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<title><![CDATA[EC21 Product Catalogs - surface inspection]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/surface_inspection--2842/1/surface inspection.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[Wholesale High Quality 1/2  24 Inch ASTM A106B A53B Carbon Seamless Pipe Factory]]></title><link><![CDATA[https://ropregal.en.ec21.com/Wholesale_High_Quality_1_2--12036094_12036114.html]]></link><description><![CDATA[Material：20#, A106B,Q355,ST52
Thickness：1.7mm-31.8mm
Length：5.8M,6M,11.8M,12M or As
Customer’s Request.
MOQ：5 Mt
Surface: Oiled / Anti-corrosion Paint
Certification：ISO9001:2008,SGS,BV,
P]]></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[Inspection
Product Features:
Excellent Material: Made of high-quality carbon steel materials, it has excellent mechanical properties and corrosion resistance.
Smooth Surface: The inner and outer surf]]></description><pubDate><![CDATA[20240821]]></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_Seamless_Cold--11665304_11666210.html]]></link><description><![CDATA[Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment:+SR, +A, +N
6. S]]></description><pubDate><![CDATA[20221031]]></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[Casing Couplings Btc Ltc, K55 Casing Coupling, 20in Casing Couplings Stocks]]></title><link><![CDATA[https://haigemachinery.en.ec21.com/Casing_Couplings_Btc_Ltc_K55--11355920_11361138.html]]></link><description><![CDATA[Surface treatment: Whole phosphating, or inside phosphating and outside coating
6.Packing: By carton, wooden case, wooden pallet, or according to customers request
1.API 5CT Tubing Coupling , Oilfiel]]></description><pubDate><![CDATA[20210401]]></pubDate></item>
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<title><![CDATA[Epoxy Coating Steel Pipes]]></title><link><![CDATA[https://jina1701.en.ec21.com/Epoxy_Coating_Steel_Pipes--11856841_11859134.html]]></link><description><![CDATA[Surface
Epoxy layer
Material
ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C
End
Beveled
Usage
Transport Low Pressure Liquid
Payment terms
L/C T/T (30%DEPOSIT)
Inspection
Thirdy Inspection Party
]]></description><pubDate><![CDATA[20231026]]></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[surfaces, called fins, attached to the outer surface of the tube. The fins significantly increase the surface area of the tube, which enhances heat transfer efficiency.
Finned tubes are commonly used]]></description><pubDate><![CDATA[20230727]]></pubDate></item>
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<title><![CDATA[Carbon Steel ASME B16.9 Pipe Fitting Seamless Straight/Reducing Tee DN80 ASTM A234 STD WPB Butt Weld]]></title><link><![CDATA[https://hxpipelineequipment.en.ec21.com/Carbon_Steel_ASME_B16.9_Pipe--11575951_11785511.html]]></link><description><![CDATA[1/2”-36”
Marking: According to the standard
Surface: Painting or at buyer’s option
Third Party Inspection: SGS BV etc.
Packing: By Wooden Case or Pallet
Payment Term: At buyer’s option
]]></description><pubDate><![CDATA[20230509]]></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[inspection control with reports (Visual and dimensional check etc…).
