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<title><![CDATA[EC21 Product Catalogs - under grade]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/under_grade--2842/1/under grade.html]]></link><item>
<title><![CDATA[JIS G3454 Carbon ERW Steel Pipe Pressure Service]]></title><link><![CDATA[https://botop123456.en.ec21.com/JIS_G3454_Carbon_ERW_Steel--11941411_11953946.html]]></link><description><![CDATA[under this specification is for pressure service at an approximate maximum temperature of 350℃。 
Manufacture: Electric resistance welded pipe
Size: O.D.: 15.0～660mm W.T.: 2～20mm
Grade: STPG37]]></description><pubDate><![CDATA[20240619]]></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[grades of carbon and alloy steel mechanical tubing
.
Application of ASTM A179/SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Condenser Tubes
Pipe ordered under this specification is fo]]></description><pubDate><![CDATA[20240605]]></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[under vacuum.NormalizedNBK (+N)The tubes are annealed above the upper transformation point in a controlled atmosphere or under vacuum.
Cylinders seamless steel pipe are suitable for Hydraulic Cylinde]]></description><pubDate><![CDATA[20221031]]></pubDate></item>
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<title><![CDATA[Pressure Vessels Clad Plate]]></title><link><![CDATA[https://gallianz.en.ec21.com/Pressure_Vessels_Clad_Plate--11858614_11903232.html]]></link><description><![CDATA[pressure vessel plate suppliers
pressure vessel steel plate supplier
pressure vessel plate material
pressure vessel steel grades
PRESSURE VESSELS CLAD PLATE
What is a pressure vessel quality steel
? ]]></description><pubDate><![CDATA[20240218]]></pubDate></item>
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<title><![CDATA[Astm A213 Gr T5 T12 T91 A192 Seamless Boiler Tubes Manufacturers 10# 20# 45#]]></title><link><![CDATA[https://seamlesssteeltubecom.en.ec21.com/Astm_A213_Gr_T5_T12--11863743_11863744.html]]></link><description><![CDATA[Product Description10# 20# 45# ASTM A213 A192 Carbon Steel Seamless Boiler Tube
Specifications
Steel Grade10#, 20#, 45#, A106(B,C), A213, A192, Q235, Q345, Q195, Q215, Q345C, Q345A, ASTM, A53A/A53B/A]]></description><pubDate><![CDATA[20231107]]></pubDate></item>
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<title><![CDATA[ASTM B444 Inconel 625 Seamless Welded Pipe  UNS N06625/ with Cold-Worked]]></title><link><![CDATA[https://daisy1823.en.ec21.com/ASTM_B444_Inconel_625_Seamless--11839306_11862229.html]]></link><description><![CDATA[under ASTM B444 UNS N06625 specification often indicates that these pipes have a seamless construction.
Chemical composition
GradeCMnSiSCuFeNiCrASTM B 444 UNS N066250.10max0.50 max0.50 max0.015max–]]></description><pubDate><![CDATA[20231103]]></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[Grade Of High-Quality Alloy Pipe :P5,P9,P11,P22,P91,P92 Etc
Test RequirementHydraustatic Test:
The Steel Pipe Should Be Tested Hydraulically One By One. The Maximum Test Pressure Is 20 MPa. Under The]]></description><pubDate><![CDATA[20230904]]></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[grade, it is a kind of alloy structural steel, equivalent to China standard GB 42CrMo.SAE 4140 alloy steel has high fatigue strength and low notch sensitivity, high low temperature impact toughness, ]]></description><pubDate><![CDATA[20221019]]></pubDate></item>
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<title><![CDATA[Steel Pipe Product | Factory Supply Cylindrical Shape Steel Pipe Product for Sale]]></title><link><![CDATA[https://songshunsteel.en.ec21.com/Steel_Pipe_Product_Factory_Supply--11800372_11800391.html]]></link><description><![CDATA[grades below to get started. Or contact your closest store for assistance with metal sourcing.
What We Do
Providing Steel Round Bar &amp; SheetWe specialized in steel as a professional steel manufacturer]]></description><pubDate><![CDATA[20230601]]></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[Grade
A106(B,C), A53(A,B), Q195, Q215, Q235, Q345 
Technique
ERW 
Surface Treatment
Galvanized 
Section Shape
Round 
Package
Bundle, In Bulk, Bags, Clients&apos; Request 
Date of Delivery
According To The]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[DOM Seamless Tubes]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/DOM_Seamless_Tubes--11456488_11456490.html]]></link><description><![CDATA[DOM Seamless Tubes 
DOM Tubing (Drawn over Mandrel) is a cold drawn 1020 to 1026 or ST52.3 grade seamless steel tube to drawing to size. Cold drawing DOM to size allows for higher yield and tensile s]]></description><pubDate><![CDATA[20211009]]></pubDate></item>
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<title><![CDATA[API 5L Spiral Steel Pipe   Liquid Gas Transportation Welded Steel Pipe for Sale]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/API_5L_Spiral_Steel_Pipe--10987617_10987633.html]]></link><description><![CDATA[API 5L Spiral Steel Pipe Liquid Gas Transportation Welded Steel Pipe For Sale
Spiral steel pipes
are made by steel coil, extrusion forming under the normal temperature, then taken the technology of d]]></description><pubDate><![CDATA[20240319]]></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[under high pressure, high precision, high finish, no deformation during cold bending, flaring, flattening and no cracks, etc., 20cr precision steel pipes are widely used in automobiles, motorcycles, ]]></description><pubDate><![CDATA[20231225]]></pubDate></item>
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<title><![CDATA[Api 5l X65m PSL2 Lsaw/Dsaw Pipe]]></title><link><![CDATA[https://robertyin.en.ec21.com/Api_5l_X65m_PSL2_Lsaw--10682856_10683013.html]]></link><description><![CDATA[grade
others
1. special design according to your requirements.
2. anti- corrosion and high temperature resistant with
blank painting.
3. all the production process are made under the ISO
9001:2000 st]]></description><pubDate><![CDATA[20191012]]></pubDate></item>

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