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<title><![CDATA[EC21 Product Catalogs - certificated]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/certificated--2842/1/certificated.html]]></link><item>
<title><![CDATA[Steel Tube Rectangular Square Pipe AH BH Material Grade Certificate]]></title><link><![CDATA[https://zhurangroup.en.ec21.com/Steel_Tube_Rectangular_Square_Pipe--11974146_11976616.html]]></link><description><![CDATA[]]></description><pubDate><![CDATA[20240729]]></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[Certificate ISO9001:2015,CE,FPC
Section Shape RHS,SHS,CHS
Outer Diameter 15mm-1500mm
Wall Thickness SCH10,SCH20,SCH30,STD,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XS,XXS
Length 1-12m,or customized acco]]></description><pubDate><![CDATA[20250218]]></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[Carbon Steel Square Tube]]></title><link><![CDATA[https://18222310105.en.ec21.com/Carbon_Steel_Square_Tube--12034887_12034888.html]]></link><description><![CDATA[Certification: The product meets international standards, including ISO 9001, ISO 14001, and GB/T28001, guaranteeing quality and sustainability in production processes.
Customizable Specifications: A]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Cold Drawn Seamless Carbon Steel Tube GOST8734 ST20]]></title><link><![CDATA[https://lunbaosteeltubes.en.ec21.com/Cold_Drawn_Seamless_Carbon_Steel--11849819_11878302.html]]></link><description><![CDATA[1 industry standard
4 invention patents
High-tech enterprise certificate
CE CERTIFICATE
Special equipment production license
IATF16949:2016
ISO9001-2005
ISO14001:2015
ISO45001:2018
]]></description><pubDate><![CDATA[20241120]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe (Micropile Tube)]]></title><link><![CDATA[https://topmetal123.en.ec21.com/Seamless_Steel_Pipe_Micropile_Tube--11966436_11966447.html]]></link><description><![CDATA[strength ≥ 689 MpaOutside Ø tolerance ± 1%Thickness tolerance ± 12.5%Certificate EN10204 3.1 B
Steel: Q345B, N80 or as requested. Other sizes can be produced and supplied by request. 
]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[L80-13cr OIL CASING]]></title><link><![CDATA[https://tjlkl.en.ec21.com/L80_13cr_OIL_CASING--11948093_11948094.html]]></link><description><![CDATA[certification, American Petroleum Institute API 5CT certification and a number of national patent certificates. The production workshop has a number of equipment such as high-precision CNC lathes, th]]></description><pubDate><![CDATA[20240626]]></pubDate></item>
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<title><![CDATA[ASTM A106 A36 Carbon Steel Coil with High Performance]]></title><link><![CDATA[https://hhhh888.en.ec21.com/ASTM_A106_A36_Carbon_Steel--11924945_11925031.html]]></link><description><![CDATA[Certificate
ISO, CE
Payment terms
30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A
Deli]]></description><pubDate><![CDATA[20240415]]></pubDate></item>
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<title><![CDATA[Classic Carbon LSAW Steel Pipe for Marine Engineer Construction]]></title><link><![CDATA[https://csco12138.en.ec21.com/Classic_Carbon_LSAW_Steel_Pipe--11873243_11873418.html]]></link><description><![CDATA[certification ,custom appreciate lettersThe mill certification: such as API Monogram ,ISO ect..ITP ,MPS &amp; ISO manualDelivery term: FCA/DDP/DDA etc can acceptLogistical and shipping chains ,we have si]]></description><pubDate><![CDATA[20231206]]></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[Certification/Honor
ABS/LR/GL/BV/RINA/DNV/KR/CCS/TUV NORD/SGS/ISO9001/AS9100(BV)/ISO TS16949/Cooperation with China Industrial Design Institute/Dedicated for High-Speed Railway/Parker Hannifin Excell]]></description><pubDate><![CDATA[20230320]]></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[CertificateISO9001Processing ServicePunching, CuttingProduct nameGalvanized iron pipeApplicationConstruction decoration,chemical equipmentsEdgeSlit Edge/ Mill EdgeTechnologyCold Rolled,Hot RolledPack]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[Hot Selling ASTM A179 19.05mm X 2.11mm Seamless Carbon Steel Pipe/Tube for Boiler and Heat Exchanger]]></title><link><![CDATA[https://huaxipipe.en.ec21.com/Hot_Selling_ASTM_A179_19.05mm--11560540_11560547.html]]></link><description><![CDATA[,heat exchanger ,and superheater Etc.Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.Quality Certificate:ISO, API, Mill Test Certificate 
