Seamless Tubes - Steamline Industries Ltd

Stainless Steel Seamless Tube

Cold-drawn seamless stainless steel tubes engineered for high-temperature, high-pressure, and critical process applications where dimensional accuracy and reliability are essential.

What Are Stainless Steel Seamless Tubes?

Stainless steel seamless tubes are manufactured without any weld seam and undergo hot extrusion followed by precision cold drawing to achieve exceptional dimensional accuracy and surface finish.

Their uniform wall thickness, superior pressure-bearing capability, and enhanced resistance to stress corrosion cracking make them the preferred choice for demanding applications including heat exchangers, boilers, condensers, and high-pressure process systems.

At Steamline Industries, our seamless tubes are produced to ASTM A213 / ASME SA213 standards and are trusted by customers across oil & gas, petrochemical, pharmaceutical, marine, and power generation industries.

Key Features & Advantages

Uniform Wall Thickness

Ensures consistent strength and dimensional accuracy for critical applications.

High Pressure & Temperature Resistance

Designed to perform reliably under demanding operating conditions.

Superior Stress Corrosion Resistance

Provides enhanced protection against stress corrosion cracking and harsh environments.

Excellent Dimensional Accuracy

Delivers precise tolerances and superior surface quality for demanding applications.

Extended Service Life

Reduces maintenance requirements and lowers overall lifecycle costs.

Reliable Industrial Performance

Engineered for dependable operation in high-pressure and high-temperature environments.

Specifications Table

Specification	Details
Standard	ASTM A213 / ASME SA213 / EN 10216-5
Grades	TP304, TP304L, TP316, TP316L, TP321, TP347
Manufacturing Process	Hot Extrusion + Cold Drawn
OD Range	6 mm – 101.6 mm
Wall Thickness	0.5 mm – 8 mm
Length	Single Random, Double Random, Fixed
Surface Finish	Bright Annealed, Pickled & Passivated
End Finish	Plain End, Bevelled, Cropped Square
Testing	Hydrostatic, Eddy Current, Ultrasonic, PMI, IGC, Tensile, Hardness

Why Choose Our Stainless Steel Seamless Tubes?

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Zero Weld Construction

Provides superior structural integrity under pressure and temperature cycling.

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Tight OD & ID Tolerances

Ensures accurate fit in tube sheets and process systems.

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Excellent Corrosion Resistance

Suitable for chloride, acidic, and high-temperature environments.

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Premium Surface Finishes

Bright annealed and pickled & passivated options available.

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100% Tested Quality

Hydrostatic, Eddy Current, Ultrasonic, PMI and IGC testing.

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Custom Sizes & End Preparations

Tailored solutions for project requirements.

Industry Applications

Heat Exchangers

Chemical & Petrochemical

Marine Equipment’s

Food Processing

Oil & Gas Extraction

Power Generation

OUR PRODUCTS

Explore Our Product Range

Designed for industrial performance with tight tolerances, premium stainless steel grades and global compliance standards.

Heat Exchanger

High Precision & High Pressure Heat Exchanger Tubing

Built for thermal performance and demanding pressure applications.

Hyadrulic & Instrumentation

Hydraulic & Instrumentation Tubing

Precision tubing designed for pressure control and fluid systems.

Seamless Pipes

Stainless Steel Seamless Pipes

High-strength seamless pipes engineered for performance.

Welded Pipes

Stainless Steel Welded Pipes

Consistent quality with dependable industrial durability.

Welded Tubes

Stainless Steel Welded Tubes

Precision welded tubing with smooth finish and reliable performance.

Seamless U-Tubes

Stainless Steel Seamless U-Tubes

Precision-Bent Seamless U-Tubes Engineered for Superior Heat Transfer Performance.

Duplex Pipes

Stainless Steel Duplex Pipes

Duplex Pipes Engineered for Superior Strength and Corrosion Resistance.

Welded U-tubes

Stainless Steel Welded U-Tubes

Precision Welded U-Tubes Engineered for Reliable Heat Transfer Performance.

Super Duplex Pipes

Stainless Steel Super Duplex Pipes

Super Duplex Pipes Engineered for Maximum Strength and Superior Corrosion Resistance.

Need Stainless Steel Seamless Tubes for Your Project?

Our engineers can help you select the right grade, dimensions, and specifications for your application.

CERTIFICATES

Quality You Can Trust

Our certifications and inspection standards reflect our commitment to global manufacturing excellence.

Quality Management System

ISO 9001:2015

Quality Management System — governing our entire production, testing, and delivery process

Environmental Management System

ISO 14001:2015

Environmental Management System — ensuring sustainable and eco-responsible operations

Occupational Health And Safety Management System

ISO 45001 2018

Occupational Health & Safety Management System — protecting our workforce and communities

RESOURCES

Technical Resources & Downloads

Everything your procurement and engineering teams need in one place.

SIL Catalog

Explore the complete range of stainless steel pipes and tubes manufactured by Steamline Industries. The catalog covers seamless pipes, welded pipes, tubes, heat exchanger tubing, hydraulic and instrumentation tubing, U-tubes, duplex, and super duplex products.

Designed for engineers, procurement teams, and industrial buyers, it provides key technical specifications, available grades, dimensions, standards, and application insights across industries including oil & gas, petrochemicals, power generation, pharmaceuticals, and process engineering.

Submit your details to access the latest edition and find the right solutions for your project requirements.

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