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<title><![CDATA[EC21 Product Catalogs - square pipe]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/square_pipe--2842/1/square pipe.html]]></link><item>
<title><![CDATA[Square Steel Pipe]]></title><link><![CDATA[https://xinhengtai.en.ec21.com/Square_Steel_Pipe--12033532_12033755.html]]></link><description><![CDATA[Product Name
Square pipe / Rectangular pipe
Material
201, 304, 316, 309, 410, 430, ASTM A53, ASTM A106 ASTM A210, ASTM A283, ST33, ST37-2, ST52, DIN1626, DIN1629, STPY41, G3452, G3457, S235, S355, Q1]]></description><pubDate><![CDATA[20251227]]></pubDate></item>
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<title><![CDATA[Black Galvanized Steel Pipe Tube Square Rectangular Hollow Section]]></title><link><![CDATA[https://tbarsteel.en.ec21.com/Black_Galvanized_Steel_Pipe_Tube--10826657_10826723.html]]></link><description><![CDATA[Tangshan Ruicheng Jushi Trading Co., Ltd(RCJS STEEL) is a private-owned company, established in 2019, Tangshan City, Hebei Province, China. Ruicheng Jushi steel focuses on metal &amp; steel domestic dist]]></description><pubDate><![CDATA[20250215]]></pubDate></item>
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<title><![CDATA[Wholesale OEM 10*10mm Cold Rolled Black Square Steel Pipe Supplier]]></title><link><![CDATA[https://ropregal.en.ec21.com/Wholesale_OEM_10_10mm_Cold--12036094_12036157.html]]></link><description><![CDATA[Square Steel Pipes to ensure prompt delivery.
♥ The capacity
of black steel pipes more than 20000 tons per month.
♥ We have own
professional inspection team to ensure the quality , and accept any]]></description><pubDate><![CDATA[20250111]]></pubDate></item>
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<title><![CDATA[Square Pipe]]></title><link><![CDATA[https://solidsteelfitting.en.ec21.com/Square_Pipe--10745075_10745117.html]]></link><description><![CDATA[Specification:
Standard: API, ASTM, BS, DIN, GB, JIS, API 5DP, ASTM A199, ASTM A513-2007, BS EN10296, DIN 1629/3, DIN 28180-2007, GB 5130, GB/T8162, JIS G3459-2004, JIS G3462-2004
Thickness: 13 - 20 ]]></description><pubDate><![CDATA[20240912]]></pubDate></item>
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<title><![CDATA[Steel Tube Rectangular Square Pipe AH BH Material Grade Certificate]]></title><link><![CDATA[https://zhurangroup.en.ec21.com/Steel_Tube_Rectangular_Square_Pipe--11974146_11976616.html]]></link><description><![CDATA[]]></description><pubDate><![CDATA[20240729]]></pubDate></item>
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<title><![CDATA[Carbon Steel Pipe Galvanized Rectangular Steel Pipe Rectangular Square Tube Price]]></title><link><![CDATA[https://lindasteel2023.en.ec21.com/Carbon_Steel_Pipe_Galvanized_Rectangular--11781776_11790019.html]]></link><description><![CDATA[Carbon Steel Pipe Galvanized Rectangular Steel Pipe Rectangular Square Tube Price
We supply the round , square and special shape welded steel pipes . The material ,size are optional according to cust]]></description><pubDate><![CDATA[20240618]]></pubDate></item>
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<title><![CDATA[Ss 304 Square Pipe]]></title><link><![CDATA[https://huntersteels.en.ec21.com/Ss_304_Square_Pipe--11825467_11936707.html]]></link><description><![CDATA[https://www.huntersteels.com/products/astm-a554-ss304-316l-201-square-pipe.html
SS 304 Square Pipe
SS 304 Square Pipe
is an excellent choice for most fabrication techniques as well as indoor and outd]]></description><pubDate><![CDATA[20240514]]></pubDate></item>
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<title><![CDATA[Hot Rolled Square, Rectangular, Round, SSAW/LSAW/ERW Welded Seamless Steel Pipe]]></title><link><![CDATA[https://hhhh888.en.ec21.com/Hot_Rolled_Square_Rectangular_Round--11924947_11929897.html]]></link><description><![CDATA[Basic Info.UsagePipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction &amp; Decoration, Special PurposeSect]]></description><pubDate><![CDATA[20240426]]></pubDate></item>
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<title><![CDATA[Square Galvanized Steel Pipe   Galvanized Steel Pipe      Galvanized Steel Greenhouse Steel Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/Square_Galvanized_Steel_Pipe_Galvanized--10987620_10987650.html]]></link><description><![CDATA[Square Galvanized Steel Pipe Galvanized Steel Pipe
Galvanized Steel Greenhouse Steel Pipe
Hot-dip Galvanized square steel pipe
