What are the key properties of stainless steel 304H heat exchanger tubes that make them suitable for high-temperature applications?

stainless steel 304H heat exchanger tubes possess several key properties that make them highly suitable for high-temperature applications. First and foremost, stainless steel 304H exhibits excellent high-temperature strength, which allows it to withstand elevated temperatures without significant deformation or loss of structural integrity. That is particularly crucial in heat exchanger applications where the tubes undergo extreme heat and thermal cycling.

Furthermore, stainless steel 304H offers exceptional resistance to oxidation and scaling at high temperatures. High chromium content (18-20%) in its composition forms a protective oxide layer on the surface, preventing the material from reacting with oxygen and other corrosive elements in the environment. This inherent corrosion resistance helps maintain the longevity and efficiency of the heat exchanger tubes, even in demanding operating conditions.

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Stainless Steel 304H Heat Exchanger Tubes, SS 304H Heat Exchanger Tube, 304H Stainless Steel Heat Exchanger Tube, 304H Stainless Steel Finned Heat Exchanger Tubes, SS TP304H Heat Exchanger Tubing Supplier In Mumbai, India.

How does stainless steel 304H differ from other steel grades commonly used in heat exchanger tubes?

Stainless steel 304H exhibits several notable differences from other stainless steel grades commonly used in heat exchanger tubes. One key distinction is its higher carbon content. Stainless steel 304H is a high-carbon variant of stainless steel 304, containing a carbon content of 0.04-0.10%. This increased carbon content improves high-temperature strength and creep resistance, making it suitable for high-temperature applications. In contrast, standard stainless steel 304 has a lower carbon content, typically around 0.08%.

Another difference lies in the high-temperature service capability. Stainless steel 304H is designed to operate in high-temperature environments, typically up to 900-1150°C (1652-2102°F). This extended temperature range surpasses the upper limit of regular stainless steel 304, typically recommended for use up to 550-600°C (1022-1112°F). Therefore, stainless steel 304H is more suitable for heat exchanger applications with higher temperatures.

The higher carbon content in stainless steel 304H can influence its welding characteristics. While stainless steel 304 is readily weldable using common methods, the increased carbon content of 304H can result in more pronounced sensitization to corrosion during welding.

Specification Of 304H Stainless Steel Heat Exchanger Tube

Standard ASTM A213, A249 / SA213, SA249
Delivery Condition Bright Annealed, Annealed and Pickled, Cold Drawn, Polished, MF
Size Range 6.53 to 127 mm
Length up to 20 Meter
Heat Exchanger Tubes Bending Radius 1.25 x Outer Diameter up to 1700mm
Wall Thickness Range 0.5 To 5 mm
Tolerance +/-0.05 Mm
END Beveled End, Plain End, Treaded
Processing Service Cutting, Bending, Decoiling, Welding, Punching, Moulding
Technique Hot rolled, Cold drawn, Cold rolled, Extrusion Tube

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Types Of Stainless Steel 304H Heat Exchanger Tubes

Stainless Steel 304H Round Heat Exchanger Tube

304H Stainless Steel Round Heat Exchanger Tube

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Stainless Steel 304H Straight Heat Exchanger Tube

304H Stainless Steel Straight Heat Exchanger Tube

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Stainless Steel 304H Heat Exchanger U Tube

304H Stainless Steel Heat Exchanger U Tube

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Stainless Steel 304H Seamless Heat Exchanger Tube

304H Stainless Steel Seamless Heat Exchanger Tube

Stainless Steel 304H Seamless Heat Exchanger Tube Supplier, Stainless Steel 304H Heat Exchanger Seamless Tube Stockist, SS 304H Seamless Heat Exchanger Tube.

Widest Range of 304H Stainless Steel Heat Exchanger Tubes in Mumbai, India.

  • Widest RangeStainless Steel 304H Recuperative Heat Exchanger Tube
  • Widest Range304H Stainless Steel Heat Exchanger Tubing
  • Widest RangeStainless Steel 304H Hybrid Flow Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Welded Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Capacitive Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Counter Flow Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Cross Flow Heat Exchanger Tube
  • Widest Range304H Stainless Steel Heat Exchanger Welded Tubing
  • Widest Range304H SS Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Electropolish Heat Exchanger Tube
  • Widest RangeStainless Steel 304H Parallel Flow Heat Exchanger Tube
  • Widest RangeASTM A213 SS 304H Seamless Heat Exchanger Tube
  • Widest RangePolished 304H Stainless Steel Heat Exchanger Tubing
  • Widest RangeASME SA249 304H Welded Heat Exchanger Tube
  • Widest Range304H Stainless Steel Heat Exchanger Tube HS Code
  • Widest RangeStainless Steel 304H Heat Exchanger Round Tube

