TP304L Tubes/Tubings (AISI 304L, UNS S30403, 1.4307, SUS 304L)

TP304L Tubes/Tubings (AISI 304L, UNS S30403, 1.4307, SUS 304L)

Finned Stainless Steel Tubing Stainless steel finned tube is an efficient heat transfer element. The heat transfer area of stainless steel finned tubing is several times to dozens of times that of smooth tube. Stainless tubing can strengthen heat transfer, reduce flow resistance, reduce metal...

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Finned Stainless Steel Tubing: A Comprehensive Guide

Introduction

Finned stainless steel tubing is a specialized type of tubing widely used in various industrial applications. This article provides an in-depth analysis of finned stainless steel tubing, including its material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades.

 

Material and Specification

Finned stainless steel tubing is typically manufactured using high-quality stainless steel alloys, which offer exceptional corrosion resistance, durability, and heat transfer properties. The most commonly used stainless steel grades for finned tubing include 304, 316, 321, and 409.

The specification of finned stainless steel tubing varies depending on the application requirements. It includes details such as the outer diameter, wall thickness, fin height, fin density, fin thickness, fin pitch, and overall tubing length. These specifications need to be carefully considered to ensure optimal performance in specific operating conditions.

 

Key Features

Finned stainless steel tubing comes with several key features that make it a preferred choice in many industries:

Enhanced Heat Transfer: The fins attached to the tubing increase the surface area, which enables efficient heat transfer between the fluid passing through the tubing and the surrounding environment.

Corrosion Resistance: Stainless steel alloys are highly resistant to corrosion, making finned stainless steel tubing suitable for applications in harsh environments or involving corrosive fluids.

Strength and Durability: Stainless steel tubing exhibits excellent mechanical properties, providing strength and durability even under high-pressure and high-temperature operating conditions.

Versatility: Finned stainless steel tubing can be customized to fit various shapes, sizes, and configurations, allowing for versatile use in diverse applications.

 

Chemical Composition

The chemical composition of finned stainless steel tubing varies depending on the specific steel grade. The following table provides an overview of the typical chemical composition for the commonly used grades:

Steel Grade Carbon (C) Chromium (Cr) Nickel (Ni) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si)
304 0.08% 18 - 20% 8 - 10.5% 2% 0.045% 0.03% 0.75%
316 0.08% 16 - 18% 10 - 14% 2% 0.045% 0.03% 0.75%
321 0.08% 17 - 19% 9 - 12% 2% 0.045% 0.03% 0.75%
409 0.08% 10.5 - 12.5% - 1% 0.045% 0.03% 0.75%

 

Mechanical Properties

The mechanical properties of finned stainless steel tubing are crucial to ensure reliable performance in various applications. The following table provides an overview of the typical mechanical properties for the commonly used grades:

Steel Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HV)
304 515 - 620 205 - 310 45 150 - 180
316 515 - 620 205 - 310 45 150 - 180
321 515 - 620 205 - 310 45 150 - 180
409 380 - 550 200 - 310 25 150 - 180

 

Steel Grade and Application

Finned stainless steel tubing finds applications in various industries, including:

HVAC (Heating, Ventilation, and Air Conditioning) Systems

Heat Exchangers

Power Generation

Petrochemicals

Chemical Processing

Food and Beverage

Automotive

The specific steel grade chosen depends on the application requirements, considering factors such as temperature, pressure, corrosive environment, and overall performance demands.

 

Possible Alternative Grades

While 304, 316, 321, and 409 are commonly used stainless steel grades for finned tubing, there are alternative grades available depending on the application needs. Some alternative grades include 310, 317L, and 904L. The selection of alternative grades should consider factors such as the specific environment, temperature range, and desired properties.

 

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The corporate brand of cultural level permeates our TP304L Tubes/Tubings (AISI 304L, UNS S30403, 1.4307, SUS 304L), which has higher connotation than the product level. We insist on high quality and reasonable price. We are willing to grow together with you, to be your loyal partner, providing you with the most professional and considerate service.

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