What are the main properties and characteristics of stainless steel 321 / 321H heat exchanger tubes?
Stainless steel 321 / 321H heat exchanger tubes possess various properties and characteristics that make them highly suitable for heat transfer applications. These tubes are primarily composed of iron, with significant additions of chromium, nickel, and titanium. Including titanium provides enhanced resistance to intergranular corrosion, making them highly resistant to sensitization during welding or high-temperature exposure.

One of the key features of stainless steel 321 / 321H heat exchanger tubes is their exceptional high-temperature strength. They exhibit excellent creep and stress rupture properties, enabling them to withstand prolonged exposure to elevated temperatures without compromising structural integrity. This characteristic makes them well-suited for applications involving high-temperature environments, such as power generation, petrochemical, and refinery industries.

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321 Stainless Steel Finned Heat Exchanger Tubes, SS 321 Heat Exchanger Tube, Stainless Steel 321 Heat Exchanger Tube, 321H Stainless Steel Heat Exchanger Tube, SS 321H Heat Exchanger Tube, 321 Stainless Steel Heat Exchanger Tube, Stainless Steel 321H Heat Exchanger Tubes, SS TP321 Heat Exchanger Tubing Supplier In Mumbai, India.

What are the advantages of using stainless steel 321 / 321H heat exchanger tubes over other materials?
Stainless steel 321 heat exchanger tubes offer several advantages over other materials, making them a preferred choice in various applications. One notable advantage is their exceptional corrosion resistance. Stainless steel 321 exhibits excellent resistance to various corrosive environments, including organic acids, oxidizing agents, and moderate to high chloride concentrations. This corrosion resistance ensures the longevity and reliability of heat exchanger systems, reducing maintenance requirements and minimizing the risk of system failure.

Stainless steel 321H heat exchanger tubes offer several advantages over other materials, making them a preferred choice in various applications. One significant advantage is their exceptional high-temperature strength and oxidation resistance. Stainless steel 321H can withstand elevated temperatures up to 900°C (1652°F) without significant mechanical property degradation, making it highly suitable for heat exchanger applications in demanding operating conditions.

Another advantage of stainless steel 321H heat exchanger tubes is their excellent corrosion resistance. They exhibit remarkable resistance to various corrosive environments, including organic acids, oxidizing agents, and moderate to high chloride concentrations.

Specification Of 321 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 321 Heat Exchanger Tubes

Stainless Steel 321 Round Heat Exchanger Tube

321 Stainless Steel Round Heat Exchanger Tube

Stainless Steel 321 Round Heat Exchanger Tube Supplier, Stainless Steel 321 Round Heat Exchanger Tube Stockist, SS 321H Round Heat Exchanger Tube.

Stainless Steel 321 Straight Heat Exchanger Tube

321 Stainless Steel Straight Heat Exchanger Tube

SS 321H Straight Heat Exchanger Tube, Stainless Steel 321 Straight Heat Exchanger Tube Supplier, Stainless Steel 321 Straight Heat Exchanger Tube Stockist.

Stainless Steel 321 Heat Exchanger U Tube

321 Stainless Steel Heat Exchanger U Tube

Stainless Steel 321 Heat Exchanger U Tube Stockist, Stainless Steel 321 Heat Exchanger U Tube Supplier, SS 321H Heat Exchanger U Tube.

Stainless Steel 321 Seamless Heat Exchanger Tube

321 Stainless Steel Seamless Heat Exchanger Tube

Stainless Steel 321 Heat Exchanger Seamless Tube Stockist, SS 321H Seamless Heat Exchanger Tube, Stainless Steel 321 Seamless Heat Exchanger Tube Supplier.

Widest Range of 321-321H Stainless Steel Heat Exchanger Tubes in Mumbai, India.

