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<title><![CDATA[EC21 Product Catalogs - surface processing]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/surface_processing--2842/1/surface processing.html]]></link><item>
<title><![CDATA[SSAW Steel Pipe]]></title><link><![CDATA[https://supersteel123.en.ec21.com/SSAW_Steel_Pipe--12045493_12045500.html]]></link><description><![CDATA[Surface treatment: Black painting / Oil painting / Anti-rust oil / Anti-corrosive coating
Application: Oil and gas pipeline, water transmission, liquid transportation, building construction, steel st]]></description><pubDate><![CDATA[20250227]]></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[processed at room temperature,typically offering better dimensional accuracy and surface quality.
Steel Pipe Product Parameter:
Description Name EN10219 Cold Formed Welded Structural Tubes S355J0 S35]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[China OEM 1/2 3/4 1 2 1.5 Inch GI Hot Dipped Galvanized Steel Pipe Price Quotes]]></title><link><![CDATA[https://ropregal.en.ec21.com/China_OEM_1_2_3--12036094_12036109.html]]></link><description><![CDATA[Key attributes
Section
Shape 
Round 
Surface
Treatment 
Hot
Rolled 
Tolerance 
±1% 
Oiled
or Non-oiled 
Slightly
Oiled 
Invoicing 
by
theoretical weight 
Place
of Origin 
Tianjin,
China 
Alloy
Or No]]></description><pubDate><![CDATA[20250111]]></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[Surface Treatments: The product offers different surface treatments, such as galvanized, carbon black iron, and painted, catering to various customer requirements.
Competitive Pricing: As a factory p]]></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[surface treatment process of seamless steel pipe is anodizing (sandblasting/drawing/polishing), electrophoresis, spraying (powder spraying/fluorocarbon spraying), etc. Processing technology for CNC, ]]></description><pubDate><![CDATA[20240923]]></pubDate></item>
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<title><![CDATA[Hot Dipped Galvanized Steel Pipe]]></title><link><![CDATA[https://tjsinosteel.en.ec21.com/Hot_Dipped_Galvanized_Steel_Pipe--11090280_11090296.html]]></link><description><![CDATA[Surface treatment 
hot-dipped galvanized/Painting/Oiled 
Section shape 
round 
Delivery 
1) container2) bulk carrier 
Port of shipment 
Xingang Port, Tianjin, China 
Terms of Payment 
L/C, T/T, D/P, ]]></description><pubDate><![CDATA[20240919]]></pubDate></item>
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<title><![CDATA[Color Coated Steel Sheet]]></title><link><![CDATA[https://hongyuansteelpipe.en.ec21.com/Color_Coated_Steel_Sheet--12006202_12006207.html]]></link><description><![CDATA[Surface treatment: We use advanced hot-dip galvanizing, coating and other treatment processes to ensure that the product surface is smooth, uniform, bright in color, and has good corrosion resistance]]></description><pubDate><![CDATA[20240918]]></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[processed through cold drawing or hot rolling without adding welding materials. The inner and outer surfaces are smooth, the dimensions are precise, and they can meet the requirements of high strengt]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
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<title><![CDATA[API 5L Grade X70 LSAW Steel Pipe]]></title><link><![CDATA[https://botopsteelpipe.en.ec21.com/API_5L_Grade_X70_LSAW--11045472_11051181.html]]></link><description><![CDATA[surface imperfections to provide seasonable assurance is necessarily. The defect shall be removed or cut off within the limits of requirements on length. The finished pipe shall be reasonably straigh]]></description><pubDate><![CDATA[20240605]]></pubDate></item>
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<title><![CDATA[ASTM A519 Carbon and Alloy Seamless Steel Mechanical Pipe]]></title><link><![CDATA[https://botop123456.en.ec21.com/ASTM_A519_Carbon_and_Alloy--11940818_11940826.html]]></link><description><![CDATA[grades of carbon steel: MT 1015, MT 1020, 1026,1035;Common grades of alloy steel: 4130, 4140, 4150;Coating: tubing may be coated with a rust retarding oil on the outside and inside surfaces.
