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25.4 X 2.11mm TP347/321H Seamless U Bend Tube For Petroleum Refining

Material: 321,321H, 1.4541; 347/347H,1.4550,1.4961;

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25.4 X 2.11mm TP347/321H Seamless U Bend Tube For Petroleum Refining,

25.4 X 2.11mm TP347/321H Seamless U Bend Tube For Petroleum Refining


Heat Exchanger Tube Process :


1 . We use Cold Drawn technology to produce U bend tube

2 . U bend tubes produce will accordance to customer's drawings

3 . To avoid oxidation , inert gas (Argon) is passed through tubes ID at the required flow rate

4 . The radius is checked for its OD and wall thinning with the recommended specification

5 . We'll choose three different position or as customer's require to make sure tubes quality . We'll do physical properties and micro-structure test

6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test

7 . Each tube is then hydro tested at the recommended pressure to check for leakage


 

Grade


TP304 ; TP304H ; TP304L ; TP316 ; TP316L ; TP 321 ; TP321H ; TP317L ; TP310S ; TP347H



Standard


ASTM A213 , ASTM A 269 , ASTM A789 , etc
Size


Routine OD : 19.05mm,25.4mm,31.8mm,38.1mm




WT : 1.2-2.77mm


Length


According to customer needs up to 20m
Advantage


Superior surface finish

Better mechanical property

More precise dimension ;

Perfect inspection method and inspection equipment


Application

Boiler tube applies to petroleum , chemical industry , electric power , boiler , high temperature resistant , low temperature resistant , corrosion resistant . The size can be made according to the customers requirements . High pressure boiler pipe applies to container , petrochemical and so on . Note : Generally , high pressure boiler pipe’s working pressure above 9.88Mpa and working temperature between 450 to 650 .


Package


Plywood case


 


VIP SERVICE

VR (Virtual) Mill Introduction

Professional Remote Technical Guidanceion

Accept Third-party Inspection

Door to Door Shipment

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