We could produce UNS S21800 tubes,S21800 tubes,UNS S21800 tubings,UNS S21800 seamless tubes,UNS S21800 U Bend Tubes,UNS S21800 U-tube,UNS S21800 welded tubes,S21800 boiler tubes, UNS S21800 heat exchanger tubes,UNS S21800 Capillary tubes,UNS S21800 Thermocouple tubes,UNS S21800 Superheater tubes and reheater tubes,S21800 condenser tube,UNS S21800 finned tubes,UNS S21800 furnace tubes,UNS S21800 instrumentation tubes,UNS S21800 Evaporator tubes,UNS S21800 honed tubes, UNS S21800 coiled tubes,UNS S21800 Precision tubes,UNS S21800 High pressure tubes,UNS S21800 hydraulic tubes from china

The outer diameter of UNS S21800 tubes that we could do is from 0.4MM to 850MM,The thickness of UNS S21800 tubes that we could do is from 0.12MM to 100MM

As per surface finish of UNS S21800 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 S21800 seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of UNS S21800 tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of UNS S21800 tubes, our raw material has been melted by  EAF+VOD-ESR methods

UNS S21800 is a nitrogen strengthened austenitic stainless steel, with outstanding strength and resistance to wear and galling.

The chemical composition of S21800 seamless tubes and weled tubes is as follows

Chemical Composition Limits
Weight%	Ni	Cr	Mn	Si	N	Mo	C
UNS S21800	8-9	16-18	7-9	3.5-4.5	0.08-0.018	0.75 max	0.10 max

The mechanical propery of UNS S21800 seamless tubes and weled tubes is as follows

Alloy	Condition	Ultimate Tensile Strength (ksi)	Yield Strength (0.2%) ksi	Elongation in 4D (%)	Reduction of Area %	Hardness HB
UNS S21800	Solution  Treated	105	55	35	55	170-255

We have following inspection equipment for our S21800 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 S21800 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 S21800 seamless tubes and weled tubes are widely used in many industries like,Heat shields,Combustion and chimney liners,Valves,Piping,Distillation columns,Bubble caps,Reaction vessels Heat exchangers,Furnace,Gas turbine engine duct work,Equipment used to produce acid and so on

We could supply Third party inspection certificate for UNS S21800 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 S21800 seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except UNS S21800 tubes,we also could produce UNS S21800 flanges,UNS S21800 plates,UNS S21800 fastener,UNS S21800 bolts,UNS S21800 fittings,UNS S21800 pipes,UNS S21800 bars,UNS S21800 springs