is made of steel plate or steel strip after curling molding of the squar]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[ERW Q235 Square Steel Pipe]]></title><link><![CDATA[https://wendaozhe.en.ec21.com/ERW_Q235_Square_Steel_Pipe--9876148_9884316.html]]></link><description><![CDATA[Thickness: 1.2mm-4.0mm 
Diameter: 20mm*20mm-200mm*200mm 
Length: 5.8m, 6m or on the request of clients 
Material: Q235, Q235B, SS400, ASTM A36, ASTM A106, S235, S355, etc; 
Pipe section: Square 
Tech]]></description><pubDate><![CDATA[20161011]]></pubDate></item>
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<title><![CDATA[Factory Mass Customization Production of Full Specification Square Steel Pipe]]></title><link><![CDATA[https://yuantaisteel.en.ec21.com/Factory_Mass_Customization_Production_of--11636199_11636241.html]]></link><description><![CDATA[方钢管和矩形钢管规格表
外径毫米
重量
外径毫米
重量毫米
外径毫米
重量毫米
外径毫米
重量毫米
20*20
1.3
60*120 80*100 90*90
1.50
180*180
3
300*800 400*700 550*55]]></description><pubDate><![CDATA[20220913]]></pubDate></item>
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<title><![CDATA[Square Pipe]]></title><link><![CDATA[https://mdw0306.en.ec21.com/Square_Pipe--3674852_3675302.html]]></link><description><![CDATA[we supply any size of high quality square pipe with reasonable price. 
material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 etc
thickness: 0.1mm-20mm
diameter: 10mm-800mm
length: 6000mm-12000mm
Founded]]></description><pubDate><![CDATA[20171124]]></pubDate></item>
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<title><![CDATA[ASTM Hot Rolled Stainless Steel Square Tube Pipe]]></title><link><![CDATA[https://susan121.en.ec21.com/ASTM_Hot_Rolled_Stainless_Steel--11601847_11601848.html]]></link><description><![CDATA[High temperature oxidation resistance and high strength, so it can resist fire.
The steel strip is hard, corrosion-resistant and anti-oxidation, and can be used for a long time.
It can keep the surfa]]></description><pubDate><![CDATA[20220713]]></pubDate></item>
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<title><![CDATA[Pre-galvanized Square and Rectangular Pipe]]></title><link><![CDATA[https://eaststeel.en.ec21.com/Pre_galvanized_Square_and_Rectangular--3832766_3833200.html]]></link><description><![CDATA[size:15mmX15mm--120mmX80mm thickness:1.0mm--10.0mm Length:1.5m-8m Quality certificate:ISO9001 Purpose:fence tube,structural tube,furniture tube Main market:USA,Australia,Europe,etc. Min quantity orde]]></description><pubDate><![CDATA[20100923]]></pubDate></item>
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<title><![CDATA[2mm Steel Tube 7 Inch Single Wall Stainless Steel Square Tubing 10mm  Stainless Rectangule Pipe]]></title><link><![CDATA[https://harper123.en.ec21.com/2mm_Steel_Tube_7_Inch--11643632_11664045.html]]></link><description><![CDATA[Standard:JIS, ASTM, AISI, DIN, EN, GBPlace of Origin:Guangdong, ChinaBrand Name:ZSBModel Number:316 304 310S, 301L, 301, 310S,Type:SeamlessSteel Grade:200 /300/400 /600 /900 Series, 301L, S30815, 301]]></description><pubDate><![CDATA[20230315]]></pubDate></item>
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<title><![CDATA[SSAW Steel Pipe]]></title><link><![CDATA[https://supersteel123.en.ec21.com/SSAW_Steel_Pipe--12045493_12045500.html]]></link><description><![CDATA[Square ends / Plain ends /Beveled / Threaded ends
Surface treatment: Black painting / Oil painting / Anti-rust oil / Anti-corrosive coating
Application: Oil and gas pipeline, water transmission, liqu]]></description><pubDate><![CDATA[20250227]]></pubDate></item>
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<title><![CDATA[Carbon Steel Square Tube]]></title><link><![CDATA[https://18222310105.en.ec21.com/Carbon_Steel_Square_Tube--12034887_12034888.html]]></link><description><![CDATA[Diverse Range of Applications: This square tube is suitable for various applications, including structure pipe, with options for different materials such as Q195, Q235, S235JR, and Q345, ensuring ver]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Seamless Galvanized Steel Pipes and Fittings]]></title><link><![CDATA[https://yulantechnology14.en.ec21.com/Seamless_Galvanized_Steel_Pipes_and--12008703_12008704.html]]></link><description><![CDATA[square pipe is 15-20um, having good rust protection. Galvanized steel pipes have excellent corrosion resistance and mechanical properties. Manufacturer supply, focus on quality, support customization]]></description><pubDate><![CDATA[20240923]]></pubDate></item>
