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<title><![CDATA[EC21 Product Catalogs - surface finish]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/surface-finish--2842/1/surface finish.html]]></link><item>
<title><![CDATA[SAW, ERA Pipes/Tubes]]></title><link><![CDATA[https://hanresco.en.ec21.com/SAW-ERA-Pipes-Tubes--145439_145440.html]]></link><description><![CDATA[Surface and Finished Condition
Oiled
Varnished
PE Coated
BPE - Black Plain End
BTE - Black Threading End
BTC - Black Threading and Coupling
GPE - Galvanized Plain End
GTE - Galvanized Threading End
G]]></description><pubDate><![CDATA[20240706]]></pubDate></item>
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<title><![CDATA[Bend Tube]]></title><link><![CDATA[https://lifeng006.en.ec21.com/Bend-Tube--10119108_10141398.html]]></link><description><![CDATA[Surface condition finished U-tube shall be free of scale,without scratches after bending.
3) Through ball test
4) 100% Eddy Current tests.
5) 100% Hydrostatic tests after bending
Bending radius as pe]]></description><pubDate><![CDATA[20250306]]></pubDate></item>
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<title><![CDATA[Carbon Steel Coil]]></title><link><![CDATA[https://jnxjysteel.en.ec21.com/Carbon-Steel-Coil--12043642_12043643.html]]></link><description><![CDATA[Surface Mild steel plain finish, hot dip galvanized, color coated, ect.
Size Tolerance ±3%
Processing method Bending, Welding, Decoiling, Cutting, Punching, Polishing or as customer&apos;s request
Size T]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[Precision Seamless Steel Tube for Hydraulic Jack, AISI/SAE 1045]]></title><link><![CDATA[https://lunbaosteeltubes.en.ec21.com/Precision-Seamless-Steel-Tube-for--11849819_11869139.html]]></link><description><![CDATA[surface roughness and small wall thickness deviation.
Standards: DIN 2391, EN 10305-1, ASTM A519.
Materials: 1020, 1026, 1045, C45, ST45, ST52, E255 and E355.
Delivery condition: cold finish (BK).
In]]></description><pubDate><![CDATA[20241120]]></pubDate></item>
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<title><![CDATA[ASTM A179 Heat Exchanger Seamless Steel Tubes]]></title><link><![CDATA[https://botopsteelpipe.en.ec21.com/ASTM-A179-Heat-Exchanger-Seamless--11045475_11051187.html]]></link><description><![CDATA[surface imperfections to provide seasonable assurance that they have been properly evaluated with respect to depth. The defect shall be removed or cut off within the limits of requirements on length.]]></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[Finish: This is a hot-rolled, annealed, and pickled finish that is often used for industrial applications.
- No. 2B Finish: This is a bright, cold-rolled finish with a smooth, reflective surface. It ]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
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<title><![CDATA[G.I Pipe Galvanized Steel Pipe Manufacturer China]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/G.I-Pipe-Galvanized-Steel-Pipe--10987619_10987643.html]]></link><description><![CDATA[finish
Plain/ beveled ends or threaded with sockets/ coupling and plastic cap or grooved
Surface Treatment
Hot Dip galvanized
Standard
BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217
App]]></description><pubDate><![CDATA[20240319]]></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[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[Cap Oil]]></title><link><![CDATA[https://crete07.en.ec21.com/Cap-Oil--3613724_3613736.html]]></link><description><![CDATA[surface comes with pressure cap.
Scalloped design, making them the perfect complement to any engine bay.
A clear anodized finish adds shine and durability.