]]></description><pubDate><![CDATA[20220503]]></pubDate></item>
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<title><![CDATA[Steel Pipe]]></title><link><![CDATA[https://sigridsun.en.ec21.com/Steel_Pipe--11834079_11869747.html]]></link><description><![CDATA[certification. Our annual exporting amount can be up to 100,000 tons to South America, Middle East, Southern Asia, Europe, Canada etc.You can send me a reply for specification, availability or for an]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[API5CT Tubing Couplings L80 EUE, D-10 Couplings L80]]></title><link><![CDATA[https://haigemachinery.en.ec21.com/API5CT_Tubing_Couplings_L80_EUE--11355920_11361149.html]]></link><description><![CDATA[BTC, LTC, STC, Premium Connections, EUE, NUE
6. Type: Regular, Special Clearance
7. Length: as per API5CT Specification
8. Quality Test Certificate, Mill Test Certificate will be provided 
]]></description><pubDate><![CDATA[20210401]]></pubDate></item>
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<title><![CDATA[Large Diameter Steel Culvert with Different Corrugation]]></title><link><![CDATA[https://jean2023.en.ec21.com/Large_Diameter_Steel_Culvert_with--11767282_11820318.html]]></link><description><![CDATA[certificates of ISO9001, CE, CCPC and so on. And we passed the inspection from a lot of famous international inspection company, such as SGS, BV, BC and so on.
☆ 17 years’ Manufacturer-Top 3 culv]]></description><pubDate><![CDATA[20230715]]></pubDate></item>
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<title><![CDATA[Dormitory Container]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Dormitory_Container--11824641_11824646.html]]></link><description><![CDATA[certification. Our team members have more than 10 years of experience in the field of mobile home management, production and 
container van dormitory design. We have our own mobile home research cent]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
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<title><![CDATA[Honed Cylinder Tube of Material SAE 4140 for High Strength Requirements]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Honed_Cylinder_Tube_of_Material--11537181_11658468.html]]></link><description><![CDATA[Certificate: ISO9001:2015 
As a professional hydraulic cylinder barrel manufacturer and supplier, Skyline has been supplying and exporting hydraulic cylinder barrel for more than 20 years. 
Product D]]></description><pubDate><![CDATA[20221019]]></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[Certificate:
API, ce, Bsi, ISO9001
Grade:
Q195, Q235, Q345, #20
Surface Treatment:
Hot Rolled
Tolerance:
±10%
Processing Service:
Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled:
N]]></description><pubDate><![CDATA[20231129]]></pubDate></item>
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<title><![CDATA[Oilfield Tubular Casing Tubing Coupling API 5CT for OCTG Drill Pipe]]></title><link><![CDATA[https://helen202368.en.ec21.com/Oilfield_Tubular_Casing_Tubing_Coupling--11824687_11825668.html]]></link><description><![CDATA[certification and API certification of American
Petro Institute.products have been export to South America,North American,Russia,the Missle East,Southest Asia,West Asia,Africa etc.And we have establi]]></description><pubDate><![CDATA[20230727]]></pubDate></item>
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<title><![CDATA[Stainless Steel 304 Laser Welding Helical Finned Tube High Performance]]></title><link><![CDATA[https://jysuling1.en.ec21.com/Stainless_Steel_304_Laser_Welding--11600429_11812600.html]]></link><description><![CDATA[Product DescriptionStainless Steel 304 Laser Welding Helical Finned Tube High Performance
1.Product Details:
Place of Origin:
China.
Brand Name:
Baerfu
Certification:
ISO...
Model Number:
Laser Fin T]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[Astm A252 Gr 3 Piling Pipe]]></title><link><![CDATA[https://threewaysteel.en.ec21.com/Astm_A252_Gr_3_Piling--4978487_6603275.html]]></link><description><![CDATA[strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Mill Test Certificate: EN 10204/3.1B
]]></description><pubDate><![CDATA[20120720]]></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[certification.
Steel pipe is produced in one of two methods, which result in either seamless or welded products.