■ The High Frequency Resistance Welded Fin Tube is integrally extended for the max surface area to achieve efficiency. The hea]]></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[Sprial Steel Pipe]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Sprial_Steel_Pipe--10972930_10972952.html]]></link><description><![CDATA[SURFACE TREATMENT
1. bared
2. black painting(black varnish)
3. transparent oil
4. hot galvanized
INSPECTION
hydraulic testing, infrared test
PACKAGE
1. bundle2.in bulk3.bags4.according to clients&apos; re]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
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<title><![CDATA[ST52 Seamless Precision Steel Tubes]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/ST52_Seamless_Precision_Steel_Tubes--11456488_11458400.html]]></link><description><![CDATA[ST52 Seamless Precision Steel Tubes supplier 
Besides exhibiting high precision, these products tend to have a good surface quality and great straightness as well. There are several specifications th]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[High Quality API 5L Hot Rolled Carbon Seamless Steel Pipe Tube]]></title><link><![CDATA[https://jetvision.en.ec21.com/High_Quality_API_5L_Hot--11032076_11033354.html]]></link><description><![CDATA[A steel pipe made of a single piece of metal with no seams on its surface is called a seamless steel pipe. According to the production method, the seamless pipe is divided into a hot rolled pipe, a c]]></description><pubDate><![CDATA[20191125]]></pubDate></item>
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<title><![CDATA[API 5CT OCTG Seamless Pipe for Oil &amp; Gas Line Pipe   Carbon Steel Seamless Pipe Seamless Steel Pipe,]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/API_5CT_OCTG_Seamless_Pipe--10987618_10987639.html]]></link><description><![CDATA[Surface Treatment
Bare,Painting black,varnished,galvanized,anti-corrosion 3PE PP/EP/FBE coating
Technical Methods
Hot-rolled/Cold-drawn/Hot-expanded
Testing Methods
Pressure test,Flaw detection,Eddy ]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Seamless Stainless Tubes SA-213-tp-304L  19.05 X 2.11 X 12100mm]]></title><link><![CDATA[https://greatwallsteel9.en.ec21.com/Seamless_Stainless_Tubes_SA_213--11575970_11789931.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[20230515]]></pubDate></item>
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<title><![CDATA[SSAW Carbon Steel Pipe with Bilayer Epoxy Powder FBE]]></title><link><![CDATA[https://yopipe1.en.ec21.com/SSAW_Carbon_Steel_Pipe_with--11858282_11859291.html]]></link><description><![CDATA[SurfaceEpoxy layerMaterialST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13CEndBeveledUsageTransport Low Pressure LiquidPayment termsL/C T/T (30%DEPOSIT)InspectionThirdy Inspection PartySteel GradeGrade]]></description><pubDate><![CDATA[20231027]]></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 Treatment 
Black Paint, 3PP, 3PE,Epoxy Coating,etc
Length Range 
3--5.8m or to order
Pipe Cap 
To order
Hydrostatic Test 
To order
End Type 
Plain End or Bevel End
Third Party Inspection 
Ava]]></description><pubDate><![CDATA[20231211]]></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[Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening]]></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[surface finish. We also provide spiral welded pipe production line for sale. Contact us for more information!
UNDERSTANDING THE BASICS OF HIGH FREQUENCY PIPE WELDING MACHINE
In a high frequency pipe ]]></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[inspection, spectrum analysis instrument. We tightly control over inner management and concern about the quality first, moreover we employ more than 25 senior engineers, engineers, technicians to che]]></description><pubDate><![CDATA[20200513]]></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[surface, Uniform mechanical property(Mechanical Properties equilibrium) ;
3) Heat treatment: BK, BKS, GBK, NBK,Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normalized,]]></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[surface scratches during the molding process. The SSAW pipes are mainly used for conveying oil and natural gas pipeline, can also be used for civil engineering structures pipes for docks, bridges and]]></description><pubDate><![CDATA[20201216]]></pubDate></item>
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<title><![CDATA[API 5CT Seamless Steel Pipe, Steel Grade J55,N80,P110,PH-6 Petroleum Casing and Tubing in Oil]]></title><link><![CDATA[https://robertyin.en.ec21.com/API_5CT_Seamless_Steel_Pipe--10682856_10683141.html]]></link><description><![CDATA[Surface Treatment
black paint, varnish, oil, galvanized, anti corrosion coatings
Marking
Standard marking, or according to your request.
Pipe Ends
Under 2 inch plain end. 2 inch and above Beveled. Pl]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
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<title><![CDATA[S355JR FE510B Steel Pipe]]></title><link><![CDATA[https://cnpipeline.en.ec21.com/S355JR_FE510B_Steel_Pipe--4175128_4175177.html]]></link><description><![CDATA[Surface
Black
Inspection
With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,
Dimensional and Visual Inspection,
Technique
ERW
Package
Package In Bundle
Date of Delivery
30 ]]></description><pubDate><![CDATA[20170209]]></pubDate></item>

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