Coolant reservoir cap is a great way to giv]]></description><pubDate><![CDATA[20210330]]></pubDate></item>
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<title><![CDATA[Gr.1 Gr.6 Seamless Carbon Tubes for Low-Temperature Service]]></title><link><![CDATA[https://tubetrade.en.ec21.com/Gr.1-Gr.6-Seamless-Carbon-Tubes--2454246_3336738.html]]></link><description><![CDATA[Finish Anneal(SR), Quenched and Tempered(Q+T), etc;
4) Surface treatment: ASTM ASME A/SA334-Temporary Coating, Special Coating, Galvanized, immersion oil, lacquer, passivation, phosphating,etc; Or Oi]]></description><pubDate><![CDATA[20130821]]></pubDate></item>
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<title><![CDATA[Seamless Stainless Steel Hydraulic Tube]]></title><link><![CDATA[https://skywalking9.en.ec21.com/Seamless-Stainless-Steel-Hydraulic-Tube--3029452_3029458.html]]></link><description><![CDATA[Standards: ASTM/ASME A213/SA213 A269/SA269
Steel Grade: 304/304L 316/316L 321
Surface Type: These tubes can be supplied with BA surface finish or with Polished outside surface.
]]></description><pubDate><![CDATA[20080911]]></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[Line Welded Pipe]]></title><link><![CDATA[https://fypipe.en.ec21.com/Line-Welded-Pipe--5059231_5918280.html]]></link><description><![CDATA[Surface Finish: Oiled or Painted 7. Process Method: Hot Rolled or Welded 8. Bundling: according to the customer&apos;s requirements 9. We can also supply Non-standard pipes / tubes. 10. Packing: standard ]]></description><pubDate><![CDATA[20111018]]></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[DIN2391 ST52 / E355 Seamless Cold-drawn Precision Steel Tubes for Cylinders]]></title><link><![CDATA[https://susanxudsteel.en.ec21.com/DIN2391-ST52-E355--11665304_11666210.html]]></link><description><![CDATA[surface checking to avoid surface defects.
Related ProductsHydraulic Cylinder Tubing DIN 2391 ST52.3Honed Tubing ASTM A513 Tubes and Bars For Cylinders SAE1026Honed Tube, Pneumatic / Hydraulic Cylind]]></description><pubDate><![CDATA[20221031]]></pubDate></item>
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<title><![CDATA[ASTM A179/ASTM179M-90A(2005) Standard Specification for Seamless Cold-drawn Low- Carbon Steel Heat-]]></title><link><![CDATA[https://tefu888.en.ec21.com/ASTM-A179-ASTM179M-90A-2005--11750485_11752145.html]]></link><description><![CDATA[Finish
NBK/+N,BK/+C,GBK/+A,BKW/+LC,BKS/+SR
Surface
Mill(Gray with White)/Black Phosphated/Galvanized
Application
FOR Hydraulic &amp; Pneumatic power systems
Marking
Standard marking,or according to your ]]></description><pubDate><![CDATA[20230320]]></pubDate></item>
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<title><![CDATA[Welded 316/316L Round Stainless Steel Boiler Pipe]]></title><link><![CDATA[https://huaxipipe.en.ec21.com/Welded-316-316L-Round-Stainless--11560540_11665438.html]]></link><description><![CDATA[slit(0.5mm-25mm);girth(3mm-45mm)Length: 5.8-6.1 m or as customers&apos; requestTolerance:According to the Standard.Surface: 180G, 320G, 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finish 
]]></description><pubDate><![CDATA[20221029]]></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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<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[surface.
Steel grade:J55, K55, N80, L80, C90, T95, P110, Q125
Size:1.05&amp;rdquo;~4 1/2&amp;rdquo; for Seamless Tubing
Length:R1/R2/R3
Dimensional tolerances:
Types of
steel tubes
Outer diameter
Wall thickn]]></description><pubDate><![CDATA[20170304]]></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--11537183_11538050.html]]></link><description><![CDATA[surface finish;
- The chrome plated surface provides excellent wear and corrosion resistance.
- Good mechanical strength
- Durable in use
- Excellent welding 
Packing
Our chrome plated tubes usually ]]></description><pubDate><![CDATA[20220228]]></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[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[Surface Finish:Mirro surface, Bright, PicklingInvoicing:by theoretical weightDelivery Time:within 7 daysStandard::JIS,DIN,ASTM.BS.API.GBSurface:BA, NO.4, 8K, 2B, NO.1, Hairline etcThickness:0.5mm - 1]]></description><pubDate><![CDATA[20230315]]></pubDate></item>
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<title><![CDATA[EN 10204 Gas Spring Cold Drawn Seamless Steel Pipe Precision Carbon Steel Tubes for Shock Absorber]]></title><link><![CDATA[https://hsmpaul.en.ec21.com/EN-10204-Gas-Spring-Cold--11270050_11270154.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[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[Surface: Lightly oiled, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings
MATERIAL: CS, LTCS
Q235, Q345, ASTM A25, API 5L GR.B, X42, X46, X52, X60, X70, etc.