]]></description><pubDate><![CDATA[20240522]]></pubDate></item>
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<title><![CDATA[Stainless Steel Sheet]]></title><link><![CDATA[https://gallianz.en.ec21.com/Stainless_Steel_Sheet--11858614_11903237.html]]></link><description><![CDATA[surface
Easy to install
American Iron and Steel Institute (AISI) Designation System
300&apos;s - Chromium-Nickel Stainless Steel this series is austenitic, non-heat treatable, and non-magnetic.
400&apos;s - Ch]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
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<title><![CDATA[Spiral 3pe Anti Corrosion Steel Pipe  Anti-corrosion Pipe  3PE Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/Spiral_3pe_Anti_Corrosion_Steel--10987621_10987661.html]]></link><description><![CDATA[Surface
Bare, Coating, Anti-corrosion, 3PE/PP/FBE. etc
Package
Standard Sea Worthy Package or as per customer required
Steel tube outer wall corrosion protection form 3PE anticorrosion generally cons]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Black Carbon Seamless Steel Precision Pipes and Tubes for Gas Spring Cylinder]]></title><link><![CDATA[https://wrjeffrey.en.ec21.com/Black_Carbon_Seamless_Steel_Precision--11097939_11206288.html]]></link><description><![CDATA[Surface:Black/bright 
Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101
Size :OD 3mm-140mm Thickness 0.5-20mm
Processing :Cold rolle]]></description><pubDate><![CDATA[20200721]]></pubDate></item>
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<title><![CDATA[SS304/316 Cold Drawing Casing Line Pipe Stainless Steel Tube]]></title><link><![CDATA[https://20011002yn.en.ec21.com/SS304_316_Cold_Drawing_Casing--11616155_11616158.html]]></link><description><![CDATA[Surface Finishing: 2B, BA, NO.4, NO.6, 8K, HL, Etching, SB, Ti-coating etc.No.1Thickness(mm) 0.25-3.0mm2.5/ 3.0/ 4.0/ 5.0/ 6.0/ 8.0/ 10.0/ 12.0mmWidth(mm) Coil: 1000~1524 up mmSheet size to be custom]]></description><pubDate><![CDATA[20220805]]></pubDate></item>
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<title><![CDATA[Manufacturer&apos;s Direct Sales of SS304L Steel Pipe]]></title><link><![CDATA[https://jingchang2004.en.ec21.com/Manufacturer_s_Direct_Sales_of--11878297_11878298.html]]></link><description><![CDATA[material to manufacture hydraulic cylinders. This is because honed tubes are the most critical materials for hydraulic cylinders. Honing is essentially a bore sizing and surface preparation process]]></description><pubDate><![CDATA[20231221]]></pubDate></item>
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<title><![CDATA[Precision Steel Tubes for Shock Absorbers Gas Spring]]></title><link><![CDATA[https://hsmpaul.en.ec21.com/Precision_Steel_Tubes_for_Shock--11270050_11270101.html]]></link><description><![CDATA[Surface:Black/bright 
Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101
Size :OD 3mm-140mm Thickness 0.5-20mm
Processing :Cold rolle]]></description><pubDate><![CDATA[20201004]]></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[surface treatment of Galvanized Steel Pipe is galvanized, which provides extra protection against rust and corrosion. The minimum order quantity (MOQ) for Galvanized Steel Pipe is one ton, making it ]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[3PE Anti-corrosion Steel Pipe]]></title><link><![CDATA[https://jina1701.en.ec21.com/3PE_Anti_corrosion_Steel_Pipe--11860171_11860176.html]]></link><description><![CDATA[Processing Service
Bending, Welding, Cutting
Product name
3PE Anti-corrosion Steel Pipes
Keyword
Carbon steel sch STD
Surface
3PE Anti-corrosion
Usage
Fluid Transportation
Secondary Or Not
Non-second]]></description><pubDate><![CDATA[20231030]]></pubDate></item>
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<title><![CDATA[Office Container]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Office_Container--11653940_11653941.html]]></link><description><![CDATA[surface flooring.