Seamless pipe is made from solid round stock that is first heated, then extruded—pus]]></description><pubDate><![CDATA[20190529]]></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[Certification
BV, IAF, SGS,COC, ISO or as per customer
Application
Urban construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Scaffolding pipe, ]]></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[Certificates (MTC)
Material Test Certificates (MTC) as per EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2, 100% Radiography Test Report,
Raw Materials Certificate, Third Party Inspection Report, Fumiga]]></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[Bitumen Coating, Black Oil coating as per customer’s requirement 
Certificate API 5L PSL1/ PSL2 
Standard ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217 
]]></description><pubDate><![CDATA[20200414]]></pubDate></item>
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<title><![CDATA[10 Inch Seamless Steel Pipe   Black Color Seamless Steel Pipe for Sale  Seamless Steel Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/10_Inch_Seamless_Steel_Pipe--10987618_10987641.html]]></link><description><![CDATA[certification. 
For more product information, please click here
to visit our website.
https://www.creditsteelpipe.com/
More Products Please View Hifactory
.
More information:
http://www.bestabmachine]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Pipe Supplier 13-3/8 68ppf OCTG Oil Casing Carbon Petroleum Steel Pipes]]></title><link><![CDATA[https://zhuyan230401.en.ec21.com/Pipe_Supplier_13_3_8--11826223_11827259.html]]></link><description><![CDATA[certification and API certification of American Petroleum Association
PRODUCT DESCRIPTION
Product Category
Specification
Grade 
Application
Product Picture Display
Our Advantage
FAQ
1 How can we guar]]></description><pubDate><![CDATA[20230731]]></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[Certificate 
API, ce, BIS, JIS, GS, ISO9001
Grade 
Carbon steel
Surface Treatment 
Hot Rolled/Cold rolled
Tolerance 
±1%
Processing Service 
Welding, Punching, Cutting, Bending, Decoiling
Oiled or N]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[904L Stainless Steel Welded Pipe]]></title><link><![CDATA[https://yesi882000.en.ec21.com/904L_Stainless_Steel_Welded_Pipe--10805820_10805915.html]]></link><description><![CDATA[certifications of
*API 5LC, ASME(TUV Rheinland), PED 2014/68/EU;
* ISO 9001:2008; ISO 14001:2004, OHSAS 18001:2007;
*Approved manufacturer by CNNC ( China National Nuclear Corporation )
RULES FOR CLA]]></description><pubDate><![CDATA[20200513]]></pubDate></item>
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<title><![CDATA[Penstock Steel Pipe Q345Bsprial Steel Pipe,Ssaw Steel Pipe]]></title><link><![CDATA[https://wbx1984915.en.ec21.com/Penstock_Steel_Pipe_Q345Bsprial_Steel--2461493_8261227.html]]></link><description><![CDATA[Material :Q235/Q345/20#/L245/X42-X65 etc 
Specification:1020mm*17mm 
Length: 6M/12M or as customers requirement 
Treatment: According to the requirements 
Certificates: SY/T5037-2000/GB/T9711.1-97/AP]]></description><pubDate><![CDATA[20240123]]></pubDate></item>
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<title><![CDATA[Incoloy 825 Inconel 600 718 Monel Fitting Flange Pipe Tube]]></title><link><![CDATA[https://lindasun00.en.ec21.com/Incoloy_825_Inconel_600_718--2845141_2845227.html]]></link><description><![CDATA[certification according to EN10204/3.2
Butt Weld Fittings
Standard
ASTM / ASME A/SA 403 GR WP &quot;S&quot; / &quot;W&quot; / &quot; WX&quot; 
ASTM A860/ A 860M WPHY42, WPHY52, WPHY60, WPHY65, WPHY70
ASTM/ ASME S/A234/ A 234M WPB]]></description><pubDate><![CDATA[20231106]]></pubDate></item>
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<title><![CDATA[Supply Threaded End Steel Pipe]]></title><link><![CDATA[https://eaststeel.en.ec21.com/Supply_Threaded_End_Steel_Pipe--3832766_3833244.html]]></link><description><![CDATA[buyer&apos;s request Packing: Supplied in metal strapped bundles Ends of bundles wrapped in polythene payment terms: L/C at sight or T/T delivery time : within two months Certificate:ISO9001,UL,FM 
]]></description><pubDate><![CDATA[20100923]]></pubDate></item>
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<title><![CDATA[304 316 Stainless Steel Seamless Pipes]]></title><link><![CDATA[https://cn04036056.en.ec21.com/304_316_Stainless_Steel_Seamless--9942839_9973724.html]]></link><description><![CDATA[certificate,PED certificates from Lloyd&amp;#39;s Register Quality Assurance as well.We can produce stainless steel pipes,such as 304/304L,316/316L,321,321H,317/317L,347/347H,310S,2205/S31803 duplex stee]]></description><pubDate><![CDATA[20160513]]></pubDate></item>
<item>
<title><![CDATA[Api 5ct Casing Pipe]]></title><link><![CDATA[https://reandy2000.en.ec21.com/Api_5ct_Casing_Pipe--6742807_6742808.html]]></link><description><![CDATA[to 50mm Certificates:ISO,API,SGS,CCC,CE,etc If you are interested ,please give me an answer ,then I will send our price sheet to you.
