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347H Tubes
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We could produce 347H tubes,347 H tubes,347H tubings,347H seamless tubes,347H U Bend Tubes,347H U-tube,347H welded tubes,347 H boiler tubes, 347H heat exchanger tubes,347H Capillary tubes,347H Thermocouple tubes,347H Superheater tubes and reheater tubes,347 H condenser tube,347H finned tubes,347H furnace tubes,347H instrumentation tubes,347H Evaporator tubes,347H honed tubes, 347H coiled tubes,347H Precision tubes,347H High pressure tubes,347H hydraulic tubes from china

The outer diameter of 347H tubes that we could do is from 0.4MM to 850MM,The thickness of 347H tubes that we could do is from 0.12MM to 100MM

As per surface finish of 347H 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 347H seamless tubes and weled tubes as per the standard of ASTM B729 and ASTM B464

As per heat treatment of 347H tubes, we could do solution treatment, ageing treatment as per the requirement of the clients

As per material of 347H tubes, our raw material has been melted by  EAF+VOD-ESR methods

347H has slightly imposed corrosion resistance over 321 stainless steel in strongly oxidizing environments and is preferable for aqueous and low temperature environments due to its good resistance to inter granular attack


The chemical composition of 347 H seamless tubes and weled tubes is as follows

Element

Content (%)

Fe

62.83 - 73.64

Cr

17 - 20

Ni

9 - 13

Mn

2

Si

1

Nb (, Cb)

0.320 - 1

C

0.04 - 0.10

P

0.040

S

0.030


The mechanical propery of 347H seamless tubes and weled tubes is as follows

Properties

Metric

Imperial

Tensile strength, ultimate

480 MPa

69600 psi

Tensile strength, yield

205 MPa

29700 psi

Poisson’s ratio

0.27 – 0.30

0.27 – 0.30

Elongation at break

29%

29%

Hardness, Brinell

187

187


In order to control the quality of 347H tubes,We could do Corrosion Test,Chemical Analysis,Mechanical Testing,Reverse-bend and Re. flat tests,Eddy Current Testing,Hydrostatic Testing,Air Under Pressure Test,Visual Inspection,IGC Testing,O.P Testing,Micro Testing,Ultrasonic testing.Radiography Testing,Liquid Penetrate testing as per the requirement of the clients

As per the packing for 347H tubes, all our 347H seamless tubes and weled tubes will be Bundled with knitted plastic bag, wooden cases or according to customers' request.

Our 347H seamless tubes and weled tubes are widely used in many industries like,Aerospace .Computer industries .Automotive industries .Electric and electronic industries ,Medical, hydraulic and pneumatic industries ,High-end hardware product industries and so on


We could supply Third party inspection certificate for 347H 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 347H seamless tubes and weled tubes that you need, we are glad to quote the best price for our clients.

Except 347H tubes,we also could produce 347H flanges,347H plates,347H fasteners,347H bolts,347H pipe fittings,347H pipes,347H bars,347H springs