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Nickel alloys are some of the most useful materials for manufacturing technically superior pipes and tubes for industrial applications. Their inherent properties make them viable for a wide range of uses. Nickel alloys are exceptionally corrosion-resistant and can be used in high-temperature environments. As nickel alloys are so ductile, they are very effectively machined to produce pipes and tubes, while retaining strength. This makes them good for use in heat exchangers in chemical processing, for example, which relies on tubing that can withstand both the hot and corrosive environment. Nickel-based tubes and pipes are also used in steam generators, aircraft systems, and in oil and gas extraction.
To meet the demand for these high-quality products, there are quite a few variants of nickel alloy pipes and tubes available on the market. Common alloys for custom pipe & fittings include: Alloy 200, 201, 330, 400, 600, 601, 625, 718, 800, 800H, 800HP, 800HT, 825, 904L, AL6XN, Alloy 20, Alloy K500, C22, C276, Hastelloy X®, Inconel®, Monel®, Incoloy®.
Copper Nickel Alloy Pipe Feature:
1. Excellent corrosion resistance to turbulent flow in condensers for coastal power plants, petroleum refineries, and chemical plants.
2. High impingement corrosion resistance to brackish seawater at velocities up to 3 to 4 m/sec, used in desalination plants and other seawater condenser applications.
Pipe | Butt Weld Fittings | Socket Weld & Threaded Fittings | Flanges | |
Types | Seamless and Welded | 90º LRs, 90º SRs, 45º Elbows, | 90º Elbows, 45º Elbows, Tees, | Blind, Slip-On, Socket Weld, |
Sizes | 1/4″ – 8″ Seamless | 1/2″ – 12″ | 1/4″ -2″ | 1/2″ – 12″ |
Schedules | Sch 10S – XXH | Sch 10S – 80S | Sch 10S – 80S | |
Pressures | 3000# | 150# – 300# | ||
* Higher pressure ratings and larger sizes than listed above are available upon request. | ||||
| Alloy | UNS | Description |
| 200 | N02200 | This alloy provides highly ductile mechanical properties across a wide temperature range. |
| 825 | N08825 | An austenitic nickel-iron-chromium-molybdenum-copper alloy providing high levels of corrosion resistance. |
| 201 | N02201 | This alloy provides highly ductile mechanical properties across a wide temperature range. |
| ALLOY 20 | N08020 | This alloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. |
| 400 | N04400 | A ductile nickel-copper alloy with resistance to a variety of corrosive conditions. |
| ALLOY 22 | N06022 | A Ni-Cr-Mo alloy that provides outstanding resistance to pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. |
| 600 | N06600 | Nickel Chromium alloy designed for use from cryogenic to 2000°F. It is non-magnetic and readily weldable. |
| ALLOY 59 | N06059 | This alloy is a nickel-chromium-molybdenum alloy with an extra-low carbon and silicon content. |
| 601 | N06601 | An austenitic nickel-chromium-iron alloy designed for both heat and corrosion resistance. |
| B-2 | N10665 | This alloy is a solid solution strengthened, nickel-molybdenum alloy, typically used in extreme reducing conditions. |
| 625 | N06625 | An austenitic nickel-base superalloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions. |
