Activated Carbon can be used for city drinking water advanced purification, removal of residual chlorine, odor; also advanced purification materials of high pure water, mineral water production process; large-scale boiler feed water to the removal of COD and other harmful impurifies, can improve the efficiency of the boiler and prolong the service life of the boiler; effective remval of COD in water, pigment, odor and other toxic substances. Large Granular Activated Carbon can fill the filter and purify the air.
Activated carbon in this classification can be divided into Activated Carbon For Water Treatment. Activated Carbon For Air Purification. Activated Carbon For Filters. Activated Carbon For Desulfurization.
Activated Carbon Activated Carbon,Granular Activated Carbon,Powder Activated Carbon,Pellet Activated Carbon NINGXIA SINOTOPSKY INTERNATIONAL TRADING CO.,LTD. , http://www.nxsinotopsky.com
 Information of Square pipe
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Product name
Q235 Hot-dipped galvanized steel pipe /construction pipe /pipe manufacturer
O.D
10*10-1000*1000mm
W.T
0.8-30mm
length
1-12m or according to per request
Steel Grade
IS 3589, IS 1239, IS:1161 Fe 330, Fe 410)
BS 1387, BS4568, S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH,Â
S355J2H, St12, St13, St14, St33, St37, St44, ST52
JISÂ G3444Â STK290,STK400,STK500,STK490,STK540
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materialQ195-Grade B, SS330, SPC, S185,ST37
Q215-Grade C,CS Type B, SS330, SPHC
Q235---Grade D, SS400, S235JR, S235JO, S235J2
Q345---SS500, ST52
10#,20#,45#, etc
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Surface treatment1)Oiled
2) Galvanized
3)3PE Anti-corruption coated
4)Painting black
5)According to the customers' requirement
Zinc coating
40g,60g,80g,100g,120g,270g,400g,500g,550g
7μm ,8μm, 15μm ,20μm ,40μm ,60μm,70μm,80μm
 application
1)Construction steel pipe shipbuilding, bridging and automobile chassis
2)Steel structure.decoration etc
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Package1)Big OD: in bulk
2) Small OD: packed by steel strips
3)Plastic bags
4)According to customer's requirements
Delivery
Normally 7~15 days after get deposits or according to quantity
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Advantage1) reasonable price with excellent quality
2)abundant stock and prompt delivery
3)rich supply and export experience, sincere service
Technique
1)Electronic Resistance Welded (ERW )
2)Electronic Fusion Welded (EFW)
3)Double Submerged Arc Welded (DSAW)
Marking
Tubes are distinguished by colour at two ends. .Light tube-Brown,
 Medium tube-Blue, Heavy tube-Red
Welded Line Type
Longitudinal
Test Certificate
Manufacturer Test Certificate.
IBR Test Certificate
Laboratory Test Certificate from Govt. Approved Lab.
Under Third Party Inspection with Excise Gate Pass to avail Modvat benefit.
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Inspection
With Hydraulic Testing, Eddy Current , Infrared Test
Payment
T/T, L/C at sight ,LC 30days LC 90days and etc.
 Specifications :  Â
Square Steel Tube
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Size
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WT
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Size
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WT
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Size
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WT
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Size
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WT
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14*14
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0.8*2.5
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20*20
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0.8-3.5
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32*32
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1.2-4.0
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60*60
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1.5-4.0
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15*15
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0.8-2.5
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22*22
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0.8-3.5
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38*38
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1.2-4.0
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70*70
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1.5-4.0
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16*16
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0.8-3.5
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25*25
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0.8-3.5
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40*40
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1.2-4.0
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80*80
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1.5-4.0
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18*18
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0.8-3.5
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25.4*25.4
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0.8-3.5
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45*45
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1.2-4.0
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100*100
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2.0-4.0
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19*19
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0.8-3.5
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30*30
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1.0-4.0
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50*50
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1.5-4.0
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Any questions ,don't hesitate ,pls contact meÂ
  Contact person ;lindaÂ
  Phone : 0086-18522787080
Mild Carbon Steel Pipe Square Tube