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.
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.
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 Round Heat Exchanger Tube, Carpenter 20 Round Heat Exchanger Tube Stockist, Alloy 20cb3 Round Heat Exchanger Tube Supplier.
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Alloy 20cb3 Seamless Heat Exchanger Tube Supplier, Carpenter 20 Heat Exchanger Seamless Tube Stockist, Inconel 20 Seamless Heat Exchanger Tube.
STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
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 |
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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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.
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 |
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 % |
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 |
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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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 |
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