Invar 36 Tube, Invar 36 Tubing

Invar 36 Tube supplier, Alloy 36 Tube distributor, Invar Alloy 36 Seamless Tubing suppliers, Invar 36 Seamless Tube manufacturer in India, check Invar 36 Tubing Price, Invar 36 Tube Stockist

Invar 36 Tube
Invar 36 Tube
Invar 36 Seamless Tube
Invar 36 Seamless Tube
Invar 36 Tubing
Invar 36 Tubing

Invar 36 Tube, also known as Nickel Alloy 36 Tube, aka Invar 361, Pernifer 362, NILO 364, and Invar Steel Tubing. Invar 36 Tubing is a nickel-iron alloy noted for its uniquely low coefficient of thermal expansion & contains 36% nickel and possesses a rate of thermal expansion approximately one-tenth that of carbon steel.. Invar 36 Seamless Tube is magnetic at temperatures below its Curie point and non-magnetic at temperatures above. Invar 36 Seamless Tubing is the standard alloy for low expansivity up to 400 °F. This nickel iron alloy Invar Alloy 36 Tube also retains good strength and toughness at cryogenic temperatures. Invar Alloy 36 Tubing are became good choice in many industries because Invar 36 seamless tube exhibit a coefficient of thermal expansion (CTE) which is close to zero. This feature of Invar 36 coiled and straight length tubing has made UNS K93600 one of the most effective alloys for the manufacturing of precision instrumentation. Invar 36 High-Pressure Tube is generally thought of as the metal of choice for any type of low expansion application, because it has a very small CTE.

All Invar 36 Instrumentation Tubes material stock is available most common sizes in our Australia, China, Finland, France, Canada, Germany, Italy, the Netherlands, Sweden and the UK inventory. Invar 36 tube material are available in bright annealed and outside diameter range 6 –42 mm (0.25 in –1.625 in) and wall thickness 0.89 –5.00 mm (0.035 in –0.197 in). We at Steel Tubes India also stock Invar 36 seamless tubing, Invar 36 heat exchanger tube and Invar 36 high temperature tubes in straight lengths and coils. We supply all Invar 36 Compression Tubes & Invar 36 high pressure tubing as coiled and straight length tubing both form in annealed and solution annealed condition.

Steel Tubes India is supplier & exporter of Invar 36 high pressure tubing & Invar 36 hydraulic tubes. We stock Invar 36 welded and redrawn, seamless and redrawn coiled tubing & Invar 36 coiled tubing at best price, compare price of Invar 36 Electropolished Tubes with supplier of Invar 36 heat exchanger tubes as seamless, welded or welded redrawn tubes in china. We are stocking distributor of leading manufacturer of Invar 36 tubes in Japan & Europe. Call us for amazing deals on Invar 36 Cold Drawn Tubes. View price list of Invar 36 Square Tube.

Steel Tubes India is Invar Alloy 36 Seamless Tubing supplier in UK & India. We have ready stock of Invar Alloy 36 Gas Tube, tubing in seamless & welded both in cut to length, various sizes & thickness. Offering best price of Invar 36 Exhaust Tube, check our price list of Invar 36 boiler tubes, Invar 36 Polish Tube in India & UK. Latest price of Invar 36 welded tube. Invar 36 tubing also knows as Nilo® alloy 36, Nilvar, NS 36, Permalloy D®, Radio metal 36®, Vacodil 36® tubing.

If you are looking to buy High quality assured Invar 36 capillary tube or Invar 36 sighting tubes at best price in India, send an email to, we will send you the Free Quote & recent price of Invar 36 precision tubes, Invar 36 instrumentation tubes, Invar 36 pyrometer tubes along with inspection & delivery schedule. Steel Tubes India is a Govt. of India recognised Exporter of Invar 36 cannula tubes in India and shipping to Europe, Trinidad & Tobago, Singapore, Qatar, Ethiopia, United Arab Emirates, Oman, Malaysia, Kuwait, Canada, Australia, United States, New Zealand, United Kingdom, St. Helena, South Africa, India, Nigeria, Ghana, Hong Kong, Saudi Arabia, Philippines, Ireland, Pakistan, South Korea, Iraq, Norway, Finland, Egypt, Netherlands, Denmark, Iran, Kenya, Sweden, Thailand, Indonesia, India, Belgium, Taiwan, Greece & Germany since 2002. 36 Invar protection tubes, Alloy 36 protective tubes and Invar 36 hydraulic tubes are available in different sizes, diameter & wall thickness.

