Heat Exchanger Tube
Heat exchanger tubes are critical components in shell and tube heat exchangers and other types of heat exchangers, designed to efficiently transfer heat between two fluids.
Common Materials:Tubes are commonly made from low carbon steel, Admiralty brass, copper, copper-nickel alloys, stainless steel (such as 304L and 316L), Hastelloy, Inconel, titanium, and other specialty alloys
- Carbon Steel Grade
- Copper and Copper Alloy
- Titanium and Titanium Alloy
- Stainless Steel and Nickel Alloy
| Product Name | Carbon Steel Tube |
| Material Grade | ASTM SA179/178/SA192 |
| EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2 | |
| EN10216-2 195GH,P235GH,P265GH,TC1,TC2 | |
| DIN17175 ST35.8, ST45.8 | |
| JIS G3454 STPG370, STPG410 | |
| JIS G3461 STB340, STB410, STB440 | |
| OD Ranges | 15mm-219mm |
| WT Ranges | 1mm-15mm |
| Length (negotiable) | up to 25000 |
| Tube Type | Cold Drawn or Cold Rolled |
| Tube End | Square |
| End protector | Plastic tube cap; |
| Packing | Seaworthy packing(bundled according to the different size), |
| special with plastic bags or plywood box. | |
| Out Surface Treatment | Bared, Black Painted, Varnish, Oil-dip, Passivation, Phosphating, Shot blasting |
| Tube Test | With Hydro Testing, ECT,UT |
| Application | Low-Pressure Liquid, Water, Gas, Oil, Heat-Transfer Equipment. |
| such as tubular heat exchanger, condenser and superheater, For high, middle,low-pressure boiler and pressure purpose |
| Standard | BS 2871 PART3 | ASTM B 111 | DIN 1785 | NFA 51 102 | JIS H3300 | IS 1545 |
| Symbol | CZ 110 | C 68700 | CuZn20AI2 | CuZn22AI2 | C 6870 | CuZn21AI2As |
| Cu | 76.0-78.0 | 76.0-79.0 | 76.0-79.0 | 76.0-79.0 | 76.0-79.0 | 76.0-78.0 |
| Al | 1.8-2.3 | 1.8-2.5 | 1.8-2.3 | 1.8-2.5 | 1.8-2.5 | 1.8-2.3 |
| Pb | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| Ni | – | – | 0.1 | – | – | – |
| Fe | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 | 0.06 |
| Zn | REM’DER | REM’DER | REM’DER | REM’DER | REM’DER | REM’DER |
| As | 0.02-0.06 | 0.02-0.06 | 0.02-0.35 | 0.02-0.06 | 0.02-0.06 | 0.02-0.06 |
| P | – | – | 0.01 | – | – | – |
| Total Impurities Max. | – | |||||
| 0.03 | – | 0.1 | 0.3 | – | 0.3 | |
| Condition | M | 61 | F39 | – | O | O |
| TA | – | F34 | – | – | TA | |
| O | – | – | – | – | D | |
| Yield Strength n/mm2 | – | 125 | 1 50-230 | – | – | 400Mpa Max. |
| – | 105 | 120-180 | – | – | 355Mpa Min. | |
| – | – | – | – | – | 415Map | |
| Tensile n/mm2 Minimum | – | 345 | 390 | – | 373 | – |
| – | – | 340 | – | – | – | |
| Elng’Tion Percent (%) | – | – | 45Min. | – | 40Min. | 85Max. |
| – | – | 55Min. | – | – | 80-110 | |
| – | – | – | – | – | 130Min. | |
| Hardness HV5 – | 150Min | – | – | 80-130 | – | – |
| 85-110 | – | – | – | – | – | |
| 75Max. | – | – | – | – | – | |
| Grain Size mm (75X) | 0.05Max. | 0.010-0.045 | – | 0.010-0.045 | 0.010-0.045 | 0.010-0.045 |
| Standard | ASTM B338/ASME SB338, ASTM B337/ASME SB337, ASTM B861/ASME SB861, ASTM B862/ASME SB862,AMS4911,AMS4928 |
| Material | Gr1, Gr2 |
| Length | ≤20000mm |
| Size(mm) | OD: 10 – 76.2 mm, Wt: 0.3~ 6mm |
| Shape | Round/ Square/ U-bend |
| Surface Finished | Annealed/ Mechanical Polish or as required |
| Certificate | ISO9001/ EN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV |
| Inspection Testing | 100% Ultrasonic Test, 100%Eddy Current Test, 100%Hydraulic Test |
| 100% X-Ray Test to welded pipe or as required | |
| Mechanical Test, Bend Test, Inter-granular corrosion Test | |
| Packing | Wooden case/ Steel framed plywood case/ simple packing |
| Feature | 1. Low Density and High Strength |
| 2. Excellent Corrosion Resistance | |
| 3. Good resistance to effect of heat | |
| 4. Excellent Bearing to cryogenic property | |
| 5. Nonmagnetic and Non-toxic | |
| 6. Good thermal properties | |
| 7. Low Modulus of Elasticity |
| Chemical Composition | |||||||||||
| Grade | N | C | H | Fe | O | Al | V | Pa | Mo | Ni | Ti |
| Gr1 | ≤0.03 | ≤0.08 | ≤0.015 | ≤0.2 | ≤0.18 | / | / | / | / | / | bal |
| Gr2 | ≤0.03 | ≤0.08 | ≤0.015 | ≤0.3 | ≤0.25 | / | / | / | / | / | bal |
| Material Grade | Nickel Alloy | ASTM B474 | UNS N02200/Ni 200, UNS N02201 /Ni201, | |
| UNS N04400/ Monel 400, UNS N06002 /Hastelloy X, | ||||
| UNS N06022/ Hastelloy C22, | ||||
| UNS N08825/ Incoloy 825, UNS N10276/ Hastelloy C276, | ||||
