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<title><![CDATA[EC21 Product Catalogs - welding rolls]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/welding_rolls--2842/1/welding rolls.html]]></link><item>
<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[Welding/Bending/FabricationPipe EndsPlain Ends, Bevelled EndsProctorPlastic CapBrand NameAli-SteelSpecification TypeTP304 316 312 310Inspectionwith Hydraulic Testing, Ultrasonic TesDimension21mm to 3]]></description><pubDate><![CDATA[20240426]]></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[welding processes are then used to join the edges together and seal the pipe.
Continuous welding
In a continuous welding operation, welding rollers press the edges of the pipe into each other—formi]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipes]]></title><link><![CDATA[https://xinhengtai.en.ec21.com/Seamless_Steel_Pipes--12033532_12033753.html]]></link><description><![CDATA[rolled, cold drawn, cold rolled
Item
hollow sections galvanized square steel pipe
Material
Q195, Q235A-B, Q345A-E, 20#, 10#,16Mn, ASTM A36, ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S]]></description><pubDate><![CDATA[20251227]]></pubDate></item>
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<title><![CDATA[EN10219 Cold Formed Welded Structural Tubes S355j0 S355jr S355j2]]></title><link><![CDATA[https://jnxjysteel.en.ec21.com/EN10219_Cold_Formed_Welded_Structural--12043642_12043645.html]]></link><description><![CDATA[weldability.Cold formed welded structural tubes are produced by cold forming steel into the desired shape and then welding the seams. Compared to hot-rolled tubes, cold-formed tubes are processed at ]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[Wholesale 2 Inch Hot Rolled Galvanized Steel Pipes Quotes]]></title><link><![CDATA[https://ropregal.en.ec21.com/Wholesale_2_Inch_Hot_Rolled--12036094_12036161.html]]></link><description><![CDATA[Welding,
Punching, Cutting, Bending, Decoiling 
Product
name 
Hot
Rolled Seamless Pipes 
Material 
ASTM/AISI/SGCC/CGCC/TDC51DZM/TDC52DTS350GD/TS550GD/DX51D+Z
Q195-q345 
MOQ 
1
Ton 
Usage 
Oil
Gas Sew]]></description><pubDate><![CDATA[20250111]]></pubDate></item>
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<title><![CDATA[Seamless Carbon Steel Pipe]]></title><link><![CDATA[https://zhseamlesspipe.en.ec21.com/Seamless_Carbon_Steel_Pipe--11988939_11988946.html]]></link><description><![CDATA[rolling without adding welding materials. The inner and outer surfaces are smooth, the dimensions are precise, and they can meet the requirements of high strength, high pressure, high temperature, an]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
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<title><![CDATA[SSAW Spiral Welded Steel Pipe]]></title><link><![CDATA[https://botopsteelpipe.en.ec21.com/SSAW_Spiral_Welded_Steel_Pipe--11051179_11051194.html]]></link><description><![CDATA[Welded Steel Pipe API 5L X52 PSL1/PSL2 is made of hot rolled steel coils, which is extruded under normal atmospheric temperature and welded by a double wire double sided submerged arc welding process]]></description><pubDate><![CDATA[20240605]]></pubDate></item>
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<title><![CDATA[Spiral Submerged-arc Welded Pipe or SSAW STEEL PIPE]]></title><link><![CDATA[https://1438963.en.ec21.com/Spiral_Submerged_arc_Welded_Pipe--11933303_11935590.html]]></link><description><![CDATA[SSAW stands for Spiral Submerged Arc Welded, which is a steel pipe manufactured through a spiral welding process. SSAW steel pipes are typically made from hot-rolled steel sheets that are then rolled]]></description><pubDate><![CDATA[20240513]]></pubDate></item>
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<title><![CDATA[Scaffolding Pipe]]></title><link><![CDATA[https://tianchuangpipe.en.ec21.com/Scaffolding_Pipe--11666079_11666094.html]]></link><description><![CDATA[rolled steel. In special cases where live overhead cables are dangerous, fibreglass tubes wound in nylon or polyester substrates may be used. Scaffolding is exposed to the outside of the building, so]]></description><pubDate><![CDATA[20221031]]></pubDate></item>
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<title><![CDATA[AISI 1018 Steel Tube]]></title><link><![CDATA[https://vivian6789.en.ec21.com/AISI_1018_Steel_Tube--11844657_11846180.html]]></link><description><![CDATA[rolling and heating processes. All these processes develop a supreme quality product that are suited to fabrication processes such as welding, forging, drilling, machining, cold drawing and heat trea]]></description><pubDate><![CDATA[20230920]]></pubDate></item>
