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<title><![CDATA[EC21 Product Catalogs - square size]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/square_size--2842/1/square size.html]]></link><item>
<title><![CDATA[Seamless Steel Pipes]]></title><link><![CDATA[https://xinhengtai.en.ec21.com/Seamless_Steel_Pipes--12033532_12033753.html]]></link><description><![CDATA[square steel pipe
Material
Q195, Q235A-B, Q345A-E, 20#, 10#,16Mn, ASTM A36, ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH ect.
Wall Thickness
0.5 to 25mm
Length
5 to 12m or as the]]></description><pubDate><![CDATA[20251227]]></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[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[sizes of steel
tubes.
♥ Our factory
have 10 production lines for Cold
Rolled Black Square Steel Pipes to ensure prompt delivery.
♥ The capacity
of black steel pipes more than 20000 tons per month]]></description><pubDate><![CDATA[20250111]]></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[square tubing has good strength and load-bearing capacity.
3. Precise size: The galvanized steel square tubing size is precise, ensuring stability and accuracy during installation.
4. Multi-purpose: ]]></description><pubDate><![CDATA[20240918]]></pubDate></item>
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<title><![CDATA[LSAw Steel Pipe]]></title><link><![CDATA[https://js123.en.ec21.com/LSAw_Steel_Pipe--11923516_11923518.html]]></link><description><![CDATA[Product ltem: LSAw steel pipe
Size : OD:406-1422.40mm WT:1.65-40mm, Length: 6mtr-20mtrStandard &amp; Grade :APl 5L PSL1./PSL2.GR.B,X42,X45,X50,XGO,x60,×65,x70,X80
Ends:Square Ends/Plain Ends (straight c]]></description><pubDate><![CDATA[20240704]]></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[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 A513 Type 5 DOM ERW Mechanical Steel Tubing]]></title><link><![CDATA[https://botop123456.en.ec21.com/ASTM_A513_Type_5_DOM--11935079_11938047.html]]></link><description><![CDATA[(1a or 1b), Type2, Type3, Type4, Type5, Type6.
Grade: MT 1010, MT 1015,1006, 1008, 1009 etc.
Heat treatment: NA, SRA, N.
Size and wall thickness
Hollow section shape: Round, square, or other shapes
]]></description><pubDate><![CDATA[20240516]]></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[square meters, and the total invests reaches 200 million US dollars. Every year we produce stainless steel pipe more than 15000-20000 tons.
Zhejiang Dowell has imported eleven assembly lines about ad]]></description><pubDate><![CDATA[20200513]]></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 Asme SA213 T5 T11 T12 T22]]></title><link><![CDATA[https://tubetrade.en.ec21.com/Astm_Asme_SA213_T5_T11--2454234_3336656.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[20180418]]></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[LSAW Hollow Sections/Big Size Pipes in One Weld]]></title><link><![CDATA[https://tiffanyjianhesteel.en.ec21.com/LSAW_Hollow_Sections_Big_Size--10292317_10292320.html]]></link><description><![CDATA[Sizes we can produce: 
50x50mm-1000x1000mm for square hollow sections 
Thickness: 3mm-50mm 
50x30mm-1000x800mm for rectangular hollow sections 
Thickness: 3mm-50mm 
42.4mm-1524mm for circular hollow ]]></description><pubDate><![CDATA[20170206]]></pubDate></item>
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<title><![CDATA[Explosion Cladding Metal Material Q345R+SS30408]]></title><link><![CDATA[https://janus2019.en.ec21.com/Explosion_Cladding_Metal_Material_Q345R--11013043_11043956.html]]></link><description><![CDATA[Square shape, round shape, rectangular
shape
Copper/Aluminum clad plate
Upon customer’s request
Aluminum/steel clad plate
Aluminum/stainless steel clad plate
Cladding material:
304, 304L, 316L, 316]]></description><pubDate><![CDATA[20230814]]></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[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[Honed Cylinder Tubes SAE 1020 or ST52.3, Tolerance H8 or H9]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Honed_Cylinder_Tubes_SAE_1020--11537181_11537189.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[20221015]]></pubDate></item>
