SS-321 Seamless Tube

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SS-321 Seamless Tube Specification

Product Type
Seamless Tube

Material
Stainless Steel

Type
SS-321

Shape
Round

Technique
Cold Drawn/Hot Rolled

Surface Treatment
Polished

Standard
ASTM A213/A312

Outer Diameter
Ranging from 6mm to 114mm

Length
Single random, double random, or cut length

Inside Diameter
Customizable as per requirement

Wall Thickness
0.5mm to 12mm

Tensile Strength
515 MPa (minimum)

Grade
321

Size
Custom sizes available

Color
Silver/Grey (Natural SS Finish)

Delivery Condition
Annealed/Pickled/Polished

Packing
Standard sea-worthy packing

Density
7.9 g/cm3

Hardness
187 HB max

Corrosion Resistance
Excellent against acids and chlorides

End Finish
Plain end / Beveled end / Threaded

Application
Used in heat exchanger, chemical, petrochemical, and power plant industries

Elongation
35% min

About SS-321 Seamless Tube

Introducing the new SS-321 Seamless Tube-this in-demand product is shaping standards in the heat exchanger, chemical, petrochemical, and power plant sectors. Crafted from noble stainless steel and meeting ASTM A213/A312, these blue-ribbon tubes offer masterful corrosion resistance, particularly against acids and chlorides. Competitive pricing and customizable dimensions lend unmatched versatility. Available in polished finishes with annealed or pickled delivery, each tube is engineered with a hardness of up to 187 HB, a tensile strength minimum of 515 MPa, and elongation of at least 35%. Standard sea-worthy packing ensures secure worldwide transit.

Unrivaled Advantages & Application Scope

SS-321 Seamless Tubes are celebrated for their blue-ribbon corrosion resistance, high elongation, and masterful tensile strength. With competitive pricing, customized sizes, and multiple end finishes, these tubes assure a substantial edge for your operations. Frequently chosen for demanding applications, they excel in heat exchangers, chemical and petrochemical industries, power plants, and aggressive environments involving acids and chlorides, thanks to their surface polish and robust construction.

Export Market Reach & Secure Packing

Our SS-321 Seamless Tubes have penetrated key export markets worldwide, including Asia, Europe, and the Middle East. Clients benefit from expedient charge and efficient transportation options. We ensure each shipment is delivered in standard sea-worthy packaging to maintain tube integrity during transit. Every batch comes with recognized certifications, reaffirming our commitment to quality and compliance for global customers.

FAQ's of SS-321 Seamless Tube:

Q: How is the SS-321 Seamless Tube customized for specific industrial requirements?

A: The SS-321 Seamless Tube can be produced in various wall thicknesses, diameters, and lengths according to your project's specifications, with end finishes such as plain, beveled, or threaded as required.

Q: What industries commonly use SS-321 Seamless Tubes?

A: These tubes are primarily used in heat exchangers, chemical processing, petrochemical plants, and power generation facilities due to their exceptional corrosion resistance and durability.

Q: When is SS-321 preferred over other stainless steel grades?

A: SS-321 is favored when enhanced resistance to acids, chlorides, and high temperatures is needed, ensuring reliable service life in demanding applications.

Q: Where are the tubes manufactured and what standards do they meet?

A: Our SS-321 Seamless Tubes are manufactured in India under the stringent quality guidelines of ASTM A213 and A312 international standards.

Q: What surface treatments are provided to enhance tube performance?

A: Tubes undergo process treatments such as polishing, annealing, or pickling, resulting in superior finish, reduced surface oxides, and improved corrosion resistance.

Q: How does SS-321 Seamless Tube benefit end-users?

A: With high tensile strength, a minimum elongation of 35%, and blue-ribbon corrosion resistance, these tubes ensure long-term reliability, reduced maintenance, and operational safety in harsh environments.

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