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<title><![CDATA[Hot Rolled Semless Steel Tube GOST 8732-78]]></title><link><![CDATA[https://tefu888.en.ec21.com/Hot_Rolled_Semless_Steel_Tube--11750485_11750487.html]]></link><description><![CDATA[Hot Rolled Semless Steel Tube GOST 8732-78 
Seamless steel pipe is a steel pipe perforated from a whole round steel without welds on the surface. According to different purposes, there are thick-wall]]></description><pubDate><![CDATA[20230317]]></pubDate></item>
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<title><![CDATA[Square Tube Manufacturer]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Square_Tube_Manufacturer--10972930_10972947.html]]></link><description><![CDATA[Welding(ERW)
High Frequency Welding (HFW)
Material Quality
Steel Grade
Q195 similar to a283 GR.B, 040a10, ss330, sphcQ235 similar to a283 GR.D, 080a15, CS type BQ345 similar to a737 GR.B, SS400, S235]]></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[Rolled Steel Tube are accepted in industries with high precision requirements, as opposed to their regular seamless counterparts, which are mostly applied without precision specifications. However, t]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[High Quality API 5L GR.B Carbon Spiral Welded SSAW Steel Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/High_Quality_API_5L_GR.B--11032076_11103794.html]]></link><description><![CDATA[rolling a low carbon carbon structural steel or a low alloy structural steel strip into a tube blank at a certain angle of a helix (called a forming angle), and then welding the pipe seam, which can ]]></description><pubDate><![CDATA[20200414]]></pubDate></item>
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<title><![CDATA[Black Carbon Welded Steel Pipe  ERW Steel Pipe  Welded Furniture Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/Black_Carbon_Welded_Steel_Pipe--10987616_10987624.html]]></link><description><![CDATA[Rolling to shape
5.Spot welding
6.Forming
7.Colibrating
8.End facing
9.Polishing
10.Hydro test
11.X-ray testing
12.Pickling
13.Inspection marking and put in storage
Credit
Hot sale various high quali]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[AISI 439 Stainless Steel Seamless Round Tubes Cold Rolled SS  Seamless Tube  2&quot; SCH XXS]]></title><link><![CDATA[https://daisy1823.en.ec21.com/AISI_439_Stainless_Steel_Seamless--11839306_11858001.html]]></link><description><![CDATA[weldability have been improved. Compared with 304 steel, although the elongation is low (about 30%), the strength and corrosion resistance are comparable, and the corrosion resistance is better than ]]></description><pubDate><![CDATA[20231024]]></pubDate></item>
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<title><![CDATA[625 Nickel Alloy Nichrome Inconel Seamless Tube]]></title><link><![CDATA[https://greatwallsteel9.en.ec21.com/625_Nickel_Alloy_Nichrome_Inconel--11575970_11790854.html]]></link><description><![CDATA[6000mm, 12000mm
Application: Construction, Pressure vessel, shipping building, steel structural, furniture
Processing Service: Bending, Welding, Decoiling, Cutting, Punching
]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
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<title><![CDATA[Chrome Plated Hollow Bar ST 52.3, CK45, SAE 4140 for Piston Rods]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Chrome_Plated_Hollow_Bar_ST--11537183_11538756.html]]></link><description><![CDATA[welding 
Packing
Our chrome plated tubes usually are supplied in packing method as below:
Standard plastic sleeves or Cardboard tubes (depending on the diameter size) packed in bundles. The tubes are]]></description><pubDate><![CDATA[20220302]]></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[rolled (extruded) seamless steel pipes and cold-rolled seamless steel pipes.
Welded steel pipe
The blanks used in welded steel pipes are steel plates or strips. Due to their different welding process]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[Alloy Steel Pipe 34CrMo4 Seamless Steel Pipe]]></title><link><![CDATA[https://reynzhang364.en.ec21.com/Alloy_Steel_Pipe_34CrMo4_Seamless--11812684_11874481.html]]></link><description><![CDATA[Rolled/Cold rolled
Tolerance 
±1%
Processing Service 
Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled 
Non-oiled
Delivery Time 
15--20 workdays
Secondary Or Not 
Non-secondary
Surf]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[40Cr Alloy Seamless Steel Pipe]]></title><link><![CDATA[https://haihuisteel.en.ec21.com/40Cr_Alloy_Seamless_Steel_Pipe--11814565_11879630.html]]></link><description><![CDATA[weldability is poor, should be preheated before welding, and is generally used in the state of quenching and tempering.
