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<title><![CDATA[EC21 Product Catalogs - structural materials]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/structural-materials--2842/1/structural materials.html]]></link><item>
<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[Structural Tubes S355J0 S355JR S355J2
Material S355J0,S355JR,S355J2
Standard EN10219
Certificate ISO9001:2015,CE,FPC
Section Shape RHS,SHS,CHS
Outer Diameter 15mm-1500mm
Wall Thickness SCH10,SCH20,SC]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[China OEM 30mm Galvanized Hollow Section Structural Steel Pipe Supplier]]></title><link><![CDATA[https://ropregal.en.ec21.com/China-OEM-30mm-Galvanized-Hollow--12036094_12036163.html]]></link><description><![CDATA[structure etc.
Galvanized
Hollow Section Structural Steel Pipe balances design and
functionality, offering simplicity with depth. We are meticulous in details and
strive for perfection.. Recognizing ]]></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[Diverse Range of Applications: This square tube is suitable for various applications, including structure pipe, with options for different materials such as Q195, Q235, S235JR, and Q345, ensuring ver]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Hot Dipped Galvanized Steel Pipe]]></title><link><![CDATA[https://tjsinosteel.en.ec21.com/Hot-Dipped-Galvanized-Steel-Pipe--11090280_11090296.html]]></link><description><![CDATA[material 
S195GT; S235GT; S355JOH; Q195; Q235; Q345 
Standard 
EN39; EN10219; EN10255; ASTM A53; BS1387:1985 
Surface treatment 
hot-dipped galvanized/Painting/Oiled 
Section shape 
round 
Delivery 
]]></description><pubDate><![CDATA[20240919]]></pubDate></item>
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<title><![CDATA[Square Tube]]></title><link><![CDATA[https://hongyuansteelpipe.en.ec21.com/Square-Tube--12006202_12006206.html]]></link><description><![CDATA[materials: We use high-quality steel to ensure that the product has good strength and durability.
3. Flexible surface treatment: Provide a variety of surface treatment options to meet the needs of di]]></description><pubDate><![CDATA[20240918]]></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[materials and processed through cold drawing or hot rolling without adding welding materials. The inner and outer surfaces are smooth, the dimensions are precise, and they can meet the requirements o]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
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<title><![CDATA[Ss 304 Square Pipe]]></title><link><![CDATA[https://huntersteels.en.ec21.com/Ss-304-Square-Pipe--11825467_11936707.html]]></link><description><![CDATA[materials, stainless steel has the advantages of simplicity, grandeur, rust resistance, and durability, making it the darling of home decoration.
2. Public facilities
The demand for stainless steel d]]></description><pubDate><![CDATA[20240514]]></pubDate></item>
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<title><![CDATA[API 5L GR.B Steel Pipe]]></title><link><![CDATA[https://amgtang123.en.ec21.com/API-5L-GR.B-Steel-Pipe--11932822_11932823.html]]></link><description><![CDATA[Water Pipe, Structural Tube, Fluid Pipe, Boiler Pipe, Oil and Gas Transportation Pipe, Mechanical Structure Pipe
Pipe fittings : Tee, Reducer, Flange, Elbow, cap, weldolet, coupling, sockolet.
]]></description><pubDate><![CDATA[20240506]]></pubDate></item>
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<title><![CDATA[Rhs Hollow Section Rectangular Zinc Coating Gi Iron]]></title><link><![CDATA[https://sdhj888.en.ec21.com/Rhs-Hollow-Section-Rectangular-Zinc--11922780_11924894.html]]></link><description><![CDATA[structural hollow sections finegrain steels Steel Grade S235, S235JR, S235 G2H, S275, S275JR, S355JRH ,S355J2H, St33, St37, St44, ST52,JIS G3444 STK290,STK400,STK500,STK490,STK540, Steel Material Q19]]></description><pubDate><![CDATA[20240415]]></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[Product Name
carbon steel coil
Wall Thickness
0.17mm-1.7mm
Width
600mm-1250mm
Tolerance
Thickness:±0.03mm, Width: ±50mm, Length: ±50mm
Material
A36,A53,ASTM A106,JIS S400Q235B,Q235C,Q235D,Q345E,Q3]]></description><pubDate><![CDATA[20240415]]></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[structural or heavy-duty applications.
These are just a few classifications of stainless steel sheets, and there may be other classifications based on specific requirements or standards.
