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UNS S21900 Pipes
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We could produce UNS S21900 pipes,S21900 pipes,UNS S21900 seamless pipes,UNS S21900 welded pipes,UNS S21900 boiler pipes, UNS S21900 heat exchanger pipes,UNS S21900 Capillary pipes,S21900 Thermocouple pipes,UNS S21900 Superheater pipes and reheater pipes,UNS S21900 condenser pipe,UNS S21900 finned pipes,S21900 furnace pipes,UNS S21900 instrumentation pipes,UNS S21900 Evaporator pipes,UNS S21900 honed pipes,S21900 coiled pipes,UNS S21900 Precision pipes,UNS S21900 High pressure pipes,UNS S21900 hydraulic pipes from china

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

We could meet size tolerance for UNS S21900 Pipes is as follows:OD : + ± 0.5% of specified diameter based on circumferential measurement. Thick : Minimum thickness at any point not more than 0.3 mm under nominal thi,Out of Roundness : difference between maximum and minimum OD 1% ,Straightness : 3 mm in 3 mtrs

Length : As per customer specification

As per surface finish of S21900 pipes, we could do pickled and polish into bright surface as per the requirement of the clients, also for bright surface of UNS S21900 pipes, we could meet 2D finish.No. 4 Finish,No. 6 Finish,No. 7 Finish as per the requirement of the clients

UNS S21900 is a high maganese nitrogen strengthened, austenitic stainless steel


The chemical composition of UNS S21900 pipes is as follows

Chemistry

Element

Min

Max

Carbon

--

0.03

Manganese

8.00

10.0

Silicon

--

1.00

Sulfur

--

0.03

Nickel

5.50

7.50

Chromium

19.0

21.5

Nitrogen

0.15

0.40

Phosphorus

--

0.04


The mechanical propery of S21900 seamless pipes is as follows

Alloy

Cross Section Size

Test Direction

Yield Strength 0.2%

Ultimate Tensile Strength

Elongation in 2"(%)

Reduction of Area %

Rockwell B Hardness

ksi

ksi

Nitronic 40

6" (152mm) sq

Longitudinal

62

95

46

69


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

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

We produce UNS S21900 seamless pipes and weled pipes as per the standard of ASTM B729 and ASTM B464

We will do Destructive testing for our every piece of UNS S21900 seamless pipes and weled pipes:such as tensile tests (including hot tensile testing),impact tests (up to -196 degrees Celsius),bend tests,hardness tests,intercrystalline corrosion test in accordance with ASTM A262 practice E,pitting corrosion test in accordance with ASTM G48A,metallurgical tests (metal analysis, macro & micro examination)

We ALso do Non-destructive testing for our every piece of UNS S21900 seamless pipes and weled pipes:such as eddy current testing,ultrasonic testing,hydro testing,x-ray testing (radiographic & radioscopic),positive material indentification testing

Our UNS S21900 pipes are packed wooden crates lined with wax craft paper, tri-wall clay-coated reinforced cases

Our UNS S21900 seamless pipe and weled pipes are widely used in many industry :heat exchanger, boiler and pressure vessel manufacturing, pump & valve construction,steam & gas turbines, hydro power applications,petrochemical industries as well as oil and gas industries and so on


Our UNS S21900 seamless pipe and weled pipes could be by Third party approvals,such as American Bureau of Shipping,Bureau Veritas,Det Norske Veritas,Germanischer Lloyd,Lloyd's Register,PED and so on

Please send us the size and quantity of UNS S21900 pipes that you need, we are glad to quote the best price for your side

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