1. Incoming Raw Material Inspection2. Raw Material Segregation to avoid steel g]]></description><pubDate><![CDATA[20231225]]></pubDate></item>
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<title><![CDATA[3pe Anti-corrosion Steel Pipe Production Line]]></title><link><![CDATA[https://txhmachine.en.ec21.com/3pe_Anti_corrosion_Steel_Pipe--11854146_11875614.html]]></link><description><![CDATA[welding process between the vertical leg and the beam, and the use of double beam design, greatly improving the stability and durability of the equipment.
Steel pipe external shot blasting screw tran]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[API 5CT Seamless Steel Tubing Pipe with NU / EU/ NEW VAM Connection]]></title><link><![CDATA[https://senwell2008.en.ec21.com/API_5CT_Seamless_Steel_Tubing--9714769_9715093.html]]></link><description><![CDATA[rolled tubes
Tube sizes(mm)
Tolerances(mm)
Tolerances(mm)
＜114.3
&amp;plusmn;0.79
-12.5%
&amp;ge;114.3
-0.5%, +1%
Mechanical properties:
Standard
Models of steel tubes
Tensile strength (MPa)
Yield strength]]></description><pubDate><![CDATA[20170304]]></pubDate></item>
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<title><![CDATA[Welded S235JO Round Steel Pipe]]></title><link><![CDATA[https://wendaozhe.en.ec21.com/Welded_S235JO_Round_Steel_Pipe--9876148_9887572.html]]></link><description><![CDATA[Rolled Steel Material; 
Standard: GB, ASTM, DIN, JIS, AISI, BS; 
Steel Type: Carbon Structural Steel 
Forming: Hot Rolled Steel; 
Connection Form: Welded Connection; 
Trade term: FOB, CFR, CIF. 
Paym]]></description><pubDate><![CDATA[20160817]]></pubDate></item>
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<title><![CDATA[BS 1387 Hot Dip Galvanized/Galvanised Welded Steel Pipe/Tube]]></title><link><![CDATA[https://cnsolid.en.ec21.com/BS_1387_Hot_Dip_Galvanized--10642629_10642641.html]]></link><description><![CDATA[BS 1387 Hot dip galvanized/galvanised welded steel pipe/tube
Product Description
Specifications:
direct channel allows depth.
Hot rolled, hot extruded steel tube, the diameter is less than or equal t]]></description><pubDate><![CDATA[20180528]]></pubDate></item>
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<title><![CDATA[Chinese Factory Hot Rolled Steel Round Pipe for Scaffolding]]></title><link><![CDATA[https://hgbindustrial.en.ec21.com/Chinese_Factory_Hot_Rolled_Steel--10989497_11037694.html]]></link><description><![CDATA[rolled
Surface treatment: Black
Application: construction/welding /green house or water system 
Hot Rolled Steel Rectangular Tube
Details:
Container type: 20gp/gh or 40gp/gh
Loading capability: 25-28]]></description><pubDate><![CDATA[20240224]]></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[welding thin wall H-section steel for structure), U-section steel(webbing U rib steel for bridge structure), cold rolled section steel including heat treatment for structural, solar photovoltaic stan]]></description><pubDate><![CDATA[20170206]]></pubDate></item>
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<title><![CDATA[A913Gr.50 Seamless Steel Tube A913Gr.65 Seamless Steel Tube A945Gr.65 Seamless Steel Tube]]></title><link><![CDATA[https://sdzayisteel.en.ec21.com/A913Gr.50_Seamless_Steel_Tube_A913Gr.65--10413368_10413396.html]]></link><description><![CDATA[rolled,cold extrustion,welded
Usage:
1. Low and middle pressure fluid transportation pipeline
2. Casing Tube
3. Boiler Pipe
4. Petroleum and natural gas industry
5. Chemistry industry
6. Electric ind]]></description><pubDate><![CDATA[20191028]]></pubDate></item>
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<title><![CDATA[SSAW Steel Pipe]]></title><link><![CDATA[https://robertyin.en.ec21.com/SSAW_Steel_Pipe--10682856_10683027.html]]></link><description><![CDATA[SSAW Steel Pipe
SSAW Steel Pipe,Steel Pipe,welded pipe,SSAW
SSAW steel pipe means spiral pipe, which is made of hot-rolled steel plates.