Steel frame 
Frame structure: cold formed profile steel, 4mm thickness; Corrosion Protection: Polishing, derusting, sand blasting; Finishing coat: alkyd honed painting； Connected ]]></description><pubDate><![CDATA[20221011]]></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[process. It is also called SSAW pipes. Spiral welded pipe is characterized by uniform deformation, small residual stress, no surface scratches during the molding process. The SSAW pipes are mainly us]]></description><pubDate><![CDATA[20201216]]></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[Surface Treatment:
Hot Rolled
Tolerance:
±10%
Processing Service:
Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled:
Non-oiled
Invoicing:
by theoretical weight
Delivery Time:
8-14 da]]></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[Process Used To Manufacture Finned Tubes?
The manufacturing process for finned tubes involves taking a basic tube and attaching fins to its exterior surface. Various methods such as roll bonding, ext]]></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[surface area to achieve efficiency. The heat transfer ratio of high frequency welding fin tube is about 8~9 times higher than other plain tubes.
■ This Welded Helical Fin Tubes is a singular integr]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[Steel Tube]]></title><link><![CDATA[https://threewaysteel.en.ec21.com/Steel_Tube--4978487_6603271.html]]></link><description><![CDATA[Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer&amp;rsquo;s requirement
Test: Chemical Component Analysis, Mechanical Propertie]]></description><pubDate><![CDATA[20120720]]></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[Surface Treatment:
External Coating:
Type
Standard
Single-Layer FBE Coating
SY/T 0315-2005, CAN/CSA Z245.20-2010,
DEP 31.40.30.32-Gen-2011, ISO 21809-2-2007, API RP 5L9-2001
Double-Layer FBE Coating
]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
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<title><![CDATA[Bk+S Ready To Honed Tube, Pneumatic / Hydraulic Cylinder Tube ST52]]></title><link><![CDATA[https://susanxudsteel.en.ec21.com/Bk_S_Ready_To_Honed--11665304_11666209.html]]></link><description><![CDATA[processing, the tube can be cold-formed (e.g. bent, expanded) within certain limits.Cold-finished
(Stress relief annealing)BKS (+SR)After the final cold drawing process there is a stress relief heat ]]></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[surface preparation, chemical composition, rolling and heating processes. All these processes develop a supreme quality product that are suited to fabrication processes such as welding, forging, dril]]></description><pubDate><![CDATA[20230920]]></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[surface cleaning can be manually or by a scarfing machine with running the oxyacetylene torch. The treatment of the slab is pushed or walked over the wide side through a heating furnace with a dimens]]></description><pubDate><![CDATA[20201228]]></pubDate></item>
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<title><![CDATA[Header Pipes for Parallel Flow Evaporators and Condensers]]></title><link><![CDATA[https://sinupower.en.ec21.com/Header_Pipes_for_Parallel_Flow--11842620_11842627.html]]></link><description><![CDATA[surfaces. The header pipes serve as distribution and collection points for the refrigerant entering and leaving the evaporator tubes. The refrigerant enters the header pipe, where it is distributed e]]></description><pubDate><![CDATA[20230908]]></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[Viscoelastic Anti-Corrosion Tape]]></title><link><![CDATA[https://wenlimin198987.en.ec21.com/Viscoelastic_Anti_Corrosion_Tape--11808512_11808518.html]]></link><description><![CDATA[processed by special production process.
Product characteristics
1. High strength effectively protect the surface of equipment such as pipelines and valves from damage.
2. Corrosion resistance: it ha]]></description><pubDate><![CDATA[20230619]]></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[process gives the seamless pipe a smooth and even surface finish, without any visible joints. This product is more expensive than welded pipe, but is also considered more reliable, and can result in ]]></description><pubDate><![CDATA[20190529]]></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[surface of these tubes make them hard. The cost of processing Carbon Steel DIN 2391 ST 35 pipes is much lower than the cost of high carbon steel and the corrosion resistance is also low. In instances]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[High Quality ASTM106 Carbon Welded ERW Steel Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/High_Quality_ASTM106_Carbon_Welded--11032076_11103632.html]]></link><description><![CDATA[Surface Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement 
Certificate API 5L PSL1/ PSL2 
Standard ASTM 5L, ASTM A53, ]]></description><pubDate><![CDATA[20200414]]></pubDate></item>
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<title><![CDATA[Hydraulic Cylinder Tubes of Material ST52.3, Inner Diameter Honing H8 Tolerances]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Hydraulic_Cylinder_Tubes_of_Material--11537181_11702039.html]]></link><description><![CDATA[process, using “Suitable To Hone” Cold Drawn Seamless Tubes. The processing of the hydraulic cylinder tubes is determined by the size, mold available and the request of the customer.