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<title><![CDATA[Galvanized Square Tube]]></title><link><![CDATA[https://hongyuansteelpipe.en.ec21.com/Galvanized_Square_Tube--12006202_12006203.html]]></link><description><![CDATA[Galvanized square tubes offer exceptional corrosion resistance, making them ideal for tough environments. Industrial steel pipes
provide a range of benefits including low maintenance, extended life, ]]></description><pubDate><![CDATA[20240918]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe]]></title><link><![CDATA[https://js123.en.ec21.com/Seamless_Steel_Pipe--11923516_11923517.html]]></link><description><![CDATA[Product ltem: seamless steel pipe
standard &amp; Grade :ASTM A1O6,Grade A/B/C
Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut),Beveled/Threaded Ends
Coating: 3PE Coating;3PP Coating;FBE Coa]]></description><pubDate><![CDATA[20240723]]></pubDate></item>
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<title><![CDATA[EN10219 S275JRH Structural ERW Steel Pipe]]></title><link><![CDATA[https://botopsteelpipe.en.ec21.com/EN10219_S275JRH_Structural_ERW_Steel--11051178_11051190.html]]></link><description><![CDATA[EN10219 S275JRH Structural ERW Steel Pipe
Standard: EN10219
This specification covers non-alloy steel pipe
(cold formed welded structural hollow sections of circular, square or rectangular forms and ]]></description><pubDate><![CDATA[20240605]]></pubDate></item>
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<title><![CDATA[ASTM A53 Gr.A &amp;Gr. B Carbon ERW Steel Pipe for High Temperature]]></title><link><![CDATA[https://1438963.en.ec21.com/ASTM_A53_Gr.A_Gr._B--11933303_11941426.html]]></link><description><![CDATA[pipes, such as circular, rectangular and square cross-section pipes. The ERW pipe manufacturing method has the advantages of high efficiency, low cost and short production cycle, so it is widely used]]></description><pubDate><![CDATA[20240523]]></pubDate></item>
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<title><![CDATA[Rhs Hollow Section Rectangular Zinc Coating Gi Iron]]></title><link><![CDATA[https://sdhj888.en.ec21.com/Rhs_Hollow_Section_Rectangular_Zinc--11922780_11924894.html]]></link><description><![CDATA[oduct name ASTM A106 AISI 1020 ASTM 1045 ST52 Q355B Q345B 16Mn Q390 ST52-3 Carbon Steel Seamless Square Tube Thick Carbon Steel Rectangular PipeStandrad ASTM A 500 Specification for Cold-Formed Welde]]></description><pubDate><![CDATA[20240415]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe]]></title><link><![CDATA[https://mao123456.en.ec21.com/Seamless_Steel_Pipe--11923208_11924152.html]]></link><description><![CDATA[ASTM A519 Seamless steel pipe
standard &amp; Grade :ASTM A519 Seamless steel pipe 1020,1025,4130,4140
Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut),Beveled/Threaded Ends
Packing:Bundle o]]></description><pubDate><![CDATA[20240412]]></pubDate></item>
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<title><![CDATA[Steel Pipe]]></title><link><![CDATA[https://sigridsun.en.ec21.com/Steel_Pipe--11834079_11869747.html]]></link><description><![CDATA[pipes including round&amp;square&amp;rectangular erw pipes, pre-galvanized and hot-dipped galvanized ones, seamless pipes as well as stainless pipes with official certification. Our annual exporting amount c]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[Spiral Welded Steel Pipe Mill]]></title><link><![CDATA[https://shanxisxmidas.en.ec21.com/Spiral_Welded_Steel_Pipe_Mill--10780767_10781113.html]]></link><description><![CDATA[square ends (straight cut, saw cut, and torch cut). or beveled ends
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Co]]></description><pubDate><![CDATA[20201216]]></pubDate></item>
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<title><![CDATA[High Frequency Welded Finned Pipe of Punching Type]]></title><link><![CDATA[https://jysuling1.en.ec21.com/High_Frequency_Welded_Finned_Pipe--11600429_11812599.html]]></link><description><![CDATA[square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of helical welded tubes. The desiccants are put into the each package for continental transpo]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[LSAW Steel Pipes,Black LSAW Steel Pipes,Black LSAW Steel Pipes Q235B,Welded,LSAW Steel Pipes Q235B]]></title><link><![CDATA[https://senhaisteelpipe.en.ec21.com/LSAW_Steel_Pipes_Black_LSAW--10842427_10842449.html]]></link><description><![CDATA[pipes, offshore platform, power station, petrochemical and civil construction, etc. 