| UNS N10665 /Hastelloy B2, UNS N10675/Hastelloy B3, | ||||
| UNS N06600/Inconel 600, UNS N06601/ Inconel 601, | ||||
| UNS N06625 /Inconel 625, UNS N08020 /Alloy 20 | ||||
| ASTM B161 | UNS N02200/Ni 200, UNS N02201 /Ni201 | |||
| ASTM B163 | UNS N02200/Ni 200, UNS N02201 /Ni201, | |||
| UNS N06601/ Inconel 601 UNS N04400/ Monel 400, UNS N06600/Inconel 600, | ||||
| ASTM B165 | UNS N04400/ Monel 400 | |||
| ASTM B407 | UNS N08800 /Incoloy 800, UNS N08810 /Incoloy 800H, UNS N08811 /Incoloy 800HT | |||
| ASTM B729 | UNS N08020 /Alloy 20 | |||
| ASTM B444 | UNS N06625 /Inconel 625 , | |||
| ASTM B423 | UNS N08825/ Incoloy 825 | |||
| ASTM B464 | UNS N08020 /Alloy 20 | |||
| ASTM B622 | UNS N10665/Hastelloy B2, UNS N10675/Hastelloy B3, | |||
| UNS N06200/C2000, UNS N10276 /C276, | ||||
| UNS N06002/ Hastelloy-X, UNS N08031/Alloy 31 | ||||
| Duplex Steel | ASTM A789 | S31803,S32205,S32750, S32760 | ||
| ASTM A790 | S31803,S32205,S32750, S32760 | |||
| Stainless Steel | ASTM A312 | TP304,TP304L,TP316,TP316L,316Ti, TP317, TP317L, | ||
| TP321, TP310S, TP347,S31254,N08367,N08926,N08904 | ||||
| ASTM A213 | TP304,TP304L,TP316,TP316L,316Ti TP317,TP317L,TP321,TP310S,TP347,S31254, | |||
| N08367, N08926,N08904 | ||||
| ASTM A269 | TP304,TP304L,TP316,TP316L,TP317,TP317L,TP321,TP347, S31254,N08367,N08926 | |||
Manufacturing Process
Production Flow Chart For Copper Tube:
Production Flow Chart For Carbon Steel and Alloy Tube:
Precision-Engineered for Optimal Heat Transfer Efficiency
Our heat exchanger tubes are vital components in the heat transfer process, efficiently facilitating the exchange of thermal energy between process fluids and shell-side fluids.
With advanced metallurgical expertise, we custom-engineer tubes with ultra-thin walls to maximize heat transfer efficiency. These tubes are designed to deliver exceptional durability and structural integrity, capable of withstanding extreme pressures and temperatures.
Additionally, their superior resistance to corrosion makes them ideal for handling aggressive and corrosive fluids, ensuring long-lasting reliability even in the most demanding environments.
Related Products
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Thermal Conductivity:Copper and copper-nickel alloys have the highest thermal conductivity, making them excellent for efficient heat transfer. Stainless steel and carbon steel have lower conductivity but offer better corrosion resistance and mechanical strength.
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Corrosion Resistance:Stainless steel grades (316L, Duplex series), titanium, and high-nickel alloys (Hastelloy, Monel) are chosen for their superior corrosion resistance, especially in harsh chemical or seawater environments.
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Mechanical Properties:Materials must withstand operating pressures and temperatures. Titanium Grade 2, for example, is valued for moderate mechanical strength combined with excellent corrosion resistance7.
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Cost and Availability:Carbon steel and aluminum are more cost-effective but may not be suitable for aggressive environments or high temperatures
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Tube Sheets:These are metal plates with drilled holes to hold tube ends. Tube sheets are often made of the same or compatible materials as the tubes to prevent galvanic corrosion. Sometimes, alloy cladding is used on carbon steel tube sheets to improve corrosion resistance without high cost.
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Enhanced Tubes:Besides plain tubes, enhanced heat transfer tubes such as finned tubes, spiral grooved tubes, and threaded tubes are used to improve heat transfer performance, especially when heat transfer coefficients differ greatly on either side of the tube wall.
Choosing the right heat exchanger tube depends on balancing thermal conductivity, corrosion resistance, mechanical strength, temperature and pressure requirements, and cost. Copper and copper-nickel alloys excel in thermal conductivity; stainless steels and titanium provide excellent corrosion resistance; carbon steel and aluminum offer cost advantages in less demanding applications. Tube sheets and construction methods also influence durability and performance.