Stainless St]]></description><pubDate><![CDATA[20240401]]></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[Materials
Q235A, Q235B, 10#, 20#, Q345(16Mn), L245(B), L290(X42), L320(X46), L360(X52), L390X56), L415(X60), L450(X65), L485(X70), L555(X80), L290NB/MB(X42N/M), L360NB/MB(X52N/M), L390NB/MB(X56N/M), ]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Elevator Guide Rail]]></title><link><![CDATA[https://fujischelevator.en.ec21.com/Elevator-Guide-Rail--11852674_11907988.html]]></link><description><![CDATA[Elevator rails
are structural elements that support the operation of elevators. They are usually made of steel material and installed in the elevator shaft. The design and manufacturing quality of li]]></description><pubDate><![CDATA[20240301]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipes]]></title><link><![CDATA[https://weijunwei.en.ec21.com/Seamless-Steel-Pipes--1662380_3088111.html]]></link><description><![CDATA[structure, hydraulic pressure, pneumatic
linear actuator
3) Material: 10#, 20#, 35#, 45#, 16Mn, A106Gr.A, A106Gr.B and low alloyed steel
OEM? can available
Packing:export standard package 
anti-press]]></description><pubDate><![CDATA[20191014]]></pubDate></item>
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<title><![CDATA[Steel Frame Farm Buildings]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Steel-Frame-Farm-Buildings--11653940_11653949.html]]></link><description><![CDATA[structural performance, short construction period, strong wind resistance and seismic performance. In the case of earthquake, typhoon and other disasters, the steel structure can effectively avoid th]]></description><pubDate><![CDATA[20221011]]></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[materials pipeline. It is widely used in the manufacture of structural and mechanical parts, such as oil drill pipe, automobile transmission shaft,bicycle frame and steel scaffolding used in construc]]></description><pubDate><![CDATA[20231107]]></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[structural steel tubes for automobiles, tractors and aviation. Specification: Place of Origin:
Shandong, China
Brand Name:
ZHENG SHEN
Application:
Fluid Pipe, Structure Pipe
Alloy Or Not:
Non-Alloy
S]]></description><pubDate><![CDATA[20231129]]></pubDate></item>
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<title><![CDATA[Seamless Pipe]]></title><link><![CDATA[https://seagull003.en.ec21.com/Seamless-Pipe--7503074_7503156.html]]></link><description><![CDATA[Material A106 Gr A,B,A53 Gr B,ASTM A179,A315B,A335 P11,A335 P22,A335 P5 OD 1/4&quot;-40&quot;,13mm-1000mm WT:,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS Usage Structure Use, water transport, Buildi]]></description><pubDate><![CDATA[20130107]]></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[structural requirements like hand rails and pipe bollards.
William Murdoch is thought to be the pioneer of steel pipes, when he joined barrels of muskets together to invent a coal lamp burning system]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[TPCO Stock Seamless Pipe - ASTM/ASME A/SA106Grade B]]></title><link><![CDATA[https://tianjinpipe.en.ec21.com/TPCO-Stock-Seamless-Pipe--11737463_11737464.html]]></link><description><![CDATA[Material:Carbon Steel ASTM A106 Gr.B
Specification:
Standard
Material
chemical composition(%)
C
Si
Mn
P
S
Cu
Ni
Mo
Cr
ASME B36.10M
ASTM A106B
ASTM A53B
API5LB
0.17~0.24
0.17~0.37
0.35~0.65
≤0.035
]]></description><pubDate><![CDATA[20230301]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Seamless-Steel-Pipe--10972930_10972944.html]]></link><description><![CDATA[materials, such as pipelines. Compared to the steel pipe and round steel solid steel bending torsional strength phase at the same time, the weight is lighter, is a kind of economic cross section stee]]></description><pubDate><![CDATA[20240109]]></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[Materials
*Design pressures for alternate tubing materials may be calculated using the Lame formula as follows: P=S((D2-d2)/(D2+d))where:
D= nominal outside diameter of tubing
d= nominal inside diame]]></description><pubDate><![CDATA[20211009]]></pubDate></item>
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<title><![CDATA[API 5L ASTM 106 Q235 Q345 Carbon Welded LSAW Steel Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/API-5L-ASTM-106-Q235--11032076_11103706.html]]></link><description><![CDATA[API 5L ASTM 106 Q235 Q345 Carbon Welded LSAW Steel Pipe
Pipe
Type:Longitudinal Welded Pipe,Longitudinal Submerged Arc Welded Pipe 
Application:Used for Fluids Transmission ,Structural Support in indu]]></description><pubDate><![CDATA[20200414]]></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[Material
EN s235jr s275jr s355jr
Applicaition
structure or other industry
Surface
Black
Inspection
With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test,
Dimensional and Visua]]></description><pubDate><![CDATA[20170209]]></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[Seamless Steel Pipe]]></title><link><![CDATA[https://hehe1029.en.ec21.com/Seamless-Steel-Pipe--5479504_5496528.html]]></link><description><![CDATA[Material and standard
Item
Chinese Standard
American standard
German standard
1
10#
A53A
St37
DIN 1626
A106A
St37-2
DIN17175
A179C
St35.8
DIN17175
2
20#
ASTM A106B
St45-8
DIN 17175
ASTM A53B
St45-4
D]]></description><pubDate><![CDATA[20190506]]></pubDate></item>
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<title><![CDATA[ASTM A106Gr.B/A53 Carbon Steel Seamless Steel Pipe]]></title><link><![CDATA[https://reynzhang364.en.ec21.com/ASTM-A106Gr.B-A53-Carbon-Steel--11812684_11824648.html]]></link><description><![CDATA[materials.
