UNS N09908 Tubes
Home > Products > Tubes

We could produce UNS N09908 tubes,UNS NO9908 tubes,UNS N09908 tubings,UNS N09908 seamless tubes,UNS N09908 U Bend Tubes,UNS N09908 U-tube,UNS N09908 welded tubes,UNS NO9908 boiler tubes, UNS N09908 heat exchanger tubes,UNS N09908 Capillary tubes,UNS N09908 Thermocouple tubes,UNS N09908 Superheater tubes and reheater tubes,UNS NO9908 condenser tube,UNS N09908 finned tubes,UNS N09908 furnace tubes,UNS N09908 instrumentation tubes,UNS N09908 Evaporator tubes,UNS N09908 honed tubes, UNS N09908 coiled tubes,UNS N09908 Precision tubes,UNS N09908 High pressure tubes,UNS N09908 hydraulic tubes from china

The outer diameter of UNS N09908 tubes that we could do is from 0.4MM to 850MM,The thickness of UNS N09908 tubes that we could do is from 0.12MM to 100MM

As per surface finish of UNS N09908 seamless tubes and welded tubes, we could do 180G, 320G Satin / Hairline(Matt Finish, Brush, Dull Finish),PICKLING surface finish as per the requirement of the clients

We could produce UNS N09908 seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of UNS N09908 tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of UNS N09908 tubes, our raw material has been melted by  EAF+VOD-ESR methods

UNS N09908  is a nickel-iron alloy that has high tensile strength, fatigue crack growth resistance, good weldability, metallurgical stability and ductility, high fracture and impact toughness, low coefficient of thermal expansion, and resistance to oxygen embrittlement, which allows hot fabrication without cracking.

The chemical composition of UNS NO9908 seamless tubes and weled tubes is as follows


Content (%)

Nickel, Ni

47 - 51

Iron, Fe

35.588 - 44.6

Chromium, Cr

3.75 - 4.5

Niobium, Nb (Columbium, Cb)

2.7 - 3.3

Titanium, Ti

1.2 - 1.8

Manganese, Mn


Aluminum, Al

0.75 - 1.25

Cobalt, Co


Copper, Cu


Silicon, Si


Carbon, C


Phosphorous, P


Boron, B


Sulfur, S

The mechanical propery of UNS N09908 seamless tubes and weled tubes is as follows



Tensile strength

171 KSI

Yield strength

121 MPa

Elongation at break


We have following inspection equipment for our UNS NO9908 tubes:Ultrasonic Inspection Lines,Eddy Current Inspection Line,Hydraulic Test Equipment,OBLF Direct Reading Spectrometer,Metallurgical Microscope,Spectrophotometer,Electronic Balance,Impact Testing Machine,Impact Specimen Projector,Universal Testing Machine,Carbon-Sulfur Analyzer,INNOV Portable Alloy Analyzer,Rockwell Hardness Tester,Intergranular Corrosion Testing Machine,Endoscope

We have following production equipment for our UNS N09908 seamless tube and weled tubes:Peeling lines,Piercing lines,Cold drawing lines,Cold rolling lines,Straightening machine,Annealing furnace,Pickling pool

All our Minonic 90 Tubes will be wrapped in shrink foil, pipe ends protected with foil or plastic caps, reinforced frame construction made of wood, both front-sides closed, frame construction secured with steel strapping as per the requirement of the clients

Our UNS N09908 seamless tubes and weled tubes are widely used in many industries like,high pressure pumps,Centrifugal pumps,power generators and nitrogen generators,Food Processing equipment and storage.Columns & Towers,Tanks ,Silos,Process Modules,Preheaters,Hydrogenators,Offshore and onshore industry, such as subsea and deepwater offshore oil production systems, industrial air compressors

We could supply Third party inspection certificate for UNS N09908 seamless tubes and weled tubes  such as TUV, SGS, LR, MOODY, ITS, DNV,BV,Lloyd's Reg. of Shipping ,GL,API as per the requirement of the clients.

Please send us the size of UNS N09908 seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except UNS N09908 tubes,we also could produce UNS N09908 flanges,UNS N09908 plates,UNS N09908 fastener,UNS N09908 bolts,UNS N09908 fittings,UNS N09908 pipes,UNS N09908 bars,UNS N09908 springs