Generally price for SSAW steel pipe is lower than that of ERW ]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
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<title><![CDATA[ASTM A312 Tp316L Smls Stainless Steel Tube]]></title><link><![CDATA[https://20011002yn.en.ec21.com/ASTM_A312_Tp316L_Smls_Stainless--11616152_11616153.html]]></link><description><![CDATA[rolled coil products like hot rolled steel bars are used in the welding and construction trades to make railroad tracks and I-beams. Hot rolled coil is used in situations where precise shapes and tol]]></description><pubDate><![CDATA[20220805]]></pubDate></item>
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<title><![CDATA[Seamless Galvanized Welded Steel Pipe ASTM A106 Standard 8mm Diameter]]></title><link><![CDATA[https://steelcoils.en.ec21.com/Seamless_Galvanized_Welded_Steel_Pipe--11883001_11883002.html]]></link><description><![CDATA[Seamless/Welded Galvanized Steel Pipe ASTM A106 Standard 8mm Diameter Galvanized Steel Pipe is a special kind of steel pipe that has been treated with a zinc coating for corrosion protection and rust]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[Stainless Steel Clad Plate]]></title><link><![CDATA[https://gallianz.en.ec21.com/Stainless_Steel_Clad_Plate--11858614_11903236.html]]></link><description><![CDATA[welding)
Applications of Stainless Steel Clad Plate
The stainless steel clad plate is mainly used in Petroleum, Chemical Industry, Light Industry, Seawater desalination, Nuclear Industry, Constructio]]></description><pubDate><![CDATA[20240218]]></pubDate></item>
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<title><![CDATA[Hot Rolled Strip]]></title><link><![CDATA[https://huaroshanghai.en.ec21.com/Hot_Rolled_Strip--11147016_11315053.html]]></link><description><![CDATA[rolled strip can be supplied as a billet. Widely used in automotive, electrical, chemical, shipbuilding, and other industrial sectors, but also as a billet for cold rolled, welded pipe, cold-formed s]]></description><pubDate><![CDATA[20201228]]></pubDate></item>
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<title><![CDATA[Astm A213 Gr T5 T12 T91 A192 Seamless Boiler Tubes Manufacturers 10# 20# 45#]]></title><link><![CDATA[https://seamlesssteeltubecom.en.ec21.com/Astm_A213_Gr_T5_T12--11863743_11863744.html]]></link><description><![CDATA[Welding, Decoiling, Punching, Cutting, MouldingEnds ProtectorPlastic pipe cap on both endsTechniqueclod rolled or hot rolledOiled or Non-oiledNon-oiled or as your requirementsWelding Line TypeSeamles]]></description><pubDate><![CDATA[20231107]]></pubDate></item>
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<title><![CDATA[ASTM A106 API 5L Seamless Steel Pipe Astm A53 Steel Pipe 13.7 - 610Mm]]></title><link><![CDATA[https://pipesteels.en.ec21.com/ASTM_A106_API_5L_Seamless--11871374_11871375.html]]></link><description><![CDATA[Rolled
Tolerance:
±10%
Processing Service:
Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled:
Non-oiled
Invoicing:
by theoretical weight
Delivery Time:
8-14 days
Color:
black grey
Si]]></description><pubDate><![CDATA[20231129]]></pubDate></item>
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<title><![CDATA[Finned Tubes]]></title><link><![CDATA[https://longhuatech.en.ec21.com/Finned_Tubes--11825682_11825690.html]]></link><description><![CDATA[roll bonding, extrusion, and welding can be used to attach the fins. The tube is first cleaned to remove any impurities or contaminants that could compromise adhesion of the fins. The fins are then b]]></description><pubDate><![CDATA[20230727]]></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[lines in your factory?
7 high-frequency resistance welding spiral fin tube production lines, 
3 tube bending machines, 
18 rolling extruders,
12 aluminum fin winding and inlaying machines.
]]></description><pubDate><![CDATA[20230628]]></pubDate></item>

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