Compared with solid steel such as round steel, steel pipe has the same bending and torsional strength and is lighter in weight. It is a kind of economic cross-section steel, widely used in]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
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<title><![CDATA[42CrMo Hot Rolled Alloy Seamless Steel Pipe]]></title><link><![CDATA[https://haihuisteel.en.ec21.com/42CrMo-Hot-Rolled-Alloy-Seamless--11814565_11814567.html]]></link><description><![CDATA[material in Chinese standard GB/T 3077, specification of alloy structural steel.
42CrMo alloy steel pipe belongs to ultra-high-strength steel pipe, with high strength and toughness, good hardenabilit]]></description><pubDate><![CDATA[20230703]]></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[Structural integrity: The high-frequency welding process produces pipes with excellent dimensional accuracy and uniformity, ensuring structural integrity and reliability in demanding applications.
Ov]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
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<title><![CDATA[Welded S235JO Round Steel Pipe]]></title><link><![CDATA[https://wendaozhe.en.ec21.com/Welded-S235JO-Round-Steel-Pipe--9876148_9887572.html]]></link><description><![CDATA[Material; 
Standard: GB, ASTM, DIN, JIS, AISI, BS; 
Steel Type: Carbon Structural Steel 
Forming: Hot Rolled Steel; 
Connection Form: Welded Connection; 
Trade term: FOB, CFR, CIF. 
Payment term: T/T]]></description><pubDate><![CDATA[20160817]]></pubDate></item>
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<title><![CDATA[Industrial/Engineering Conventional Seamless Steel Pipes]]></title><link><![CDATA[https://csco12138.en.ec21.com/Industrial-Engineering-Conventional-Seamless-Steel--11873243_11873397.html]]></link><description><![CDATA[Material : GR.A, GR.B, X42, X46, X52, N80, N80Q, L80-1, S355JOH, S355J2H,
St44.0, P265GH, P265TR1Application: Chilled Water Pipe,Drinking Water Pipe,Waste Water Pipe,Structural Tube,Fluid Pipe,Oil an]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Steel Pipes]]></title><link><![CDATA[https://gviesteel.en.ec21.com/Steel-Pipes--11853301_11853302.html]]></link><description><![CDATA[Steel pipes, also known as steel tubes or steel conduits, are tubular products used for conveying liquids, gases, solid materials, or for structural and mechanical applications. Steel pipes are typic]]></description><pubDate><![CDATA[20231011]]></pubDate></item>
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<title><![CDATA[Structural Steel Pipe GOST8731-74]]></title><link><![CDATA[https://tefu888.en.ec21.com/Structural-Steel-Pipe-GOST8731-74--11750485_11750489.html]]></link><description><![CDATA[Structural steel pipe GOST8731-74 
Product Description 
Carbon steel pipe can be divided into seamless steel pipe, straight seam steel pipe, spiral steel pipe, high-frequency welded steel pipe, etc. ]]></description><pubDate><![CDATA[20230317]]></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[structures pipes for docks, bridges and other basic pile.
Outside diameter：Φ219-2820mm 
Wall thickness：5-35mm 
Standard：API5L, API5CT, ASTM-A106,ASTM-A53, SY5037-2000, GB/T3091, BS1387-85, JIS]]></description><pubDate><![CDATA[20201216]]></pubDate></item>
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<title><![CDATA[Two Component Photosensitive Fast Curing Reinforcing Adhesive]]></title><link><![CDATA[https://wenlimin198987.en.ec21.com/Two-Component-Photosensitive-Fast-Curing--11808570_11808600.html]]></link><description><![CDATA[materials.