| C276 | N10276 | A nickel-molybdenum-chromium-iron-tungsten alloy which is among the most corrosion-resistant of alloys currently available. |
| 686 | N06686 | An alloy designed for outstanding corrosion resistance in a wide range of severe environments. |
| C-2000 | N06200 | An extremely versatile nickel alloy resistant to corrosion in all acids and chloride solutions, over wide temperature ranges. |
| 800 | N08800 | Nickel-iron-chromium alloys designed to resist oxidation and carburization at elevated temperatures. They are highly resistant to chloride stress corrosion cracking and to embrittlement from precipitation of sigma phase. |
| G-3 | N06985 | This alloy has good weldability and resistance to intergranular corrosion in the welded condition. |
| 904L | N08904 | This alloy is designed for a middle to high level of corrosion resistance. |
| 800H | N08810 | Nickel-iron-chromium alloys designed to resist oxidation and carburization at elevated temperatures. They are highly resistant to chloride stress corrosion cracking and to embrittlement from precipitation of sigma phase. |
| G-30 | N06030 | A high chromium nickel-base alloy which shows superior corrosion resistance over most other nickel and iron-base alloys in commercial phosphoric acids and complex environments containing highly oxidizing acids. |
| 800HT | N08811 | Nickel-iron-chromium alloys designed to resist oxidation and carburization at elevated temperatures. They are highly resistant to chloride stress corrosion cracking and to embrittlement from precipitation of sigma phase. |
PIPE SIZE (NPS) | OD | ID | SCHEDULES | WALL | APPROX LBS PER FT |
| 1/8″ | .405 | .307 | 10, 10S | .049 | .1863 |
| .269 | 40, STD, 40S | .068 | .2447 | ||
| .215 | 80, XS, 80S | .095 | .3145 | ||
| 1/4″ | .540 | .410 | 10, 10S | .065 | .3297 |
| .364 | 40, STD, 40S | .088 | .4248 | ||
| .302 | 80, XS, 80S | .119 | .5351 | ||
| 3/8″ | .675 | .545 | 10, 10S | .065 | .4235 |
| .493 | 40, STD, 40S | .091 | .5676 | ||
| .423 | 80, XS, 80S | .126 | .7388 | ||
| 1/2″ | .840 | .674 | 10, 10S | .083 | .6710 |
| .622 | 40, STD, 40S | .109 | .8510 | ||
| .546 | 80, XS, 80S | .147 | 1.088 | ||
| .466 | 160 | .187 | 1.304 | ||
| .252 | XX | .294 | 1.714 | ||
| 3/4″ | 1.050 | .884 | 10, 10S | .083 | .8572 |
| .824 | 40, STD, 40S | .113 | 1.131 | ||
| .742 | 80, XS, 80S | .154 | 1.474 | ||
| .614 | 160 | .218 | 1.937 | ||
| .434 | XX | .308 | 2.441 | ||
| 1″ | 1.315 | 1.097 | 10, 10S | .109 | 1.404 |
| 1.049 | 40, STD, 40S | .133 | 1.679 | ||
| .957 | 80, XS, 80S | .179 | 2.172 | ||
| .815 | 160 | .250 | 2.844 | ||
| .599 | XX | .358 | 3.659 | ||
| 1 1/4″ | 1.660 | 1.442 | 10, 10S | .109 | 1.806 |
| 1.380 | 40, STD, 40S | .140 | 2.273 | ||
| 1.278 | 80, XS, 80S | .191 | 2.997 | ||
| 1.160 | 160 | .250 | 3.765 | ||
| .896 | XX | .382 | 5.214 | ||
| 1 1/2″ | 1.900 | 1.682 | 10, 10S | .109 | 2.085 |
| 1.610 | 40, STD, 40S | .145 | 2.718 | ||
| 1.500 | 80, XS, 80S | .200 | 3.631 | ||
| 1.337 | 160 | .281 | 4.859 | ||
| 1.100 | XX | .400 | 6.408 | ||
| 2″ | 2.375 | 2.157 | 10, 10S | .109 | 2.638 |
| 2.067 | 40, STD, 40S | .154 | 3.853 | ||
| 1.939 | 80, XS, 80S | .218 | 5.022 | ||
| 1.689 | 160 | .344 | 7.462 | ||
| 1.503 | XX | .436 | 9.029 | ||
| 2 1/2″ | 2.875 | 2.635 | 10, 10S | .120 | 3.531 |
| 2.469 | 40, STD, 40S | .203 | 5.793 | ||
| 2.323 | 80, XS, 80S | .276 | 7.651 | ||