Looking to buy Alloy 625 Tube? Inconel 625 Tube?

Check price of Inconel 625 Tube in India

Inconel 625 Tube


Invar 36 Tube Price

Invar 36 Tube Price Origin Price in INR
(per kg)
Price in USD
(per kg)
Price in Euro
(per kg)
Invar 36 Tube Price in India Indian Rs 2800/- $40 €34 Cut to Size
Invar 36 Tube Price in Japan Japanese Rs 3600/- $53 €45 Fix Length
Invar 36 Tube Price in UK / Europe European Rs 4100/- $29 €25 Fix Length
Invar 36 Tube Price in USA USA Rs 4600/- $31 €26 Fix Length

Click here for complete (grade & size wise)

Supplier & stockist of Alloy 36 Seamless Tube, Alloy 36 Tubing, Invar Alloy 36 Seamless Tubing suppliers in India, exporter of Alloy 36 Welded Tube, Alloy 36 Gas Tube in India, Invar 36 Welded Tube stockholder, trader of Invar 36 Bourdon Tube, Invar 36 Square Tube suppliers, Invar Alloy 36 Capillary Tube Price in India, Invar 36 Exhaust Tube, Alloy 36 Exhaust Tubing Suppliers in Mumbai, India

Invar 36 Tube Specification

Common Trade Names: Invar 36®, Nilo 6®, Pernifer 6®.

Invar 36 Tube is available the following size ranges.
Outside Diameter - 0.25mm (0.010") up to 16.00mm (0.625")
Wall - 0.05mm (0.002") up to 1.00mm (0.040")
Straight Lengths - 1.00mm (0.040") up to 5000.00mm (197")
Coils Lengths - 5 Metres to 15 Metres
Standard Tolerance- OD &ID +/-0.03mm (0.0012")
Wall +/- 10%
Tight Tolerance - OD&ID +/- 0.015mm (0.0006")
Wall +/-3%
Some Invar 36 thin wall tubes up to 25.40 mm (1.000") can be supplied.

Invar 36 steel‎ tubing other Brand Name Nickel Alloy 36 Tubing, Invar 36® Tubing and Nilo® 36 Tubing
Invar 36 Tube Standards ASTM F1684, ASTM F30
Invar 36 Seamless Tube Size 3.35 mm OD To 101.6 mm OD
Invar 36 Welded Tube Size 6.35 mm OD To 152 mm OD
Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Invar 36 tubing wall thickness 0.020" –0.220", (special wall thicknesses available)
Alloy 36 tube Length Single Random, Double Random, Standard & Cut length
Invar Alloy 36 Tube Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Invar 36 tube Form Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or ‘U’ bent Tubes, Hollow, LSAW Tubes Etc.
Invar 36 Tube Type Seamless, ERW, EFW, Welded, Fabricated
End Plain End, Beveled End, Treaded
Marking All Invar Alloy 36 tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Application Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger
Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
Specialize in Invar 36 Capillary Tube & Other Odd Size 
Invar 36 Heat Exchanger & Condenser Tubes
Test Certificate Manufacturer Test Certificate 
Laboratory Test Certificate from Govt. Approved Lab. 
Under Third Party Inspection
Manufacturers of Invar 36 Tubes & Tubing
  • Sumitomo Metals, Japan
  • Nippon Steel Corporation, Japan
  • Kobe Special Tube, Japan
  • Sanyo Special Steel, Japan
  • Tubacex Tubos Inoxidables S.A., Spain
  • Schoeller Bleckmann, Austria
  • Seah Steel Corporation, Korea
We can also cut, thread, and groove Invar 36 Tubes to meet your specifications

Exporter of Invar 36 High Pressure Tube, Invar 36 Mortar Tube Supplier, Invar 36 Welded Tube, Invar 36 Radiant Tube wholesaler in India, Invar 36 Furnace Tube Manufacturer in India, Invar 36 oil tubing, 36 Invar Alloy Seamless Tubes Manufacturer in India

We have our stockholders & dealers in India who maintain stock of high pressure Invar 36 tubing, Invar Alloy 36 Seamless Tubes, Invar Alloy 36 Round Tubes, Invar 36 Heat Exchanger Tubes and other types of Alloy 36 Polish Tubing in regular sizes. Our Distributor in India are in following locations: Mumbai, Delhi, Bangalore, Hyderabad, Surat, Pune, Nagpur, Indore, Ahmedabad, Chennai, Kolkata, Thane, Vadodara, Nashik, Bhopal, Visakhapatnam, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, Raipur, Mysore, Kochi (Cochin), Bhavnagar, Tirupur, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Ankleshwar, Assam and Siliguri. You can contact them directly for best price & exact delivery time for required size of Alloy 36 seamless tubing near you.

