We could produce UNS N08031 tubes,UNS NO8031 tubes,UNS N08031 tubings,UNS N08031 seamless tubes,UNS N08031 U Bend Tubes,UNS N08031 U-tube,UNS N08031 welded tubes,UNS NO8031 boiler tubes, UNS N08031 heat exchanger tubes,UNS N08031 Capillary tubes,UNS N08031 Thermocouple tubes,UNS N08031 Superheater tubes and reheater tubes,UNS NO8031 condenser tube,UNS N08031 finned tubes,UNS N08031 furnace tubes,UNS N08031 instrumentation tubes,UNS N08031 Evaporator tubes,UNS N08031 honed tubes, UNS N08031 coiled tubes,UNS N08031 Precision tubes,UNS N08031 High pressure tubes,UNS N08031 hydraulic tubes from china

The outer diameter of UNS N08031 tubes that we could do is from 0.4MM to 850MM,The thickness of UNS N08031 tubes that we could do is from 0.12MM to 100MM

As per surface finish of UNS N08031 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 N08031 seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of UNS N08031 tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of UNS N08031 tubes, our raw material has been melted by  EAF+VOD-ESR methods

UNS N08031  is an iron-nickel-chromium-molybdenum alloy with :nitrogen addition.  

The chemical composition of UNS NO8031 seamless tubes and weled tubes is as follows

	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	N
Specification	≦ 0.015	≦ 0.3	≦ 2.0	≦ 0.020	≦ 0.010	30.0-  32.0	26.0-  28.0	6.0-  7.0	1.0-  1.4	0.15-  0.25

The mechanical propery of UNS N08031 seamless tubes and weled tubes is as follows

Mechanical Properties

Temper	Annealed
Tensile Rm	650	N/MM2 (min)
R.p. 0.2%  Yield	280	N/MM2 (min)
Elongation (2.02 or 4D gl)	40	% (min)

We have following inspection equipment for our UNS NO8031 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 N08031 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 N08031 seamless tubes and weled tubes are widely used in many industries like,chemical processing, pollution control, pulp and paper production, and treatment of industrial and municipal waste,gas turbines, rocket motors, spacecraft, nuclear reactors, pumps, and tooling and so on

We could supply Third party inspection certificate for UNS N08031 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 N08031 seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except UNS N08031 tubes,we also could produce UNS N08031 flanges,UNS N08031 plates,UNS N08031 fastener,UNS N08031 bolts,UNS N08031 fittings,UNS N08031 pipes,UNS N08031 bars,UNS N08031 springs