Check Stainless Steel 304H Tubes Types In Detail

304H Stainless Steel Heat Exchanger Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS
SS 304H 1.4948 S30409 SUS 304H

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304H Stainless Steel Heat Exchanger Tubes Price

Product Price
38.10mm SS 304H Heat Exchanger Tube Price Per Kg $4 - 23 / Kg
304H Stainless Steel Welded Heat Exchanger Tube Price US $ 1400 - 12000 / Ton
SS 1.4948 Heat Exchanger Tube Price List US $ 12 - 45 / Pound
304H Stainless Steel Heat Exchanger Tube Price In India $698.00 - $1,480.00/ Ton
S30409 Stainless Steel Heat Exchanger Tube Price US $ 1000 - 3000 / Ton
304H Stainless Steel Seamless Heat Exchanger Tube Price $1,082.00 - $3,489.00/ Ton
Austenitic Stainless Steel 304H Heat Exchanger Tube Price Per Piece $4.00 - $100.00/ Piece
12.70 mm Stainless Steel S30409 Heat Exchanger Tube Price US $ 1100 - 2000 / Ton
ASTM A213 Stainless Steel 304H Heat Exchanger Tube Price List $700.00 - $1,900.00/ Ton

For Quatation & Questions Related To Stainless Steel 304H Heat Exchanger Tubes

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Stainless Steel 304H Heat Exchanger Tube Manufacturing Process

Drawing/ Floating Process

Pulling a metal bar, rod, or wire through the entirety of a die to change its finish, shape, size, and/or mechanical qualities is known as floating or drawing. The tube's outer, inner, and wall thicknesses are all reduced via the tube drawing procedure. Stainless steel tubes benefit from maintaining the integrity of their surface.

Continuous Heat Exchanger Tube Mills

The production of Heat Exchanger tubes has been transformed by continuous tube mills. These mills do away with the necessity for forging welding or filler metal, in contrast to conventional procedures. With the use of this technology, Heat Exchanger pipes and tubes may be produced continuously, increasing productivity while lowering costs and improving efficiency.

Continuous Casting

A notable advancement in the production of Heat Exchanger tubes is continuous casting. The metal is solidified into a continuous billet through the continuous pouring of molten metal into a water-cooled mould. Better uniformity and enhanced mechanical qualities are guaranteed by this continuous casting technique for the tubes.

Annealing

Metal is heated above the point of re-crystallization and cooled to room temperature during the annealing process. The molecular bonds in metal tighten when it is shaped, making it rigid. The metal is put through an annealing process to regain its ductility.

Sinking Process

Tube sinking is a drawing technique that reduces the diameter of tubes. In this drawing technique, a tube is run through a die without the need of a mandrel. Good inner surface quality is not ensured when using a mandrel. The die angel determines the integrity of the outer surface. The die being used produces a uniform surface. A tube can be significantly smaller than it was originally. When cost is a factor, tube sinking is ideal.

Inspection and Testing

Before sending our items to our consumers, we conduct inspection procedures to verify their integrity.


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Chemical Composition Of Stainless Steel 304H Heat Exchanger Tube

Grade C Mn Si P S Cr Ni
SS 304H 0.10 max 2 max 0.75 max 0.045 max 0.03 max 18 – 20 8 – 10.5

Mechanical Properties Of 304H Stainless Steel Heat Exchanger Tubing

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 304H 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Testing & Inspection of 304H Stainless Steel Heat Exchanger Tubes

Testing (Destructive, Non Destructive)

Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
Micro Test Radiography Test
Intergranular Corrosion (IGC) Test Impact Test
Macro Test Dye Penetrant Test (DP Test)
Positive Material Identification – PMI Testing Hydrostatic Test
Chemical Analysis – Spectro Analysis Hydrogen-Induced Cracking (HIC) Test
Hardness Test Ultra Sonic Test (UT)
Pitting Resistance Test Eddy Current Testing
Flaring Test Bend Test
Flattening Test