STANDARD: API 5L, ASTM A252]]></description><pubDate><![CDATA[20191205]]></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[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[surface finish, without any visible joints. This product is more expensive than welded pipe, but is also considered more reliable, and can result in products with much higher strength and integrity.
]]></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 quality and great straightness as well. There are several specifications that cover high precision tubes including - din 17175, EN 10305-1 and din 2391. Another fitting advantage of using the]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[Gammaplus 200T]]></title><link><![CDATA[https://sidergamma.en.ec21.com/Gammaplus-200T--11145718_11145920.html]]></link><description><![CDATA[surface finishing skived &amp; roller burnished ISO H8 (Ra &lt; 0,2µm)
Inside surface finishing honed ISO H8 (Ra &lt; 0,4µm)
Delivered in random lengths
Ø 35f7 x 5 ÷ 120f7 x 10 ............ 5 ÷ 7,5 m
Stee]]></description><pubDate><![CDATA[20200521]]></pubDate></item>
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<title><![CDATA[PIPE 20&quot;X20.62mm. BE. ASTM A312 Gr.TP316/316L. SMLS]]></title><link><![CDATA[https://greatwallsteel9.en.ec21.com/PIPE-20-X20.62mm.-BE.-ASTM--11575970_11785520.html]]></link><description><![CDATA[Standards: ASTM(ASME) (SA)A312/213/376 etc
Manufacturing method: Cold drawn, hot rolled ,ERW
Surface finish: Anneal/pickling/manual polished/ mechanical polished
Material: TP304/304L/H/LN, TP309S/310]]></description><pubDate><![CDATA[20230509]]></pubDate></item>
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<title><![CDATA[Stainless Steel Wire Braided Flexible Expansion Joint Corrugated Metal Hose with Flange]]></title><link><![CDATA[https://yopipe1.en.ec21.com/Stainless-Steel-Wire-Braided-Flexible--11858282_11860787.html]]></link><description><![CDATA[ypeWeldedSteel Grade300 SeriesTolerance±1%Gradess304 316 321 etcSteel Grade316L, 316, 321, 304Surface Finish2DInvoicingby theoretical weight
]]></description><pubDate><![CDATA[20231031]]></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[surface finish, making it suitable for various applications in industries such as oil and gas, power generation, automotive, and construction.
The 34CrMo4 alloy steel pipe has excellent mechanical pr]]></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[Strength, Yield Strength, Elongation, Hardness, Straightness, etc.8. Packing and Stocking.100% Eddy Current Testing.100% Size Tolerance Checking.100% Tube surface checking to avoid surface defects
]]></description><pubDate><![CDATA[20231225]]></pubDate></item>
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<title><![CDATA[Anti-corrosion and Insulated Steel Pipe Production Line]]></title><link><![CDATA[https://txhmachine.en.ec21.com/Anti-corrosion-and-Insulated-Steel--11854146_11875616.html]]></link><description><![CDATA[surface of the pipes, preventing contact between the steel and corrosive environments such as moisture, chemicals, and saltwater. This barrier inhibits the formation of rust and corrosion, thereby en]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[Ultra High Purity (UHP) Tubes and Pipes]]></title><link><![CDATA[https://jfyjfy666.en.ec21.com/Ultra-High-Purity-UHP--11409134_11409135.html]]></link><description><![CDATA[Surface Finish Level
A variety of surface finish grades are offered for customer&apos;s various application as cost saving options. For example, annealed and pickled (AP), mechanically polished (MP), brig]]></description><pubDate><![CDATA[20211208]]></pubDate></item>

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