Product Features
1. Eliminating the limitations of UV curing prepreg materials on reinforced fabrics, allowing users to freely choose a combination of fiberglass fabric;
2. Better applicab]]></description><pubDate><![CDATA[20230619]]></pubDate></item>
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<title><![CDATA[LSAW Hollow Sections/Big Size Pipes in One Weld]]></title><link><![CDATA[https://tiffanyjianhesteel.en.ec21.com/LSAW-Hollow-Sections-Big-Size--10292317_10292320.html]]></link><description><![CDATA[materials. 
We have more than 45, 000 sqm of fabrication workshops, with facilities of flame cutting machine, sub-merged arc welding machine, production line of high frequency welded H beams, product]]></description><pubDate><![CDATA[20170206]]></pubDate></item>
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<title><![CDATA[SMLS STEEL PIPE,Q345 Seamless Steel Pipe,SA213 Seamless Steel Pipe,P9 Seamless Steel Pipe]]></title><link><![CDATA[https://senhaisteelpipe.en.ec21.com/SMLS-STEEL-PIPE-Q345-Seamless--10842427_10842436.html]]></link><description><![CDATA[Structural and construction
Subsea/water drilling
Fire-fighting system
Water supply and drainage
Ship building
Boiler industriesTop quality: with all necessary tests as relative standards: Hydrostati]]></description><pubDate><![CDATA[20230901]]></pubDate></item>
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<title><![CDATA[ASTM A213 SCH 80 Hot Rolled Stainless Steel Pipe]]></title><link><![CDATA[https://huaxipipe.en.ec21.com/ASTM-A213-SCH-80-Hot--11560540_11665436.html]]></link><description><![CDATA[Material:TP321/321HSchedule: 80/80SAcc. To ANSI B36.19/36.10O. D.: 6mm to 508mmW. T.: 0.5mm to 40mmLength: Max. 20 metersDelivery conditions: Solution Annealed and PickledInspection: ISO 9001-2000, P]]></description><pubDate><![CDATA[20221029]]></pubDate></item>
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<title><![CDATA[Ductile Iron Pipes]]></title><link><![CDATA[https://sxsld.en.ec21.com/Ductile-Iron-Pipes--10635842_10635957.html]]></link><description><![CDATA[materials test ) 
b) Mg treatment (Micro &amp; chemical composition test) 
c) Pipe spinning (Temperature test) 
d) Heat treatment (Micro structure; Flattening test) 
e) Zinc coating (Thickness testing) 
]]></description><pubDate><![CDATA[20200508]]></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[structure,
chemical, air conditioning,etc.
Standard
ASTM, A53, BS, GB
Material
Q235 Q345 L245 L290 L360 L450
Quality
First grade
others
1. special design according to your requirements.
2. anti- corr]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
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<title><![CDATA[AISI 439 Stainless Steel Seamless Round Tubes Cold Rolled SS  Seamless Tube  2&quot; SCH XXS]]></title><link><![CDATA[https://daisy1823.en.ec21.com/AISI-439-Stainless-Steel-Seamless--11839306_11858001.html]]></link><description><![CDATA[materials. 439 stainless steel is a stable ferritic stainless steel (chromium content 17.0 min, max 19.0 max). Its chromium (Cr) content is higher than that of 409 stainless steel, thus improving cor]]></description><pubDate><![CDATA[20231024]]></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[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, no obvious temper brittleness]]></description><pubDate><![CDATA[20221019]]></pubDate></item>
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<title><![CDATA[S235JR Steel Pipe]]></title><link><![CDATA[https://tianchuangpipe.en.ec21.com/S235JR-Steel-Pipe--11666079_11666089.html]]></link><description><![CDATA[What is Grade S235JR Structural Steel?
Structural steel is a standard building material made from specific grades of steel and molded to a series of industry-standard sectional shapes (or &quot;sections&quot;)]]></description><pubDate><![CDATA[20221031]]></pubDate></item>
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<title><![CDATA[Carbon Steel Pipes for Machine Structural Use]]></title><link><![CDATA[https://skksteel.en.ec21.com/Carbon-Steel-Pipes-for-Machine--6826349_7057261.html]]></link><description><![CDATA[Maker name
Spec. to apply
Material
Usage 
Lead Time (Cargo ready condition)
JIS
ASME/ ASTM
JFE
ASTM ASME JIS DIN
G3445
STKM11A
A513
MT1010
Carbon steel pipes for Machine Structural Use
3~4 months aft]]></description><pubDate><![CDATA[20130703]]></pubDate></item>

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