We could produce UNS N19903 tubes,N19903 tubes,UNS N19903 tubings,UNS N19903 seamless tubes,UNS N19903 U Bend Tubes,UNS N19903 U-tube,UNS N19903 welded tubes,N19903 boiler tubes, UNS N19903 heat exchanger tubes,UNS N19903 Capillary tubes,UNS N19903 Thermocouple tubes,UNS N19903 Superheater tubes and reheater tubes,N19903 condenser tube,UNS N19903 finned tubes,UNS N19903 furnace tubes,UNS N19903 instrumentation tubes,UNS N19903 Evaporator tubes,UNS N19903 honed tubes, UNS N19903 coiled tubes,UNS N19903 Precision tubes,UNS N19903 High pressure tubes,UNS N19903 hydraulic tubes from china

The outer diameter of UNS N19903 tubes that we could do is from 0.4MM to 850MM,The thickness of UNS N19903 tubes that we could do is from 0.12MM to 100MM

As per surface finish of UNS N19903 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 N19903 seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of UNS N19903 tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of UNS N19903 tubes, our raw material has been melted by  EAF+VOD-ESR methods

UNS N19903 A nickel-iron-cobalt alloy with additions of niobium, titanium, and aluminum for precipitation hardening. The alloy combines high strength with a low and constant coefficient of thermal expansion at temperatures to about 800°F (430°C)

The chemical composition of N19903 seamless tubes and weled tubes is as follows

Table 1 - Limiting Composition, wt %

Nickel..........................................................................36.0-40.0

Cobalt..........................................................................13.0-17.0

Aluminum....................................................................0.30-1.15

Titanium.......................................................................1.00-1.85

Niobium.......................................................................2.40-3.50

Iron...............................................................................Balance*

The mechanical propery of UNS N19903 seamless tubes and weled tubes is as follows

Properties	Metric
Tensile  strength (precipitation hardened)	191 KSI
Yield  strength (@ strain 0.200 %, precipitation hardened)	161KSI
Elastic  modulus (@ 0°C/32°F)	146.8 GPa
Poisson's  ratio (@ 250°C/482°F)	0.226
Elongation  at break (precipitation hardened)	14%

We have following inspection equipment for our N19903 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 N19903 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 N19903 seamless tubes and weled tubes are widely used in many industries like,Condensers, Rotary Vacuum Dryers,Flavor Processing ,Equipment,Slurry Tanks.Surge Tanks,Boilers & Boiler ancillary equipments.Heat Exchanger & Coils,Continuous Steam Sterilizer.Conveyor Dryer,Gass liquied Fermenters.Static Mixer.Twin Sharft Dispersers,crystalizer equipment,Wellhead and Christmas tree. power transmission, turbine,gas compressor,gear boxes and so on

We could supply Third party inspection certificate for UNS N19903 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 N19903 seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except UNS N19903 tubes,we also could produce UNS N19903 flanges,UNS N19903 plates,UNS N19903 fastener,UNS N19903 bolts,UNS N19903 fittings,UNS N19903 pipes,UNS N19903 bars,UNS N19903 springs