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ASTM A312 TP304H Serrated Finned Tubes for Air Coolers

ASTM A312 TP304H Serrated Finned Tubes for Air Coolers

نام تجاری: YUHONG
شماره مدل: N/A
مقدار تولیدی: 500 کیلوگرم
قیمت: To be discussed
جزئیات بسته بندی: مورد تخته سه لا
شرایط پرداخت: L/C، T/T
اطلاعات دقیق
محل منبع:
چین
گواهی:
ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834
محصول:
لوله های باله دار دندانه دار
مواد:
ASTM A312 TP304H
برنامه:
کوره های پالایشگاهی، نیروگاه های حرارتی، ژنراتورهای بخار بازیابی حرارت (HRSG)، سیستم های خشک کن صنعت
بسته:
قاب آهنی قاب چوبی
قابلیت ارائه:
5000 متر در روز
توضیحات محصول
ASTM A312 TP304H Serrated Finned Tubes for Air Coolers
Product Overview

ASTM A312 TP304H Serrated Finned Tubes for Air Coolers are engineered for optimal thermal performance in industrial air-cooled heat exchangers. Designed with precision serrated fins on high-quality TP304H stainless steel tubes, these components maximize heat transfer efficiency while ensuring long-term corrosion and oxidation resistance under high-temperature and cyclic service conditions.

Ideal for petrochemical plants, refineries, power generation units, and chemical processing facilities, these tubes are widely used in air coolers, fin fan coolers, and process gas cooling systems. The serrated fin profile improves turbulence around the tube, increasing the overall heat transfer rate and minimizing fouling, which reduces maintenance requirements and operational costs.


Key Features
  • High-performance serrated fin design for superior heat transfer
  • Manufactured from ASTM A312 TP304H austenitic stainless steel tubes
  • Excellent corrosion and oxidation resistance at elevated temperatures
  • High creep strength suitable for continuous high-temperature operation
  • Customizable fin height, pitch, and density to meet thermal design needs
  • Available in high-frequency welded, resistance welded, or mechanically bonded options
  • Long service life with reduced fouling and maintenance

Typical Applications
  • Industrial Air Coolers
  • Fin Fan Heat Exchangers
  • Petrochemical Gas Cooling Systems
  • Power Plant Air-Cooled Condensers
  • Refineries and Process Cooling Units
  • Thermal Oxidizer Gas Coolers

Common Size Range

Base Tube Dimensions:

  • Outer Diameter: 19 mm – 63.5 mm (¾” – 2½”)
  • Wall Thickness: 1.65 mm – 6.35 mm
  • Tube Length: Up to 18 meters

Serrated Fin Dimensions:

  • Fin Height: 8 mm – 25 mm
  • Fin Thickness: 0.3 mm – 1.2 mm
  • Fin Pitch: 2 mm – 12 mm
  • Fin Density: 2 – 13 fins per inch (FPI)

Manufacturing Options:

  • High-Frequency Welded Serrated Finned Tubes
  • Resistance Welded Serrated Finned Tubes
  • Mechanically Bonded Serrated Finned Tubes

Custom sizes and fin geometries can be produced to meet specific air cooler design requirements.


Chemical Composition (ASTM A312 TP304H)
Element Composition (%)
Carbon (C) 0.04 – 0.10
Manganese (Mn) ≤ 2.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Chromium (Cr) 18.00 – 20.00
Nickel (Ni) 8.00 – 11.00
Nitrogen (N) ≤ 0.10

Mechanical Properties
Property Value
Tensile Strength ≥ 515 MPa
Yield Strength (0.2% offset) ≥ 205 MPa
Elongation ≥ 35%
Hardness ≤ 92 HRB
Density 7.93 g/cm³
امتیازها و بررسی‌ها

امتیاز کلی

4.0
بر اساس 50 بررسی برای این تامین کننده

عکس درجه بندی

در زیر توزیع تمام امتیازات است.
5 ستاره‌ها
0%
4 ستاره‌ها
100%
3 ستاره‌ها
0%
2 ستاره‌ها
0%
1 ستاره‌ها
0%

تمام بررسی ها

A
Ahmed Al-Rashid
Kuwait Mar 3.2026
Tube ends were clean, dimensions consistent. Our crew didn't run into fit-up issues.
P
P*l
India Sep 16.2025
No leaks, no fin damage, performance consistent. Heat transfer hasn't dropped, so fouling doesn't seem to be a problem yet.
G
Godfrey
Uganda Aug 20.2025
For power plant boilers, especially in industrial settings like ours, these tubes work. Good heat transfer, holding up well.