What is Alloy 20, and why is it used in heat exchanger tubes?

Alloy 20 is a specialized nickel-iron-chromium alloy that contains molybdenum, copper, and niobium. It is known for its exceptional corrosion resistance, particularly in harsh environments involving sulfuric acid, phosphoric acid, and chloride-containing solutions. This unique combination of elements provides Alloy 20 with remarkable stability and durability, making it an ideal choice for heat exchanger tubes.

Heat exchangers are widely used in various industries to transfer heat between two fluids while separating them physically. The corrosive nature of many industrial processes requires materials that can withstand aggressive environments without compromising performance. Alloy 20's excellent resistance to corrosion makes it highly suitable for heat exchanger tubes, ensuring long-lasting and efficient heat transfer operations, even in demanding applications.

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How does Alloy 20 compare to other materials commonly used in heat exchanger tubes regarding corrosion resistance?

Regarding corrosion resistance, Alloy 20 stands out among other materials commonly used in heat exchanger tubes. Its corrosion resistance properties are remarkable in highly corrosive environments containing sulfuric acid, phosphoric acid, and chloride-containing solutions. Compared to stainless steels such as 304L and 316L, Alloy 20 demonstrates superior stress corrosion cracking, pitting, and crevice corrosion resistance. It also exhibits excellent resistance to sulfuric acid attack, even in up to 50% concentrations.

Compared to nickel-based alloys like Hastelloy C-276 and Inconel 625, Alloy 20 provides comparable corrosion resistance while offering advantages such as better fabricability, lower cost, and availability in a wider range of product forms. These characteristics make Alloy 20 a preferred choice for heat exchanger tubes in corrosive environments where other materials may succumb to accelerated degradation and compromise the performance of the heat exchanger system.

What are the key properties of Alloy 20 make it suitable for heat exchanger applications?

Alloy 20 possesses several key properties that make it highly suitable for heat exchanger applications. Firstly, it exhibits exceptional corrosion resistance, particularly in aggressive environments containing sulfuric acid, phosphoric acid, and chloride-containing solutions. This corrosion resistance is crucial in ensuring the longevity and reliability of heat exchanger tubes, as they often come into contact with corrosive fluids. Additionally, Alloy 20 offers good mechanical properties, including high tensile strength, excellent flexibility, and superior toughness. These properties enable the tubes to withstand high pressures and mechanical stresses during operation.

Specification Of Alloy 20 Heat Exchanger Tube

Standard ASTM B468 / ASME SB468
Item Heat Exchanger Tube
Heat Exchanger Tube Sizes 3/8″ OD to 3″ OD (Imperial and Metric sizes)
Heat Exchanger Tube Thickness 0.7mm to 4mm
Heat Exchanger Tube Length 3 MTRS, Custom Length
Test Certifcate EN 10204 3.1

Inconel 20 Heat Exchanger Tube Length, Carpenter 20 Heat Exchanger Tube, Incoloy Alloy 20 Heat Exchanger U Tube, Alloy 20cb3 Heat Exchanger Tube Manufacturers, Nickel Alloy 20 Heat Exchanger Shell and Tube.

Types Of Alloy 20 Heat Exchanger Tubes

Alloy 20 Round Heat Exchanger Tube

Alloy 20 Round Heat Exchanger Tube

Inconel 20 Round Heat Exchanger Tube, Carpenter 20 Round Heat Exchanger Tube Stockist, Alloy 20cb3 Round Heat Exchanger Tube Supplier.

Alloy 20 Straight Heat Exchanger Tube

Alloy 20 Straight Heat Exchanger Tube

Alloy 20cb3 Straight Heat Exchanger Tube Supplier, Inconel 20 Straight Heat Exchanger Tube, Carpenter 20 Straight Heat Exchanger Tube Stockist.

Alloy 20 Heat Exchanger U Tube

Alloy 20 Heat Exchanger U Tube

Inconel 20 Heat Exchanger U Tube, Alloy 20cb3 Heat Exchanger U Tube Stockist, Carpenter 20 Heat Exchanger U Tube Supplier.

Alloy 20 Seamless Heat Exchanger Tube

Alloy 20 Seamless Heat Exchanger Tube

Alloy 20cb3 Seamless Heat Exchanger Tube Supplier, Carpenter 20 Heat Exchanger Seamless Tube Stockist, Inconel 20 Seamless Heat Exchanger Tube.

Widest Range of Alloy 20 Heat Exchanger Tubes in Mumbai, India.