Outer Diameter: 219mm-1820mm (8’~70’’)
Wall Thickness: 5.0mm-50mm
Length: 5.8mtr-18mtr
End: square ends (str]]></description><pubDate><![CDATA[20191205]]></pubDate></item>
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<title><![CDATA[ASTM A500 150X200galvanized Perforated Square Hollow Structural Steel Tube]]></title><link><![CDATA[https://alan3218.en.ec21.com/ASTM_A500_150X200galvanized_Perforated_Square--10961535_10962144.html]]></link><description><![CDATA[Product DescriptionDetailed ImagesPacking &amp; DeliverySHANDONG DELI STEEL PIPE MANUFACTURING FACTORYWe manufacture the main products of Pre-galvanized Pipe (include Round, Square and Rectangular sectio]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[Galvanized Steel Pipe]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Galvanized_Steel_Pipe--10972930_10972949.html]]></link><description><![CDATA[pipes together, avoid any gaps between the two pipes. While welding, take measures to ensure the continual alignment of the two pipes.
More information you can views here
We also provide Square Steel]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
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<title><![CDATA[ST35 Seamless Precision Steel Tubes]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/ST35_Seamless_Precision_Steel_Tubes--11456488_11458394.html]]></link><description><![CDATA[Pipe, Clad Pipe, Rectangular, Square Pipe Etc
ST35 DIN 2391 Carbon Steel Type
Welded, Seamless, ERW, EFW, Fabricated Pipe, ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, R]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[Q235 Q235B Carbon Hot Dipped Galvanizing ERW Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/Q235_Q235B_Carbon_Hot_Dipped--11032076_11105044.html]]></link><description><![CDATA[Pipe type Welded steel pipe(round/square/rectangular)
Packing &amp; delivery:
Packaging Details
1.Bundling with steel strip. 
2. Galvanized and packing with plastic wrap. 
3. In bulk or containers.
4. Pa]]></description><pubDate><![CDATA[20200415]]></pubDate></item>
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<title><![CDATA[Products]]></title><link><![CDATA[https://txhmachine.en.ec21.com/Products--11854146_11875612.html]]></link><description><![CDATA[pipe production lines are essential for meeting the demand for high-quality steel pipes in various industries.
ADVANTAGES OF USING STEEL PIPE MACHINES
Increased precision: Steel square pipe machines ]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[304L Stainless Steel Welded Pipe]]></title><link><![CDATA[https://yesi882000.en.ec21.com/304L_Stainless_Steel_Welded_Pipe--862894_932708.html]]></link><description><![CDATA[pipes for industrial use. It is only 30 minutes from Shanghai city to our factory. It covers about 46640 square meters, and the total invests reaches 200 million US dollars. Every year we produce sta]]></description><pubDate><![CDATA[20200513]]></pubDate></item>
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<title><![CDATA[4&quot; SCH 40 ASTM A106 Seamless Carbon Steel Tube]]></title><link><![CDATA[https://huaxipipe.en.ec21.com/4_SCH_40_ASTM_A106--11560540_11665433.html]]></link><description><![CDATA[Treatment: Varnished, Galvanized etc. Pipe Ends: Square cut or bevelledPackage: Suitable packing according to the size of the pipes.Usage:Construction,steel structual engineering,piling etc .
