Machine Use Square Steel Tube (Welded steel pipe)
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TEL:  +86 532 87202897
MOB: +86 135 89230826
FAX:  +86 532 87202897
ADD: 31 bozhou road, jiaozhou city, China
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Machine Use Square Steel Tube (Welded steel pipe)

Qingdao Wanrunda Imp and Exp Co.,ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc

Machine Use Square Steel Tube (Welded steel pipe)
Introduction of our Welded Steel Pipe/Tube
Product Description: ERW Welded Steel Pipe/Tube
Standard: GB/T3091-2008 Low-pressure fluid transportation
GB/T14291-2006 Mine fluid transportation
GB/T14980-1994 Large diameter Low-pressure fluid transportation
Dimension: OD21.5mm to OD508mm / 20X20-600X600mm / 20X30-400X600mm
Wall thickness: 0.8mm-26 mm
Length: Normal 6000mm, Range: 4-12meters, or as the request of customers
Tolorance of W.T: ±0.05mm to ±0.25mm
Material: Q235A/Q235B/Q345B/ASTM A36/ASTM A53/SS400/X42/X52
MOQ: Normal dimension 5MT, unnormal dimension should negotaite.
Application: GB/T3091-2008 Low-pressure fluid transportation, such as water , coal gas, air,
oil, hot water, steem etc. or other usage. Normal grade:Q235A
GB/T14291-2006 Mainly use for mine air compressor, water drain, gas drain etc.
Normal grade: Q235A,Q235B
GB/T14980-1994 durty wanter supply/sewage drain/gas, oil transportation etc
Payment term: 30% payment in advance by T/T
Delivery time: 7-20 days after receiving the deposits.

Welded Carbon Steel Tube/Pipe
* Standard:
GB/T 3091-2008, ASTM A53-2007, ASTM 500, BS1387 etc
* Grade: Q195/Q235A/Q235B/Q345B/ASTM A36/ASTM A53/SS400/X42/X52 etc
* OD: OD21.5mm to OD508mm / 20X20-600X600mm / 20X30-400X600mm
* WT: 0.8-26mm
* Length:
4 m-12m
* Ends Finish: Plain end, bevel end
* Surface Treatment: Bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating
* Technique: Hot rolled
or cold rolled , ERW or SAW welded steel tube
* Invoicing: Based on theoretical weight or actual weight
* Payment Terms: L/C at sight, T/T or Western Union
* Trade Terms: FOB/CFR/CIF
* Certification:

Welded steel pipe application:
For liquid transportation- water supply/water drain;
For gas transportation- sewerage gas/liquefied petroleum gas ;
For structure-As piling steel pipe/bridge structure/road structure etc.

Normal Product Dimensions:
Square ( GB/T6728-2002 , GB/T6725-2002 , JIS 3466 , EN10219 , ASTM A500 )
20*20*(1.2-2)mm 140*140*(4-10)mm
30*30*(1.5-3)mm 150*150*(4-10)mm
40*40*(1.5-4)mm 160*160*(4-10)mm
50*50*(1.5-4.5)mm 180*180*(4-12)mm
60*60*(2-5)mm 200*200*(4-14)mm
70*70*(2.5-5)mm 220*220*(5-14)mm
80*80*(2.5-6)mm 250*250*(5-14)mm
90*90*(3-7)mm 300*300*(6-14)mm
100*100*(4-8)mm 300*300*(6-14)mm
120*120*(4-8)mm 400*400*(8-14)mm
130*130*(4-10)mm 600*600*(10-40)mm
135*135*(4-10)mm 800*800*(10-46)mm

Rectangular ( GB/T6728-2002 GB/T6725-2002 )
30*20*(1.5-2.5)mm 150*100*(4-8)mm
40*20*(1.5-3)mm 160*80*(4-8)mm
40*25*(1.5-3)mm 180*100*(4-10)mm
40*30*(1.5-3)mm 200*120*(4-10)mm
50*25*(1.5-3)mm 200*150*(4-10)mm
50*30*(1.5-4)mm 220*140*(4-12)mm
60*30*(2-4)mm 250*150*(4-12)mm
60*40*(2-4)mm 250*150*(4-12)mm
70*50*(2-5)mm 300*200*(5-14)mm
80*40*(2-5)mm 350*250*(6-14)mm
80*60*(3-5)mm 400*200*(6-14)mm
90*50*(3-5)mm 400*250*(6-14)mm
100*50*(3-5)mm 400*300*(8-14)mm
120*60*(3-6)mm 450*250*(8-14)mm
120*80*(3-6)mm 500*300*(8-14)mm
140*80*(4-7)mm 600*400*(12-36)mm

QINGDAO WANRUNDA IMP AND EXP CO.,LTD is a special and experienced steel supplier and exporter, can manufacture according to ASTM,JIS,DIN,API standard. We have exported to Australia, Doha, Sri Lanka, India, Turkey, Kyrgyzstan, Russia, Canada, Poland, Middle east countries and African countries, We got very good reputation from all our cooperative clients;
We mainly manufacture and sale various kinds of steel pipe, include Welded pipe/Galvanized steel pipe/Pre-Galvanized steel pipe/Square and Rectangular hollow section/Furniture pipe/Warmhouse booth pipe/stainless steel pipe etc ; Steel coil include Pre-Galvanized steel coil and stainless steel coil; Steel profile include Angle steel/Channel steel/Steel checkered plate/Square steel/C-channel steel etc. We also deal with assorted products, such as Flange/Steel hinge/Plastic pipe plug and cap etc.



Contact Us

TEL:  +86 532 87202897
MOB: +86 135 89230826
FAX:  +86 532 87202897
No.31 Bozhou Road, Jiaozhou,Qingdao,China

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