  • Widest Range321 Stainless Steel Heat Exchanger Welded Tubing
  • Widest RangeStainless Steel 321 Recuperative Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Electropolish Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Cross Flow Heat Exchanger Tube
  • Widest Range321 Stainless Steel Heat Exchanger Tubing
  • Widest RangeStainless Steel 321 Parallel Flow Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Counter Flow Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Hybrid Flow Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Capacitive Heat Exchanger Tube
  • Widest RangeStainless Steel 321 Welded Heat Exchanger Tube
  • Widest RangePolished 321 Stainless Steel Heat Exchanger Tubing
  • Widest RangeASTM A213 SS 321 Seamless Heat Exchanger Tube
  • Widest RangeASME SA213 Stainless Steel 321 Heat Exchanger Tube
  • Widest Range321 Stainless Steel Heat Exchanger Tubing Suppliers
  • Widest Range321 Stainless Steel Heat Exchanger Tube HS Code
  • Widest RangeASTM A249 321 Welded Heat Exchanger Tube
  • Widest Range321 SS Heat Exchanger Tube
  • Widest RangeA213 Stainless Steel 321H Heat Exchanger Tube
  • Widest RangeStainless Steel 321H Heat Exchanger Round Tube
  • Widest RangeASME SA249 Stainless Steel 321H Heat Exchanger Tube

Check Stainless Steel 321/321H Tubes Types In Detail

321 Stainless Steel Heat Exchanger Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

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321 / 321H Stainless Steel Heat Exchanger Tubes Price

Product Price
S32100 Stainless Steel Heat Exchanger Tube Price US $ 1000 - 3000 / Ton
ASTM A213 Stainless Steel 321 Heat Exchanger Tube Price List $700.00 - $1,900.00/ Ton
Austenitic Stainless Steel 321H Heat Exchanger Tube Price Per Piece $4.00 - $100.00/ Piece
38.10mm SS 321H Heat Exchanger Tube Price Per Kg $4 - 23 / Kg
12.70 mm Stainless Steel S32109 Heat Exchanger Tube Price US $ 1100 - 2000 / Ton
321 Stainless Steel Seamless Heat Exchanger Tube Price $1,082.00 - $3,489.00/ Ton
321 Stainless Steel Welded Heat Exchanger Tube Price US $ 1400 - 12000 / Ton
SS 1.4878 Heat Exchanger Tube Price List US $ 12 - 45 / Pound
321 Stainless Steel Heat Exchanger Tube Price In India $698.00 - $1,480.00/ Ton

For Quatation & Questions Related To Stainless Steel 321 Heat Exchanger Tubes

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Stainless Steel 321 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 321H Heat Exchanger Tube

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

Mechanical Properties Of 321 Stainless Steel Heat Exchanger Tubing

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Testing & Inspection of 321 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 321 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 321 And 321H Heat Exchanger Tubes

The cities listed here are where we have supplied our Grade 321H stainless steel Heat Exchanger Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 321 Heat Exchanger Tubes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of 321/321H 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 321 Heat Exchanger Tubes

321 Stainless Steel Heat Exchanger Tubes For Transport, 321H Stainless Steel Heat Exchanger Tubes For Pharmaceutical Industry, 321H Stainless Steel Heat Exchanger Tubes For Production, 321 SS Heat Exchanger Tubes For Health care, 321 Stainless Steel Heat Exchanger Tubes For Agriculture, Stainless Steel 1.4878 Heat Exchanger Tubes For Waste, 321 Stainless Steel Heat Exchanger Tubes For Factory, Stainless Steel 321H Heat Exchanger Tubes For Real Estate, UNS S32100 Heat Exchanger Tubes For Mining, Stainless Steel 321 Heat Exchanger Tubes For Technology, 321 Stainless Steel Heat Exchanger Tubes For Chemical Industry, Stainless Steel 1.4541 Heat Exchanger Tubes For Construction, 321H Stainless Steel Heat Exchanger Tubes For Rail Transport, 321 Stainless Steel Heat Exchanger Tubes For Pulp and Paper Industry, 321H Stainless Steel Heat Exchanger Tubes For Tertiary Sector, UNS S32109 Heat Exchanger Tubes For Engineering, 321 Stainless Steel Heat Exchanger Tubes For Electronics, 321 Stainless Steel Heat Exchanger Tubes For Food Industry, 321 Stainless Steel Heat Exchanger Tubes For Manufacturing, 321 Stainless Steel Heat Exchanger Tubes For Energy, Stainless Steel 1.4878 Heat Exchanger Tubes For Textile Industry.

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