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<title><![CDATA[EC21 Product Catalogs - hard tubes]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/hard_tubes--2842/1/hard tubes.html]]></link><item>
<title><![CDATA[Alloy Steel Seamless Pipe for Geological Oil Drill Pipe, AISI / SAE 4130 4140 30CrMo]]></title><link><![CDATA[https://lunbaosteeltubes.en.ec21.com/Alloy_Steel_Seamless_Pipe_for--11849819_11869135.html]]></link><description><![CDATA[hardness) and nice torsion-resistant.
Main standards: ASTM A519, DIN.
Main materials: 4130, 4135, 4140, 30CrMo, 35CrMo, 42CrMo, 34CrMo4. O.D. 30 to 127mm, W.T. 5 to 13mm For QT condition: Teile stren]]></description><pubDate><![CDATA[20241120]]></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[tubes
Test
Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Technical Properties
(Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Te]]></description><pubDate><![CDATA[20240821]]></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[tubes
Tensile strength (MPa)
Yield strength (MPa)
Elongation (%)
Hardness
API SPEC 5CT
J55
&amp;ge;517
379~552
check the table
&amp;le;241HB
K55
&amp;ge;517
&amp;ge;655
N80
&amp;ge;689
552~758
L80(13Cr)
&amp;ge;655
552~655
]]></description><pubDate><![CDATA[20170304]]></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[Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive Test,Hydrostatic Test;
Mobile: +86 138 128 775 59 --&gt;Terry(Chief Business Executive Officer) 
Email : tubesolution at sina com 
]]></description><pubDate><![CDATA[20180418]]></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[hard
(Cold-finished as-drawn)BK (+C)No heat treatment after the last cold-forming process. The tubes therefore have only low deformability.Cold-finished/soft
(lightly cold-worked)BKW (+LC)After the l]]></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[tube also includes improved machining characteristics and Brinell hardness.Specific manufacturing controls are used for surface preparation, chemical composition, rolling and heating processes. All t]]></description><pubDate><![CDATA[20230920]]></pubDate></item>
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<title><![CDATA[ASTM A335 Standard High Temperature Boiler Pipe Seamless Alloy Pipe]]></title><link><![CDATA[https://sanonpipe1.en.ec21.com/ASTM_A335_Standard_High_Temperature--11841311_11841313.html]]></link><description><![CDATA[Tubes With An Outer Diameter Greater Than 22 Mm Shall Be Subjected To A Flattening Test. No Visible Delamination, White Spots, Or Impurities Should Occur During The Entire Experiment.
Hardness Test:
]]></description><pubDate><![CDATA[20230904]]></pubDate></item>
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<title><![CDATA[Hydraulic Cylinder Tubes, Steel ST52.3, ID Honing Tolerance H8]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Hydraulic_Cylinder_Tubes_Steel_ST52.3--11537181_11659217.html]]></link><description><![CDATA[Tubes. The processing of the hydraulic cylinder tubes is determined by the size, mold available and the request of the customer.
Hydraulic cylinder tube is known as hydraulic cylinder barrel also.
Ma]]></description><pubDate><![CDATA[20221019]]></pubDate></item>
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<title><![CDATA[9.0mm Stainless Steel Tubes Seamless]]></title><link><![CDATA[https://steelcoilstrip.en.ec21.com/9.0mm_Stainless_Steel_Tubes_Seamless--11878018_11878019.html]]></link><description><![CDATA[PRODUCT DESCRIPTION304 Stainless Steel Pipe Large Diameter Thick Wall Pipe Industrial PipeBest Buy Stainless Steel Tubes Seamless Pipes Hollow Section Grooved Cold Drawn ASTM A312 304 304L 316L Thick]]></description><pubDate><![CDATA[20231220]]></pubDate></item>
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<title><![CDATA[Explosion Bonded Clad Plate]]></title><link><![CDATA[https://gallianz.en.ec21.com/Explosion_Bonded_Clad_Plate--11858614_11858625.html]]></link><description><![CDATA[hard to separate or crack during the hot treatment, leveling, cutting, coiling, flow forming etc.
The Explosion Bonded Clad Plate thickness range is wider: The surface square is 6.45cm²~78.87m², it]]></description><pubDate><![CDATA[20231025]]></pubDate></item>
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<title><![CDATA[Automobile Flange Pipe Tube]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/Automobile_Flange_Pipe_Tube--11452237_11452238.html]]></link><description><![CDATA[Automobile Flange Pipe Tube
1. Standard
Steel Standard：JIS G 4305
Size Standard：JAPHLC7.0-EX-ES-002
2.SUS410 Chemical Component
Element
C
Mn
P
S
Si
Min
0.17
0.35
0.17
Max
0.23
0.65
0.025
0.012
0.]]></description><pubDate><![CDATA[20210929]]></pubDate></item>
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<title><![CDATA[BS 1139 Scaffolding Tube]]></title><link><![CDATA[https://threewaysteel.en.ec21.com/BS_1139_Scaffolding_Tube--4978487_6001135.html]]></link><description><![CDATA[Scaffolding Tube 
Use: Scaffolding is a temporary structure used to support people and material in the construction or repair of buildings and other large structures. Material Storage Racks, Pallets,]]></description><pubDate><![CDATA[20111115]]></pubDate></item>
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<title><![CDATA[Gammaplus 200E]]></title><link><![CDATA[https://sidergamma.en.ec21.com/Gammaplus_200E--11145718_11145888.html]]></link><description><![CDATA[Hard chrome plated cold drawn steel seamless tubes GAMMAPLUS 200 E 
200 hours corrosion resistance NSS rating 9
Chrome layer min 25µm
NSS – Neutral salt spray test according to ISO 9227
Rating eva]]></description><pubDate><![CDATA[20200521]]></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[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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