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UNS S21900 Tubes
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We could produce UNS S21900 tubes,S21900 tubes,UNS S21900 tubings,UNS S21900 seamless tubes,UNS S21900 U Bend Tubes,UNS S21900 U-tube,UNS S21900 welded tubes,S21900 boiler tubes, UNS S21900 heat exchanger tubes,UNS S21900 Capillary tubes,UNS S21900 Thermocouple tubes,UNS S21900 Superheater tubes and reheater tubes,S21900 condenser tube,UNS S21900 finned tubes,UNS S21900 furnace tubes,UNS S21900 instrumentation tubes,UNS S21900 Evaporator tubes,UNS S21900 honed tubes, UNS S21900 coiled tubes,UNS S21900 Precision tubes,UNS S21900 High pressure tubes,UNS S21900 hydraulic tubes from china

The outer diameter of UNS S21900 tubes that we could do is from 0.4MM to 850MM,The thickness of UNS S21900 tubes that we could do is from 0.12MM to 100MM

As per surface finish of UNS S21900 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 S21900 seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of UNS S21900 tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of UNS S21900 tubes, our raw material has been melted by  EAF+VOD-ESR methods

UNS S21900 is a high-manganese stainless steel with high strength and excellent resistance to corrosion at high temperatures.


The chemical composition of S21900 seamless tubes and weled tubes is as follows

Chemistry

Chemical Requirements

Nickel

Chrominium

Manganese

Carbon

Silcon

Nitrogen

Sulfur

Max

7.50

21.50

10.0

0.08

1.00

0.40

0.030

Min

5.50

19.00

8.0

0.15


The mechanical propery of UNS S21900 seamless tubes and weled tubes is as follows

Mechanical Property Requirements

Ultimate Tensile, min.

Yield Strength (0.2% OS) min.

Elong. in 2 in., or 50mm, min., %

R/A

Hardness, max.

Min

655 MPa

330 MPa

35

Max

100 Rockwell B


We have following inspection equipment for our S21900 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 S21900 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 S21900 seamless tubes and weled tubes are widely used in many industries like,automotive, railroad, wind energy, construction equipment, mining machinery, medical equipment, aerospace, defense, general machinery etc


We could supply Third party inspection certificate for UNS S21900 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 S21900 seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except UNS S21900 tubes,we also could produce UNS S21900 flanges,UNS S21900 plates,UNS S21900 fastener,UNS S21900 bolts,UNS S21900 fittings,UNS S21900 pipes,UNS S21900 bars,UNS S21900 springs