  • Widest RangeInconel 20 Heat Exchanger Tube
  • Widest RangeIncoloy Alloy 20 Heat Exchanger Tubing
  • Widest RangeAlloy 20 Condenser Tubes
  • Widest RangeAlloy 20 Heat Exchanger Tube
  • Widest RangeAlloy 20cb3 Heat Exchanger Tubing
  • Widest RangeAlloy 20 U Tube Heat Exchanger
  • Widest RangeNickel Alloy 20 Heat Exchanger Tube
  • Widest RangeNickel Alloy 20 Welded Heat Exchanger Tube
  • Widest RangeAlloy 20 Round Heat Exchanger Tube
  • Widest RangeInconel 20 Heat Exchanger Tubing
  • Widest RangeASTM B468 Alloy 20 Welded Heat Exchanger Tube
  • Widest RangeInconel 20 Seamless Heat Exchanger Tube
  • Widest RangeASME SB468 Alloy 20 Heat Exchanger Tube
  • Widest RangeAlloy 20 Heat Exchanger Seamless Tubing

Check Alloy 20 Tubes Types In Detail

Alloy 20 Heat Exchanger Tubes Equivalent Grades

STANDARD WERKSTOFF NR. UNS EN AFNOR
Alloy 20 2.4660 N08020 NiCr20CuMo Z2NCUD31-20AZ

Inconel 20 Heat Exchanger Tube Sizes Chart, Incoloy Alloy 20 Heat Exchanger Tube Manufacturers In India, Alloy 20 Heat Exchanger Tubing, Inconel 20 Heat Exchanger Tube Suppliers, Incoloy Alloy 20 Heat Exchanger Tube Exporter In India.

Alloy 20 Heat Exchanger Tubes Price

Product Price
38.10mm Incoloy Alloy 20 Heat Exchanger Tube Price Per Kg $4 - 23 / Kg
Alloy N08020 Heat Exchanger Tube Price US $ 1000 - 3000 / Ton
ASTM B468 Alloy 20cb3 Heat Exchanger Tube Price List $700.00 - $1,900.00/ Ton
12.70 mm Alloy N08020 Heat Exchanger Tube Price US $ 1100 - 2000 / Ton
Nickel Alloy 20 Heat Exchanger Tube Price Per Piece $4.00 - $100.00/ Piece
Incoloy Alloy 20 Heat Exchanger Tube Price In India $698.00 - $1,480.00/ Ton
Carpenter 20 Welded Heat Exchanger Tube Price US $ 1400 - 12000 / Ton
Alloy 20 Seamless Heat Exchanger Tube Price $1,082.00 - $3,489.00/ Ton
Alloy 2.4660 Heat Exchanger Tube Price List US $ 12 - 45 / Pound

For Quatation & Questions Related To Alloy 20 Heat Exchanger Tubes

Avoid those problems that occur with low-quality Alloy 20 Heat Exchanger Tubes by getting high-quality Inconel 20 Heat Exchanger tubes at competitive prices from us. Give us a call or send us an email to discuss how we can help you build your business. Working with such an esteemed client as you will make us happy.

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Alloy 20 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 Alloy 20 Heat Exchanger Tube

Grade C Mn Si S Cu Ni Cr Fe Mo P
Alloy 20 0.07 max 2.00 max 1.00 max 0.035 max 3.00 – 4.00 32.00 – 38.00 19.00 – 21.00 29.85 min* 2.00 – 3.00 0.045 max

Mechanical Properties Of Nickel Alloy 20 Heat Exchanger Tubing

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Alloy 20 8.1 g/cm3 1443 °C (2430 °F) Psi -80,000, MPa -551 Psi – 35,000, MPa – 241 30 %

Testing & Inspection of Carpenter 20 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

Alloy 20 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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We have exported and supplied our Carpenter 20 Heat Exchanger Tubes to solve tubing related problems of our prestigious domestic and worldwide clients. We appreciate your business and the confidence you have placed in us.

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Supply Cities Of Alloy 20 Heat Exchanger Tubes

The cities listed here are where we have supplied our Inconel 20 Heat Exchanger Tubes in bulk or small orders. Cities from metropolitan to rural areas we can provide Alloy 20cb3 Heat Exchanger Tubes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of Alloy 20 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 Alloy 20 Heat Exchanger Tubes

Carpenter 20 Heat Exchanger Tubes For Transport, Alloy 20 Heat Exchanger Tubes For Agriculture, Incoloy Alloy 20 Heat Exchanger Tubes For Health care, Alloy 20cb3 Heat Exchanger Tubes For Pulp and Paper Industry, Nickel Alloy 20 Heat Exchanger Tubes For Pharmaceutical Industry, Alloy 20 Heat Exchanger Tubes For Electronics, Nickel Alloy 20 Condenser Tubes For Chemical Industry, UNS N08020 Heat Exchanger Tubes For Mining, Alloy 20 Heat Exchanger Tubes For Rail Transport, Incoloy Alloy 20 Heat Exchanger Tubes For Manufacturing, Alloy 20 Heat Exchanger Tubes For Real Estate, Alloy N08020 Heat Exchanger Tubes For Engineering, Inconel 20 Heat Exchanger Tubes For Production, Alloy 2.4660 Condenser Tubes For Textile Industry, Alloy 20cb3 Heat Exchanger Tubes For Factory, Alloy 20 Heat Exchanger Tubes For Energy, Nickel Alloy 20 Heat Exchanger Tubes For Food Industry, Alloy 20 Heat Exchanger Tubes For Tertiary Sector, Alloy 2.4660 Seamless Heat Exchanger Tubing For Construction, Alloy 20 Heat Exchanger Tubes For Technology, Alloy 2.4660 Heat Exchanger Tubes For Waste.

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