| 2.125 | 160 | .375 | 10.01 | ||
| 1.771 | XX | .552 | 13.70 | ||
| 3″ | 3.500 | 3.260 | 10, 10S | .120 | 4.332 |
| 3.068 | 40, STD, 40S | .216 | 7.576 | ||
| 2.900 | 80, XS, 80S | .300 | 10.25 | ||
| 2.624 | 160 | .438 | 14.32 | ||
| 2.300 | XX | .600 | 18.58 | ||
| 3 1/2″ | 4.000 | 3.760 | 10, 10S | .120 | 4.937 |
| 3.548 | 40, STD, 40S | .226 | 9.109 | ||
| 3.364 | 80, XS, 80S | .318 | 12.51 | ||
| 2.728 | XX | .636 | 22.85 | ||
| 4″ | 4.500 | 4.260 | 10, 10S | .120 | 5.613 |
| 4.026 | 40, STD, 40S | .237 | 10.790 | ||
| 3.826 | 80, XS, 80S | .337 | 14.98 | ||
| 3.624 | 120 | .438 | 19 | ||
| 3.438 | 160 | .531 | 22.51 | ||
| 3.152 | XX | .674 | 27.54 | ||
| 4 1/2″ | 5.000 | 4.506 | STD, 40S | .247 | 12.54 |
| 4.290 | XS, 80S | .355 | 17.61 | ||
| 5″ | 5.563 | 5.295 | 10, 10S | .134 | 7.770 |
| 5.047 | 40, STD, 40S | .258 | 14.62 | ||
| 4.813 | 80, XS, 80S | .375 | 20.78 | ||
| 4.563 | 120 | .500 | 27.04 | ||
| 4.313 | 160 | .625 | 32.96 | ||
| 4.063 | XX | .750 | 38.55 | ||
| 6″ | 6.625 | 6.357 | 10, 10S | .134 | 9.290 |
| 6.065 | 40, STD, 40S | .280 | 18.97 | ||
| 5.761 | 80, XS, 80S | .432 | 28.57 | ||
| 5.501 | 120 | .562 | 35.39 | ||
| 5.189 | 160 | .719 | 43.35 | ||
| 4.897 | XX | .864 | 53.16 | ||
| 8″ | 8.625 | 8.329 | 10, 10S | .148 | 13.40 |
| 8.125 | 20 | .250 | 22.36 | ||
| 8.071 | 30 | .277 | 24.70 | ||
| 7.981 | 40, STD, 40S | .322 | 28.55 | ||
| 7.813 | 60 | .406 | 35.64 | ||
| 7.625 | 80, XS, 80S | .500 | 43.39 | ||
| 7.439 | 100 | .594 | 50.95 | ||
| 7.189 | 120 | .719 | 61.71 | ||
| 7.001 | 140 | .812 | 67.76 | ||
| 6.813 | 160 | .906 | 74.79 | ||
| 6.875 | XX | .875 | 72.42 | ||
| 10″ | 10.750 | 10.420 | 10, 10S | .165 | 18.65 |
| 10.250 | 20 | .250 | 28.04 | ||
| 10.136 | 30 | .307 | 34.24 | ||
| 10.020 | 40, STD, 40S | .365 | 40.48 | ||
| 9.750 | 60, XS, 80S | .500 | 54.74 | ||
| 9.564 | 80 | .594 | 64.43 | ||
| 9.314 | 100 | .719 | 77.03 | ||
| 9.064 | 120 | .844 | 82.29 | ||
| 8.750 | 140, XX | 1.000 | 104.1 | ||
| 8.500 | 160 | 1.125 | 115.6 | ||
| 12″ | 12.750 | 12.390 | 10, 10S | .180 | 24.16 |
| 12.250 | 20 | .250 | 33.38 | ||
| 12.090 | 30 | .330 | 43.77 | ||
| 12.000 | STD, 40S | .375 | 49.56 | ||
| 11.938 | 40 | .406 | 53.52 | ||
| 11.750 | XS, 80S | .500 | 65.42 | ||
| 11.626 | 60 | .562 | 73.15 | ||
| 11.376 | 80 | .688 | 88.63 | ||
| 11.064 | 100 | .844 | 107.9 | ||
| 10.750 | 120, XX | 1.000 | 125.5 | ||
| 10.500 | 140 | 1.125 | 136.7 | ||
| 10.126 | 160 | 1.312 | 150.3 | ||
| 14″ | 14.000 | 13.624 | 10S | .188 | 27.73 |
| 13.500 | 10 | .250 | 36.71 | ||
| 13.375 | 20 | .312 | 45.61 | ||
| 13.250 | 30, STD, 40S | .375 | 54.57 | ||
| 13.124 | 40 | .438 | 63.44 | ||
| 13.000 | XS, 80S | .500 | 72.09 | ||
| 12.814 | 60 | .594 | 85.05 | ||
| 12.500 | 80 | .750 | 106.1 | ||
| 12.124 | 100 | .938 | 130.9 | ||
| 11.814 | 120 | 1.09 | 150.8 | ||
| 11.500 | 140 | 1.250 | 170.2 | ||
| 11.188 | 160 | 1.406 | 189.1 | ||
| 16″ | 16.000 | 15.624 | 10S | .188 | 31.75 |
| 15.500 | 10 | .250 | 42.05 | ||
| 15.375 | 20 | .312 | 52.27 | ||
| 15.250 | 30, STD, 40S | .375 | 62.58 | ||
| 15.000 | 40, XS, 80S | .500 | 82.77 | ||
| 14.688 | 60 | .656 | 107.5 | ||
| 14.314 | 80 | .844 | 136.6 | ||
| 13.938 | 100 | 1.031 | 164.8 | ||
| 13.564 | 120 | 1.22 | 192.4 | ||
| 13.124 | 140 | 1.438 | 223.6 | ||
