil when working in environments requiring superior intergranular corrosion resistance and heat resistance, especially in the automotive, chemical, and aerospace fields. Its titanium content makes it preferable for applications involving repeated thermal cycling, which can cause sensitization in unstabilized grades.

Q: Where is Stainless Steel 321 Coil commonly used?

A: This coil is frequently used in the automotive, aerospace, and chemical processing industries. Its robustness is especially utilized in heat exchangers, furnace components, expansion joints, and mechanical equipment exposed to high temperatures or corrosive elements.

Q: What are the key characteristics of Stainless Steel 321 Coil with regards to welding and formability?

A: Stainless Steel 321 Coil features excellent weldability, making it suitable for most welding techniques without risk of carbide precipitation or intergranular corrosion. It also possesses good formability, allowing easy fabrication into complex shapes while maintaining its strength and mechanical integrity.

Q: Is Stainless Steel 321 Coil suitable for decorative and mechanical applications, and how?

A: Yes, with customizable finishes (2B, BA, No.1, No.4, Mirror) and a bright metallic color, Stainless Steel 321 Coil is used in both decorative and mechanical settings. Its high aesthetic appeal and durability make it suitable for architectural components, trim, and facades, as well as industrial machinery.

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