Stainless Steel 304H Heat Exchanger Tube Sizes & Thickness

Tube Outside diameter      Wall thickness
Size inch mm BWG inch mm
1/4 "          0.250        6.350        22        0.028        0.711
  24 0.022 0.559
3/8 " 0.375 9.525 18 0.049 1.245
  20 0.035 0.889
  22 0.028 0.711
1/2 " 0.500 12.700 18 0.049 1.245
  20 0.035 0.889
5/8 " 0.625 15.875 16 0.065 1.651
  18 0.049 1.245
  20 0.035 0.889
3/4 " 0.750 19.050 12 0.109 2.769
  14 0.083 2.108
  16 0.065 1.651
  18 0.049 1.245
  20 0.035 0.889
7/8 " 0.875 22.225 14 0.083 2.108
  16 0.065 1.651
  18 0.049 1.245
  20 0.035 0.889
1 " 1 25.400 12 0.109 2.769
  14 0.083 2.108
  16 0.065 1.651
  18 0.049 1.245
1 1/4 " 1.250 31.75 10 0.134 3.404
  12 0.109 2.769
  14 0.083 2.108
  16 0.065 1.651
2 " 2.000 50.800 12 0.109 2.769
  14 0.083 2.108

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Supply Cities Of Stainless Steel 304H Heat Exchanger Tubes

The cities listed here are where we have supplied our grade 304H stainless steel Heat Exchanger Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 304H Heat Exchanger Tubes to satisfy the needs of our clients.

Vadodara, Pune, Gimhae-si, Mumbai, Courbevoie, Dubai, Chandigarh, Chennai, Kolkata, Bangkok, Melbourne, Baroda, Visakhapatnam, Thiruvananthapuram, Secunderabad, Brisbane, Atyrau, Rajkot, Algiers, Geoje-si, Pimpri-Chinchwad, Singapore, Vung Tau, Ho Chi Minh City, Santiago, Petaling Jaya, Al Khobar, London, Dammam, Karachi, Toronto, Faridabad, Kuwait City, Dallas, Sharjah, Kanpur, Mexico City, Jamshedpur, Manama, Haryana, Ludhiana, Ernakulam, Indore, New Delhi, Abu Dhabi, Nagpur, Thane, Gurgaon, Howrah, Jaipur, Caracas, Jeddah, Cairo, Ulsan, Jakarta, Los Angeles, Chiyoda, Perth, Edmonton, La Victoria, Coimbatore, Doha, Bogota, Montreal, Lahore, Aberdeen, Seoul, Hanoi, Navi Mumbai, Istanbul, Kuala Lumpur, Tehran, Busan, Ahvaz, Hyderabad, Milan, Bengaluru, New York, Houston, Ahmedabad, Riyadh, Ankara, Muscat, Granada, Rio de Janeiro, Nashik, Sydney, Lagos, Noida, Hong Kong, Mumbai, Calgary, Surat, Madrid, Ranchi, Port-of-Spain, Moscow, Colombo, Bhopal, Al Jubail.

Documents Provided at the time of Domestic Sales or Export of 304H Stainless Steel Heat Exchanger Tubes

Commercial Invoice Heat Treatment Charts
ROHS Certificate Certificate of Compliance/Conformity
Packing List Quality Assurance Plan (QAP)
Fumigation Certificates NABL approved Laboratory Test Reports
Certificate of Origin Raw Material Test Reports
Letter of Guarantee Material Test Certificates

Application Industries We Supply Stainless Steel 304H Heat Exchanger Tubes

304H Stainless Steel Heat Exchanger Tubes For Tertiary Sector, Stainless Steel 1.4301 Heat Exchanger Tubes For Construction, 304H Stainless Steel Heat Exchanger Tubes For Electronics, Stainless Steel 304H Heat Exchanger Tubes For Technology, Stainless Steel 1.4948 Heat Exchanger Tubes For Waste, UNS S30409 Heat Exchanger Tubes For Mining, 304H Stainless Steel Heat Exchanger Tubes For Food Industry, 304H SS Heat Exchanger Tubes For Health care, 304H Stainless Steel Heat Exchanger Tubes For Pulp and Paper Industry, 304H Stainless Steel Heat Exchanger Tubes For Rail Transport, 304H Stainless Steel Heat Exchanger Tubes For Pharmaceutical Industry, 304H Stainless Steel Heat Exchanger Tubes For Transport, Stainless Steel 304H Heat Exchanger Tubes For Real Estate, 304H Stainless Steel Heat Exchanger Tubes For Agriculture, 304H Stainless Steel Heat Exchanger Tubes For Factory, 304H Stainless Steel Heat Exchanger Tubes For Energy, Stainless Steel 1.4948 Heat Exchanger Tubes For Textile Industry, SS S30409 Heat Exchanger Tubes For Engineering, 304H Stainless Steel Heat Exchanger Tubes For Production, 304H Stainless Steel Heat Exchanger Tubes For Manufacturing, 304H Stainless Steel Heat Exchanger Tubes For Chemical Industry.

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