Types Out diameter Sizes Length
NB Sizes (in stock) .0035” ~ 8” 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1.25", 1.5", 2", 2.5", 3", 4", 5", 6" Cut to length
Invar 36 Seamless Tube (Custom Sizes) 6.35 mm OD To 101.6 mm OD  As per requirement Cut to length
Invar 36 Welded Tube (ERW Tube) (in Stock + Custom Sizes) 6.35 mm OD To 152 mm OD As per requirement Cut to length

Invar 36 Seamles Tubes Surface Finish

Surface Finish Internal Surface(ID) Exterbal Surface(OD)
Roughness Average(RA) Roughness Average(RA)
μ inch μm μ inch μm
AP Annealed & Pickled Not defined Not defined 40 or Not defined 1.0 or Not defined
BA Beight Annealed 40,32,25,20 1.0,0.8,0.6,0.5 32 0.8
MP Mechanical Polish 40,32,25,20 1.0,0.8,0.6,0.5 32 0.8
EP Electro Polish 15,10,7,5 0.38,0.25,0.20;0.13 32 0.8

Invar 36 Tube Stock

Invar 36 Coiled Tubing
Invar 36 Coiled Tubing
Invar 36 Capillary Tube
Invar 36 Capillary Tube
Invar 36 U Shaped tubing
Invar 36 ‘U’ Shaped tubing
Invar 36 Welded Tube supplier
Invar 36 Welded Tube supplier
Invar 36 seamless tubing
Invar 36 seamless tubing
Invar 36 Thin Wall tube
Invar 36 Thin Wall tube
Invar 36 Furnace Tube
Invar 36 Furnace Tube
Invar 36 Gas Tube
Invar 36 Gas Tube
Invar 36 Heat Exchanger Tubes
Invar 36 Heat Exchanger Tubes
Invar 36 boiler tube
Invar 36 boiler tube
Invar 36 welded tubing
Invar 36 welded tubing
Invar 36 Square Tube
Invar 36 Square Tube
Alloy 36 Square Tube (Radius Corners)
Alloy 36 Square Tube (Radius Corners)
Invar 36 Rectangle Tube
Invar 36 Rectangle Tube
Invar 36 tubing
Invar 36 tubing

Types of Invar 36 Seamless & Welded Tubes

Alloy 36 Seamless Tubes 36 Alloy Round Tube
Alloy 36 Welded Tubes Alloy 36 Seamless Tubing
Alloy 36 Coiled Tubing Invar Alloy 36 Capillary Tubing
Invar 36 Aerospace tubes Invar 36 High Pressure Tube
Invar 36 Sighting Tube Invar 36 Polish Tubes
Invar 36 Elliptical and Oval Tubes Invar 36 Rectangular Tube
Invar 36 Condenser Tubes Invar 36 Aero engine tubes

Alloy 36 straight tube boiler

Invar 36 furnace tube

Invar 36 tubing composition & technical information

Invar 36 Tube, Pipe & Tubing mechanical properties

Invar Specifications

ASTM F-1684

MIL 1-23011 CL 7

AMS 1-23011 CL 7

Iron-Nickel Alloys / Nickel-Iron Alloys Invar 36 Tube, Pipe & Tubing Equivalent Grades

Alloy DN-Trade Name WERKSTOFF NR. UNS-No. ASTM Specification DIN Specification
Ni 36* Dilaton 36 1.3912 K93603 ASTM F1684 DIN 17745 / SEW 385

Invar Alloy 36 Tube, Pipe & Tubing Chemical Composition

Grade C Mn P S Si Ni Cr Fe W Co
Invar 36 .15 max .60 max .006 max .004 max .40 max 36.0 nom .25 max Bal - .50 max

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Client Reference and Applications

Our Invar 36 Tube are suitable for Aerospace, Plant manufacturing, Machine engineering, Power generation and Nuclear Power Plant etc. We are supplying high quality Invar 36 Tube to our clients globally.

Aircraft Materials & Aerospace Materials Specialist

Invar 36 Tube stockist | Invar 36 Tube suppliers | Invar 36 Tube manufacturer in India | Invar 36 Tube Stock