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<title><![CDATA[Prefab Agricultural Buildings]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Prefab_Agricultural_Buildings--11653940_11653942.html]]></link><description><![CDATA[square tube and C section steel purlin as the skeleton of the product so there are certain limitations in the span and height of the single. But it also has the following advantages:
In factory desig]]></description><pubDate><![CDATA[20221011]]></pubDate></item>
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<title><![CDATA[Factory Directly Supply Hot Rolled Welded Galvanized Drip Irrigation Pipe with Low Price]]></title><link><![CDATA[https://alan3218.en.ec21.com/Factory_Directly_Supply_Hot_Rolled--10961535_10962134.html]]></link><description><![CDATA[Square and Rectangular section), Hot dip galvanized pipe(HDG Pipe),ERW Pipe and tube, widely used for fluid/oil/gas transportation, structure building, greenhouse, scaffold, Agriculture Equipment; et]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[Triangle Tube]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Triangle_Tube--10972930_10972942.html]]></link><description><![CDATA[Square Steel Pipe
, Carbon Steel Pipe Cap
, bend Pipe
PRODUCT
API 5L LSAW CARBON WELDED STEEL PIPE
DIAMETER
457MM - 1422MM
THICKNESS
8MM - 50MM
LENGTH
5.8M - 12.3M
STANDARD
API 5L, API 2B, ASTM 53, A]]></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[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, Round, Rectangular, Square Tube]]></description><pubDate><![CDATA[20211013]]></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[API 5L ASTM 106 Q235 Q345 Carbon Welded LSAW Steel Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/API_5L_ASTM_106_Q235--11032076_11103706.html]]></link><description><![CDATA[Square ends ,beveled ends 
Surface Bare,Lightly Oiling,Black/Red/YellowPainting,Zinc/Anti-corrosive Coating 
Test Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield ]]></description><pubDate><![CDATA[20200414]]></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 section steel pipe. Pipe production process is simple, high production efficiency, variety specifications, less equipment, but the general strength is lower than seamless square tube.
Size
15*]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[BS 1139 Scaffolding Tube]]></title><link><![CDATA[https://threewaysteel.en.ec21.com/BS_1139_Scaffolding_Tube--4978487_6001135.html]]></link><description><![CDATA[Square cut, Burr removed 
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black 
Packing: Plastic plugs in both ends, Wrapped in waterproof paper or PVC sleeve, and sackcloth with sev]]></description><pubDate><![CDATA[20111115]]></pubDate></item>
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<title><![CDATA[Astm A519 SAE4130 Cold Drawn Seamless Tube]]></title><link><![CDATA[https://greatwallsteel9.en.ec21.com/Astm_A519_SAE4130_Cold_Drawn--11575970_11790867.html]]></link><description><![CDATA[square cuts or bevelled ends.
GradeChemical CompositionMechanical Properties　CMnPSSiCrMoDelivery
ConditionTensil Strength Yield StrengthElongation　%Mpa minMpa min% min10200.18–0.23 0.30–0.60 ]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[Hot Rolled Black Steel Pipe]]></title><link><![CDATA[https://tiptop0704.en.ec21.com/Hot_Rolled_Black_Steel_Pipe--11835340_11836465.html]]></link><description><![CDATA[Square Outer Diameter: 20*20mm - 500x500mm
Rectangular Outer Diameter: 20*40mm-400x500mm
Round Outer diameter: 20mm - 357mm
Thickness: 1.2mm - 20mm
Length: as requested ( normal 5.8M,6M,11.8M)
Standa]]></description><pubDate><![CDATA[20230822]]></pubDate></item>
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<title><![CDATA[Products]]></title><link><![CDATA[https://txhmachine.en.ec21.com/Products--11854146_11875612.html]]></link><description><![CDATA[square pipe manufacturing machine, square tube manufacturing machine
s can manufacture pipes of various sizes, shapes, and thicknesses, offering flexibility in terms of customization. 
Quality: SS pi]]></description><pubDate><![CDATA[20231214]]></pubDate></item>

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