Hydraulic cy]]></description><pubDate><![CDATA[20230103]]></pubDate></item>
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<title><![CDATA[Anti Corrosion Pipe Supports]]></title><link><![CDATA[https://leakprotection.en.ec21.com/Anti_Corrosion_Pipe_Supports--11622383_11622389.html]]></link><description><![CDATA[The proprietary hydrophobic material has high compressive strength; it will not crack, creep, or cold-flow.Temperature:-55°C up to 110°CCover :poly shrinkU bolt:dacromet surface processing for CS, ]]></description><pubDate><![CDATA[20220817]]></pubDate></item>
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<title><![CDATA[Manufacturer Supply Hot/Cold Drawn 201 304 316 316L Inox Brushed Polished Mirror Stainless SteelPipe]]></title><link><![CDATA[https://harper123.en.ec21.com/Manufacturer_Supply_Hot_Cold_Drawn--11643632_11664052.html]]></link><description><![CDATA[Processing Service:Bending, Welding, Decoiling, Punching, Cutting, Moulding, Bending, Welding Decoiling, Punching, CuttingGrade:200,300,400 Series,Section Shape:RoundAlloy Or Not:Is AlloySurface Fini]]></description><pubDate><![CDATA[20230315]]></pubDate></item>
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<title><![CDATA[ASTM A106Gr.B/A53 Carbon Steel Seamless Steel Pipe]]></title><link><![CDATA[https://reynzhang364.en.ec21.com/ASTM_A106Gr.B_A53_Carbon_Steel--11812684_11824648.html]]></link><description><![CDATA[process, save materials and processing time, such as rolling bearing rings, jack sleeves, etc., which have been widely used to manufacture steel pipes.
Steel pipe is an indispensable material for all]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
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<title><![CDATA[20Cr Alloy Seamless Steel Pipes]]></title><link><![CDATA[https://haihuisteel.en.ec21.com/20Cr_Alloy_Seamless_Steel_Pipes--11814565_11879631.html]]></link><description><![CDATA[process, save materials and processing time, such as rolling bearing rings, jack sleeves, etc.
20Cr alloy steel pipe is also an indispensable material for various conventional weapons, and the barrel]]></description><pubDate><![CDATA[20231225]]></pubDate></item>
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<title><![CDATA[High Frenquency Welded Steel Pipe Production Line]]></title><link><![CDATA[https://txhmachine.en.ec21.com/High_Frenquency_Welded_Steel_Pipe--11854146_11875619.html]]></link><description><![CDATA[process, and the ability to produce pipes with excellent dimensional consistency and surface finish. We also provide spiral welded pipe production line for sale. Contact us for more information!
UNDE]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[304 Stainless Steel Welded Pipe]]></title><link><![CDATA[https://yesi882000.en.ec21.com/304_Stainless_Steel_Welded_Pipe--862894_880100.html]]></link><description><![CDATA[Process method: plasma welded (Germany Instrument.)
Surface: pickle
Our products comply with the following materials,
202,304, 304L, 316L, 321,310S,S31803ï¼409L etc. 
Product size range: 
Outer d]]></description><pubDate><![CDATA[20221118]]></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[Following the production process: pickling, cold rolling, annealing, galvanizing, slitting, formed rolling, Hoa Sen steel pipe have clean and smooth surface, steady thickness, high plasticity and goo]]></description><pubDate><![CDATA[20131028]]></pubDate></item>
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<title><![CDATA[DIN2440,DIN2448,DIN1629 ST33.2 Seamless Steel Pipes and Tubes]]></title><link><![CDATA[https://cnpipeline.en.ec21.com/DIN2440_DIN2448_DIN1629_ST33.2_Seamless--4175128_4455793.html]]></link><description><![CDATA[01
Commodity: DIN2440 ST33.2 seamless carbon steel pipe and tube
02
Process method: Cold drawn/cold rolling
03
Surface finish: Black,galvanizing
04
Materials: ST35.8 ST33,St52
05
Standards: ISO,DIN/A]]></description><pubDate><![CDATA[20160809]]></pubDate></item>

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