Square tubes is a form of tube type, people have a different name
on it, called the rectangular tubes, rectangular tubes, square
tubes, welded square tube, because it has a lot of kinds of
material of material can make the tube body, usually square tube is
formed after unpacking, kaiping, bending strip welding pipe, again
by the mechanism of rolling into a square tube.Galvanized square
steel pipe, rectangular steel pipe, steel hollow section, divided
according to the shape of the section, is a name for square pipe
and rectangular pipe. It is made of strip steel that has been
processed and rolled. Generally, the strip is unpacked, flattened,
coiled, welded to form a round tube, and then rolled into a square
tube from the round tube and then cut to the required length.
Square rectangular tube is also called cold-formed hollow section
steel, referred to as square tube and rectangular tube.Product
NameGalvanized Round/Square/Rectangular Steel
PipeOD15-800mm,customized Wall
Thickness0.6mm-15mm,customized Pipe Length6-12m, or
customized Material10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345,
Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35,ectZinc
CoatingZ35-Z275g/m2StandardASTM A53,BS 1387,BS 1139,BS EN10025, BS
4568,GB/T3091-2001,GB/T13793-92, GB/T6728- 2002,API 5L,JIS
G3444Pipe EndPlain end,beveled,protected by plastic caps on both
ends, cut quare,grooved,threaded and coupling,etc.Surface
Treatment1) Bared 2) Black Painted (varnish coating) 3)
Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion
resistant coating 6) Anti-rust oil or customized
FormRound, Square, Rectangle, Oval, Coil, Flexible Pipe, Shaft,'U'
Shape, etcInspectionWith Hydraulic Testing, Eddy Current , Infrared
TestApplicationFence, greenhouse, door pipe,greenhouse,Low pressure
liquid, water, gas, oil, line pipe,For both indoor and outdoor
the building construction,Widely used in scaffolding
construction which is much cheaper and convenient.Packaging1.
Bundled with narrow steel strips; 2.wrapped with waterproof
colth; 3.According to customers' requirement. PortShanghai,
Qingdao, TianjinPaymentL/C, T/T, D/P, According to customers'
requirement.Our Advantage1.Reasonable price with excellent
quality. 2.Abundant stock and prompt delivery. 3.Rich
supply and export experience, sincere service. Square and
Rectangular Steel Pipe Surface:1) Natural Black;3) Color painted on
natural black steel pipe;5) 3PE coated on natural black steel
pipe;7) Pre galvanized zinc coating 30g/m2 or customized(30g/m2 -
100g/m2);2) Oiled with pvc wrapped;4) Color painted on Galvanized
steel pipe;6) 3PE coated on Galvanized steel pipe;8) Hot dip
galvanized zinc coating 200g/m2 or customized(200g/m2 -
500g/m2) Square and Rectangular Steel Pipe size chartSquare
Hollow SectionRectangular Hollow SectionThickness20*20 25*25
30*3020*40 30*401.2-3.040*40 50*5030*50 25*50 30*60
40*601.2-4.7560*6050*70 40*801.2-5.7570*70 80*80 75*75 90*90
100*10060*80 50*80 100*40 120*801.5-5.75120*120 140*140
150*150160*80 100*150 140*80 100*180 200*1002.5-10.0160*160 180*180
200*200200*150 250*1503.5-12.0250*250 300*300 400*200 350*350
350*300250*200 300*200 350*200 350*250 450*250 400*300
500*2004.5-15.75400*400 280*280 450*300 450*200400*350 400*250
500*250 500*300 400*6005.0-20.0 1. Where your
company located?Shanghai Century DongRui Steel Co., Ltd is located
at Shanghai, China, which is one of China biggest commercial
city and leading economic and trading and industry center with
reputation, even to the world.2. Is there any sea ports and
airport nearby?As you may know that our company is in Shanghai,
which is near Shanghai Port and nearby Ningbo Port. The cargo
can be quickly transport to both sea ports on board in two or three
hours, then shipped worldwide. Also, Shanghai had two
airports, Shanghai Hongqiao International Airport and Shanghai
Pudong International Airport) with many international air
lines offered by airline companies. 3. Is your
company a trading company or manufacturer?Definitely, Shanghai
Century DongRui Steel Co., Ltd, is a professional material
manufacturer in China. Shanghai Century DongRui Steel Co., Ltd had
done domestic and international business for decades. Our factories
and workshop and warehouse is in Wuxi, Jiangsu Province, China. If
fine, we would like to invite all clients to visit our company and
factories.4. Which type of business inquiry will be quick
respond?Shanghai Century DongRui Steel Co., Ltd had recruited
well-educated and experiences staffs to provide the professional
quotation and business plan promptly. Sometimes, we would like to
double confirm with clients to make sure that the raw materials
products client asked is in line with those we can
offer.5. Does your company apply customized products?Yes,
Shanghai Century DongRui Steel Co., Ltd had R&D Department,
which can design and execute the business requests from the
clients, customized products can be acceptable. Also, Shanghai
Century DongRui Steel Co., Ltd can develop new products
Related products about Square/Rectangular/Shs/Rhs/Steel Hollow Section/Cold-Rolled Square Tube ASTM A544 Black Square Hollow Steel Tubes
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