| 12.814 | 160 | 1.594 | 245.3 | ||
| 18″ | 18.000 | 17.624 | 10S | .188 | 35.76 |
| 17.500 | 10 | .250 | 47.99 | ||
| 17.375 | 20 | .312 | 58.94 | ||
| 17.250 | STD, 40S | .375 | 70.59 | ||
| 17.124 | 30 | .438 | 82.15 | ||
| 17.000 | XS, 80S | .500 | 93.45 | ||
| 16.876 | 40 | .562 | 104.7 | ||
| 16.500 | 60 | .750 | 138.2 | ||
| 16.126 | 80 | .938 | 170.9 | ||
| 15.688 | 100 | 1.156 | 208.0 | ||
| 15.250 | 120 | 1.38 | 244.10 | ||
| 14.876 | 140 | 1.562 | 274.20 | ||
| 14.438 | 160 | 1.781 | 308.5 | ||
| 20″ | 20.000 | 19.564 | 10S | .218 | 48.05 |
| 19.500 | 10 | .250 | 52.73 | ||
| 19.250 | 20, STD, 40S | .375 | 78.6 | ||
| 19.000 | 30, XS, 80S | .500 | 104.10 | ||
| 18.812 | 40 | .594 | 123.10 | ||
| 18.376 | 60 | .812 | 155.40 | ||
| 17.938 | 80 | 1.031 | 208.90 | ||
| 17.438 | 100 | 1.281 | 256.10 | ||
| 17.000 | 120 | 1.500 | 296.40 | ||
| 16.500 | 140 | 1.750 | 341.10 | ||
| 16.064 | 160 | 1.969 | 379.20 | ||
| 24″ | 24.000 | 23.500 | 10, 10S | .250 | 63.41 |
| 23.250 | 20, STD, 40S | .375 | 96.42 | ||
| 23.000 | XS, 80S | .500 | 125.50 | ||
| 22.876 | 30 | .562 | 140.70 | ||
| 22.626 | 40 | .688 | 171.30 | ||
| 22.064 | 60 | .969 | 238.40 | ||
| 21.564 | 80 | 1.219 | 296.80 | ||
| 20.938 | 100 | 1.531 | 357.40 | ||
| 20.376 | 120 | 1.812 | 429.40 | ||
| 19.876 | 140 | 2.062 | 483.10 | ||
| 19.314 | 160 | 2.344 | 542.10 | ||
| 30″ | 30.000 | 29.376 | 10, 10S | .312 | 98.93 |
| 29.250 | STD, 40S | .375 | 118.65 | ||
| 29.000 | 20, XS, 80S | .500 | 157.53 | ||
| 28.750 | 30 | .625 | 196.06 | ||
| 36″ | 36.000 | 35.376 | 10 | .312 | 118.92 |
| 35.250 | STD, 40S | .375 | 142.68 | ||
| 35.000 | XS, 80S | .500 | 189.57 | ||
| 34.750 | 30 | .625 | 235.13 | ||
| 48″ | 48.000 | 47.250 | STD, 40S | .375 | 190.74 |
| 47.000 | XS, 80S | .500 | 253.65 |
| Trade Name | UNS # | Seamless Tube | Welded Tube |
| Alloy® 20 | N08020 | B/SB729 | B/SB468 |
| Nickel 200 | N02200 | B/SB161 | B730 |
| Nickel 201 | N02201 | B/SB161 | B730 |
| Monel® 400 | N04400 | B/SB165 | B730 |
| Inconel® 600 | N06600 | B/SB167 | B/SB516 |
| Inconel® 625 | N06625 | B/SB444 | B/SB704 |
| Incoloy® 800 | N08800 | B/SB407 | B/SB515 |
| Incoloy® 800H | N08810 | B/SB407 | B/SB515 |
| Incoloy® 800HT | N08811 | B/SB407 | B/SB515 |
| Incoloy® 825 | N08825 | B/SB423 | B/SB704 |
Chemical Composition
| Grade | Chemical Composition | ||||||||
C | Si max | Mn max | P | S | Ni | Cr | Mo | Ti | |
200 | 0.15 | 0.35 | 0.35 | 0.010 | 99 min | ||||
201 | 0.02 | 0.35 | 0.35 | 0.010 | 99 min | ||||
400 | 0.30 | 0.50 | 2.00 | 0.024 | 63 min | ||||
600 | 0.15 | 0.50 | 1.00 | 0.015 | 72 min | 14 – 17 | |||
601 | 0.10 | 0.50 | 1.00 | 0.015 | 58 – 63 | 21 – 25 | |||
625 | 0.10 | 0.50 | 0.50 | 0.015 | 0.015 | 58 min | 20 – 23 | 8 – 10 | 0.40 max |
800 | 0.10 | 1.00 | 1.50 | 0.03 | 0.015 | 30 – 35 | 19 – 23 | 0.15 0.60 | |
800H | 0.05 0.10 | 1.00 | 1.50 | 0.015 | 30 – 35 | 19 – 23 | 0.15 0.60 | ||
825 | 0.05 | 0.50 | 1.00 | 0.03 | 38 – 46 | 19.5 23.5 | 2.5 3.5 | 0.6 1.2 | |
904L | 0.02 | 1.00 | 2.00 | 0.030 | 0.015 | 24 – 26 | 19 23 | 4 5 | |
ALLOY | NICKEL ALLOY DENSITY | THERMAL, CONDUCTIVITY | THERMAL LINEAR EXPANSION COEFF. (20-95 °C) | ELECTRICAL RESISTIVITY, AT 20°C |
G/CM³ | W/M K | 10-6/K | ΜΩ-CM | |
NI 200/201 | 8.89 | 70.20 | 13.3 | 9 |
NI 205/205 LC | 8.89 | 75.00 | 13.3 | 8.9 |
