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YUHONG HOLDING GROUP CO., LTD

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China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1
China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1

  1. China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1
  2. China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1
  3. China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1
  4. China Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1

Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1

  1. MOQ: 500kgs
  2. Price: To be discussed
  3. Get Latest Price
Delivery Time 50-120 days
Supply Ability 5000 meters/day
Product low Fin Tube
Payment Terms T/T,L/C
Material ASTM A333 GR.1
Application LNG process heat exchangers, Natural gas cooling systems, Gas separation units, Cryogenic processing equipment
Packaging Details Plywood case
Package Plywood case
Model Number N/A
Brand Name YUHONG
Certification ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Delivery Time 50-120 days Supply Ability 5000 meters/day
Product low Fin Tube Payment Terms T/T,L/C
Material ASTM A333 GR.1 Application LNG process heat exchangers, Natural gas cooling systems, Gas separation units, Cryogenic processing equipment
Packaging Details Plywood case Package Plywood case
Model Number N/A Brand Name YUHONG
Certification ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 Place of Origin China
Low-Finned Tube for Heat Exchangers – ASTM A333 Gr.1
Product Overview

ASTM A333 Gr.1 Low-Finned Tubes are specially designed heat transfer tubes manufactured with a low-profile fin structure on the outer surface of the base tube. The base tube material complies with ASTM A333 Grade 1 low-temperature carbon steel requirements, offering reliable mechanical performance and impact toughness for low-temperature service environments.

Compared with conventional smooth tubes, low-finned tubes increase the external heat transfer area while maintaining a compact tube arrangement. This design improves thermal efficiency, reduces equipment size, and helps optimize heat exchanger performance in applications involving cooling, condensation, evaporation, and cryogenic-related processes.

The ASTM A333 Gr.1 base material is commonly selected for applications where resistance to low-temperature brittleness is required, making these tubes suitable for energy, petrochemical, refrigeration, and natural gas processing industries.


Key Features
  • ASTM A333 Gr.1 low-temperature carbon steel base tube
  • Increased heat transfer surface area through integral low fins
  • Suitable for shell and tube heat exchangers
  • Improved heat transfer efficiency compared with plain tubes
  • Good low-temperature impact toughness
  • Compatible with customized tube lengths, fin dimensions, and manufacturing requirements
  • Suitable for liquid, gas, and phase-change heat transfer applications

Typical Applications
LNG and Natural Gas Processing Equipment

ASTM A333 Gr.1 low-finned tubes are widely used in low-temperature heat exchange systems where thermal efficiency and material toughness are important.

Typical equipment includes:

  • LNG process heat exchangers
  • Natural gas cooling systems
  • Gas separation units
  • Cryogenic processing equipment
  • Condensers and evaporators

The low-temperature characteristics of ASTM A333 Gr.1 make it suitable for applications involving chilled hydrocarbons and low-temperature fluids.


Petrochemical Heat Exchangers

In petrochemical plants, low-finned tubes are used to improve heat transfer performance in compact exchanger designs.

Common equipment:

  • Shell and tube heat exchangers
  • Process coolers
  • Hydrocarbon condensers
  • Reboilers
  • Oil and gas cooling systems

The increased surface area helps improve thermal exchange efficiency while maintaining a practical equipment footprint.


Industrial Refrigeration Systems

Low-finned tubes are also applied in refrigeration and cooling systems, especially where carbon steel construction and enhanced heat transfer surfaces are required.

Applications include:

  • Industrial chillers
  • Refrigeration condensers
  • Evaporators
  • Cooling circuits

Typical Size Range
Item Typical Range
Base Tube Material ASTM A333 Gr.1
Tube Type Low-Finned Tube / Integral Low Fin Tube
Outside Diameter of Base Tube 12.7 mm – 50.8 mm
Common Tube OD 19.05 mm, 25.4 mm, 31.75 mm, 38.1 mm
Wall Thickness 1.5 mm – 4.5 mm
Tube Length Up to 18 m (customized according to equipment design)
Fin Height Approx. 0.5 mm – 1.5 mm
Fin Pitch Approx. 0.8 mm – 3 mm
Fin Type Integral Low Fin
Manufacturing Standard ASTM A333 / Customer Specification

Dimensions can be customized according to heat exchanger design requirements.


Chemical Composition (ASTM A333 Gr.1)
Element Chemical Requirement (%)
Carbon (C) ≤ 0.30
Manganese (Mn) ≤ 0.40–1.06
Phosphorus (P) ≤ 0.025
Sulfur (S) ≤ 0.025
Silicon (Si) ≥ 0.40
Iron (Fe) Balance

Company Details

Bronze Gleitlager

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 from Quality China Factory
  • Business Type:

    Manufacturer,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    1990

  • Total Annual:

    50M-70M

  • Employee Number:

    50~800

  • Ecer Certification:

    Verified Supplier

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...

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  • YUHONG HOLDING GROUP CO., LTD
  • 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
  • https://www.steelfintube.com/

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