We are looking forward to your prompt reply. Yours faithfully, 
]]></description><pubDate><![CDATA[20120529]]></pubDate></item>
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<title><![CDATA[Big Diameter Seamless Carbon Steel Pipe 24]]></title><link><![CDATA[https://pipefitting0086.en.ec21.com/Big_Diameter_Seamless_Carbon_Steel--6462234_6525494.html]]></link><description><![CDATA[seamless carbon steel pipes 
1)O.D. 24&quot;, W.T. sch5s to xxs 
2)masterial a106 a53 and so on 
3)certificated by ISO
Tolerance
OD +1% /-1%, .thickness +12.5% / -10%. Length 2mm
standard
GB8162&amp;mdash;199]]></description><pubDate><![CDATA[20160624]]></pubDate></item>
<item>
<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[Certificate
ISO/SGS/BV/Lloyd/ABS/CCS/RINA/GL/DNV
Description:
For the steel to withstand the pressure to the hydraulic test to test its ability and quality, leakage, soaked or expansion for qualified]]></description><pubDate><![CDATA[20180528]]></pubDate></item>
<item>
<title><![CDATA[Polyethylene Coating Pipe]]></title><link><![CDATA[https://samkun.en.ec21.com/Polyethylene_Coating_Pipe--6933502_6933506.html]]></link><description><![CDATA[of abrasion, so replacement period is three times longer than other pipes.
Certificate of designation of excellent product (PE Coating Pipe) 
Certificate of K mark 
Certificate of Kun mark
]]></description><pubDate><![CDATA[20130806]]></pubDate></item>
<item>
<title><![CDATA[Structural Hollow Sections/Square and Rectangular Hollow Sections]]></title><link><![CDATA[https://tiffanyjianhesteel.en.ec21.com/Structural_Hollow_Sections_Square_and--10292317_10292352.html]]></link><description><![CDATA[S235J2H, S355JRH, S355J0H, S355J2H, S355NH 
ASTM A500: Grade A&amp;B&amp;C 
JISG3466: STK400, STK490 
JISG3444: STK400, STK490, STK500 
Certificate we have: 
CE certificate 
ISO9001 
ISO18001 
EN1090 
]]></description><pubDate><![CDATA[20170206]]></pubDate></item>
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<title><![CDATA[AS ERW STEEL PIPES,A252 ERW CS Pipes,ERW Steel Pipe As EN10219,ST52 ERW Pipes]]></title><link><![CDATA[https://senhaisteelpipe.en.ec21.com/AS_ERW_STEEL_PIPES_A252--10842427_10842443.html]]></link><description><![CDATA[Certificates to be furnished for all pipes as EN10204-3.1B
H.S.Code: 7305, 7306,
ERW steel pipes are general used in a wide range of industries including:
Oil, gas, geothermal,
Petrochemical
Mechanic]]></description><pubDate><![CDATA[20230901]]></pubDate></item>
<item>
<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[Certificates
API5CT, ISO 9001:2008
Surface Treatment
black paint, varnish, oil, galvanized, anti corrosion coatings
Marking
Standard marking, or according to your request.
Pipe Ends
Under 2 inch plai]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
<item>
<title><![CDATA[Cladded Tubeexchanger SA516GR70+C71500]]></title><link><![CDATA[https://janus2019.en.ec21.com/Cladded_Tubeexchanger_SA516GR70_C71500--11013043_11043953.html]]></link><description><![CDATA[certificate.
Our advantage is that we own our
explosive plant in the mountain which is strictly controlled by local
government, we provide explosive OEM service for many domestic clad plate
manufactu]]></description><pubDate><![CDATA[20230814]]></pubDate></item>
<item>
<title><![CDATA[Seamless Steel Pipe]]></title><link><![CDATA[https://130902198201260915.en.ec21.com/Seamless_Steel_Pipe--8027751_8027752.html]]></link><description><![CDATA[Certification successfully.
At present, Galaxy steel Pipe has set up branches in Guangzhou, Beijing, Wuhan, Anhui etc. in China. We have export license in international trade and have set up sales ag]]></description><pubDate><![CDATA[20140701]]></pubDate></item>

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