| Surface Finish | Internal Surface(ID) | Exterbal Surface(OD) | |||
| Roughness Average(RA) | Roughness Average(RA) | ||||
| μ inch | μm | μ inch | μm | ||
| EP | Electro Polish | 15,10,7,5 | 0.38,0.25,0.20;0.13 | 32 | 0.8 |
| BA | Bright Annealed | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
| AP | Annealed & Pickled | Not defined | Not defined | 40 or Not defined | 1.0 or Not defined |
| MP | Mechanical Polish | 40,32,25,20 | 1.0,0.8,0.6,0.5 | 32 | 0.8 |
Packing

What are the main advantages of Nickel Alloy Tubes compared to standard stainless steel?
Nickel alloy tubes are engineered for extreme industrial environments. Compared to standard stainless steel, they offer superior corrosion resistance, exceptional high-temperature strength, and excellent durability. For example, Inconel 625 can operate at temperatures up to 1,100°C (26% higher than 316L) and offers a corrosion rate up to 20 times slower in harsh acidic environments. They are ideal for high-pressure, high-temperature, and highly corrosive applications.
Do you manufacture Seamless or Welded Nickel Alloy Tubes?
We specialize in high-quality Seamless Nickel Alloy Tubes, which are essential for high-pressure applications like oil & gas extraction, petrochemical plants, and heat exchangers. We also supply Welded Tubes for less demanding pressure environments. Our seamless tubes can be customized with outer diameters ranging from 0.6mm to 1000mm and wall thicknesses from 0.05mm to 20.0mm.
In which industries and applications are nickel alloy tubes most commonly used?
Due to their exceptional corrosion resistance, high-temperature strength, and durability, nickel alloy tubes are specified for the most demanding environments. Key applications include:
Chemical & Petrochemical Processing: For handling corrosive substances, acids, and high-temperature gases.
Oil & Gas Extraction: For downhole tubing, subsea equipment, and transport of sour gas (containing H₂S).
Power Generation: For heat exchangers, steam generator tubing in nuclear power plants, and components in fossil-fuel plants.
Aerospace & Defense: For high-temperature aircraft systems and engine components that require high strength-to-weight ratios and resistance to thermal fatigue.
Marine Engineering: For desalination equipment and components exposed to seawater, which is highly corrosive.
Can you provide customized sizes and surface treatments?
Absolutely. We offer extensive OEM/ODM services. You can customize the outer diameter, wall thickness, and length (standard 3m or 6m, or as required). We also provide various surface treatments and finishing options, such as Bright Annealed (BA) finish, polished surfaces, or specific pickling treatments, depending on your application (e.g., electronic-grade clean tubes or vacuum applications).
What is your Minimum Order Quantity (MOQ) and typical lead time?
We support flexible purchasing for both trial orders and large-scale projects. Our standard MOQ for seamless nickel alloy tubes starts from 2,000 kgs. The typical production lead time is 3 to 4 weeks from the confirmation of the order, depending on the total quantity and raw material stock. We accept standard international payment terms (T/T, L/C) and can arrange EXW, FOB, CFR, or CIF shipping.