]]></description><pubDate><![CDATA[20221029]]></pubDate></item>
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<title><![CDATA[Stainless Steel Pipe Astm A312/213 A269  A511]]></title><link><![CDATA[https://libowei111.en.ec21.com/Stainless_Steel_Pipe_Astm_A312--2048109_2272360.html]]></link><description><![CDATA[Pipe Supplier Manufacturer
2. Product specification: OD 2 - 1600mm x WT0.8 - 60 mm Square &amp; rectangular.
3. Executive standard: Astm A312m, Astm A269, Astm A213, Astm A790, Astm A789, Astm A815, ANsi]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[ASTM A335 Alloy-Steel Pipe for High-Temperature Service]]></title><link><![CDATA[https://tubetrade.en.ec21.com/ASTM_A335_Alloy_Steel_Pipe--2454234_3336739.html]]></link><description><![CDATA[Square, Rectangle, Hexagon. Streamline, etc;
8) Relevant Test: Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Te]]></description><pubDate><![CDATA[20131029]]></pubDate></item>
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<title><![CDATA[Chrome Plated OD Tube |Chrome Plated Hollow Bar Used for Hydraulic Piston Shafts]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Chrome_Plated_OD_Tube_Chrome--11537183_11538050.html]]></link><description><![CDATA[square meters and a building area of 30,000 square meters, of which the production plant area is 25,000 square meters. We produce cold drawn seamless tubes, honed tubes / honed steel tubing, hydrauli]]></description><pubDate><![CDATA[20220228]]></pubDate></item>
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<title><![CDATA[Steel Hollow Section]]></title><link><![CDATA[https://seagull003.en.ec21.com/Steel_Hollow_Section--7503074_7503244.html]]></link><description><![CDATA[ERW hollow section tube Square pipe 10*10 -- 400*400mm Rectangular pipe 8.7*9.5mm -- 300*5100mm thikcness 1mm -- 12mm Length As custmer required BE Bended Surface Black/Bright/Galvanized OD tolerance]]></description><pubDate><![CDATA[20130107]]></pubDate></item>
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<title><![CDATA[Oilfield Tubular Casing Tubing Coupling API 5CT for OCTG Drill Pipe]]></title><link><![CDATA[https://helen202368.en.ec21.com/Oilfield_Tubular_Casing_Tubing_Coupling--11824687_11825668.html]]></link><description><![CDATA[pipe and fitting ,the company has 158 staff,of which 31 senior technicians.Covering an are of 98,000 square meters,the company is equipped with an advanced
specialize petroleum pipe manfuacturing lin]]></description><pubDate><![CDATA[20230727]]></pubDate></item>
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<title><![CDATA[Stainless Steel Pipe ASME 20mm 30mm 60mm SCH10 SCH40 SCH80 Stainless Steel Tube]]></title><link><![CDATA[https://lcxinhongye.en.ec21.com/Stainless_Steel_Pipe_ASME_20mm--11542986_11605510.html]]></link><description><![CDATA[pipe / tubeSizeWall thickness1.24 - 59.54 mm (SCH5S-XXS)Outer diameter10.3 - 1219mm (1/8&quot;- 48&quot;)Stainless steel square / rectangular pipe / tubeSizeWall thickness1mm-150mm(SCH10-XXS)Outer diameter4mm*]]></description><pubDate><![CDATA[20220719]]></pubDate></item>
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<title><![CDATA[Steel Pipe]]></title><link><![CDATA[https://shineyondmetals.en.ec21.com/Steel_Pipe--11874509_11874508.html]]></link><description><![CDATA[pipes and spiral welded pipes. Because of their end shapes, they are divided into round welded pipes and special-shaped (square, flat, etc.) welded pipes.
If you want to know more information about s]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[Square Tube]]></title><link><![CDATA[https://firststeel.en.ec21.com/Square_Tube--6735751_6735752.html]]></link><description><![CDATA[Our square tube materials are A36, SS400, Q195, Q235, Q345, SPHC, 08AL, 08F, HG5, DF08 etc. 
Standards: GB, ASTM, BS, AISI, DIN, JIC, OST, API
Size: 15*15*0.5-500*500*15mm 
Other steel grade can be p]]></description><pubDate><![CDATA[20150923]]></pubDate></item>
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<title><![CDATA[Black Steel Pipe (ASTM A53/A53M-07, ASTM A500/A500M-07, JIS G3444:2004, JIS G3466:2006, AS1163-2009)]]></title><link><![CDATA[https://hoasensteel.en.ec21.com/Black_Steel_Pipe_ASTM_A53--8573173_8573154.html]]></link><description><![CDATA[pipes: &amp;Oslash;21 &amp;divide; &amp;Oslash;114mm
- Square steel pipes: 14mm x 14mm &amp;divide; 75mm x 75mm
- Rectangular steel pipes: 16mm x 16mm &amp;divide; 50mm x 100mm
Tension
G350, G450
Application
CIVIL &amp; IND]]></description><pubDate><![CDATA[20131028]]></pubDate></item>

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