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Steel Products Steel Pipe Tube Natural Gas Seamless Alloy Pipe High Pressure Smls Steel Pipe

East Ai Machinery Co., Limited

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Product Description Factory IntroductionINTRODUCTION OF COMPANY - ONE OF LEADING HYDRAULIC CYLINDER HONED TUBE SUPPLIERS IN CHINA Our company EASTAI is one of the leading China hydraulic honed tube suppliers and manufacturers located in Wuxi, Jiangsu. Our factory manufactures and supplies hone tubes (honed pipe) in a wide range of dimensions in material SAE1020, ST52, SAE1045, 4140 and stainless steels for nearly 30 years. Our company covers an area of about 20000 square meters, and consist of a hydraulic cylinder honed tube factory and a factory for hard chrome plated shafts and chrome plated od tubing.There are around 180 workers in our company and about 20 of those in charge of quality and technologies. OUR ADVANTAGES * Rich and mature manufacturing experience: our factory has nearly 15 years manufacturing experience for honed cylinder tube (honed id tubing);* Advanced manufacturing equipment and facilities, including: cold drawing machine, cold rolling machine, honing machine, skiving & roller burnishing machine, straightening machine, polishing machine, heat treatment furnace, grinding machine, cutting machine, etc. Our professional engineers do regular scheduled maintenance on these machines to guarantee them work well.* High quality raw material: our raw materials for honed cylinder tube are mainly from the famous China steel makers, such as TPCO, SHA STEEL, BAO STEEL, which are best and largest steel manufacturers in China.* High precision: Our honed tubes are manufactured with high dimension precision, tolerance can be ISO H7, H8 or H9, H10, depends on the sizes and customers' request. Which ensures the precision of the hydraulic cylinders.* Reliable Packing: All the honed pipe will be oiled by the anti-rust oil before delivery. And to protect the inner diametersurface of the honed ID tubing, we will cap the tube ends with plastic end caps, or if customer request we can weld a steel cap to protect the inner diameter of the honed id tubing during loading and unloading. And then the honed pipes will be packed with seaworthy package such as wooden cases or plastic bags.* Strictly quality control: Our factory has a QC team of more than 10 persons. Every honed cylinder tube will be inspected before shipment. The inspections are carried according to corresponding standards and customers' requests, main test which including: Chemical Analysis Test, Tensile Test, Dimension Inspection, Roughness Test, Chrome plated thickness test, straightness inspection, and other tests according to standards and cusotmer's requirements.* Mature quality management system: our Total quality management system ensures all the working processes related to product quality are in good control. We have been exporting our honing cylinder tubes to customers in many countries for the applications of hydraulic cylinders for various machines, and other applications. We had gained very good reputation from our customers in China and abroad countries such as USA, Canada, Mexico, Colombia, Saudi Arabia, UAE, South Africa, Russia, Belarus, Thailand, Indonesia, Vietnam, Australia, Ukraine, Brazil, Turkey, Korea, New Zealand, Singapore, Kuwait and so onIntroducing our cutting-edge Cylinder Pipe designed for natural gas transportation, embodying precision engineering with the robustness of seamless steel construction. This Precision Tube is crafted using superior SMLS (Seamless Metal Layering System) technology, ensuring a flawless alloy steel structure that guarantees both durability and optimal performance under demanding conditions.Our seamless steel tube is tailored specifically for the efficient transport of natural gas. With an impeccable design to withstand high pressures and corrosive environments typically associated with natural gas pipelines, this pipe offers exceptional reliability. The alloy steel composition enhances its strength and flexibility, making it an ideal choice for both underground and overland natural gas pipelines.The seamless construction of the tube not only prevents any potential weak spots that could lead to leaks or bursts but also maintains a consistent diameter throughout its length, ensuring smooth gas flow with minimal resistance. This feature is critical in maintaining the integrity and efficiency of natural gas transportation systems, significantly reducing maintenance costs and downtime.The precision in the manufacture of this pipe extends to its dimensional accuracy. Our tube comes in a variety of sizes and thicknesses, which can be customized to meet specific requirements and standards of the energy sector. This customization capability allows for seamless integration into existing pipelines and infrastructure, making upgrades and replacements efficient and cost-effective.Moreover, the manufacturing process of our SMLS alloy steel pipe adheres to stringent quality controls, ensuring that each piece meets international safety and performance standards. We conduct rigorous testing on all our pipes, including hydrostatic testing, ultrasonic testing, and x-ray inspections, to ensure they can handle the specified pressures and loads without failure.This cylinder pipe is not just a conduit for transporting natural gas; it is a long-term investment in the safety and efficiency of your energy infrastructure. Its superior design and construction make it a standout choice for energy companies looking to enhance their system's reliability and performance. Whether you are constructing a new network or upgrading an existing one, our seamless steel tube offers the assurance and quality you need in natural gas transportation.Opt for our Precision Tube, the backbone of safe, efficient, and durable natural gas transportation systems. Your choice of our alloy steel pipe represents not just a purchase but a pivotal step towards modernizing and securing your energy supply chain. Product DescriptionHONED TUBE / HYDRAULIC CYLINDER TUBE BRIEF INTRODUCTIONHoned tube is well known as hydraulic cylinder tube in many industries. This is because honed tube is ready to use for hydraulic cylinder applications without further ID processing. This product is the most important materials for manufacturing hydraulic cylinders. And as this kind of tubing is usually honed in tube inside diameter, it is known as honed ID tubing also. Our factory manufactures & supplies honed tube, hydraulic cylinder tubes for nearly 15 years, here below is the details of our product of honed tubes. OVERVIEW OF OUR HONED TUBESPRODUCT NAME: HONED TUBEALSO KNOWN AS PRODUCT NAME: HONED TUBING / CYLINDER TUBE / CYLINDER TUBING / HONED CYLINDER TUBE / HYDRAULIC CYLINDER TUBING / HONED ID TUBING Honed tube for hydraulic cylinder is made of our factory's own cold drawn seamless tube (CDS tube), by honing process or Skiving & Roller Burnishing process. PRODUCT STANDARD:Our honed hydraulic cylinder tube is usually produced according to norms as ASTM A513, DIN 2391, DIN 1630, DIN 1629, EN10305-1, EN 10216-2, A 519, etc on customer's request. SIZE RANGE:We manufacture honed tubes in metric dimensions and imperial dimensions, size range from I.D 30 mm to I.D 500 mm (1.5″ - 20″), Wall thickness 3 - 50 mm (1/8″ - 2″) STEEL GRADES:EASTAI factory manufactures Honed tubes in a wide range of carbon steel and stainless steel grades. CARBON STEEL HYDRAULIC CYLINDER TUBING IS AVAILABLE WITH GRADES AS BELOW:* SAE 1020* SAE 1026* SAE1030/1035* E355, E255, E215, E235* ST52.3, St35, ST 52.4, St 37.4 STAINLESS STEEL HONED TUBE CAN BE SUPPLIED IN GRADES AS BELOW:* TP 304 / 304L* TP316 / 316L* TP 316TiOther steel grades of hone tube /honed pipe is available on customer's request. ADVANTAGES OF EASTAI'S HONED TUBE* High precision tolerances;Our honed tube can meet ID tolerance H7, H8, H9, … etc according to the customer' requirements, and its I.D dimension.* Seamless tube with high pressure resistance;We only use seamless cold drawn tubes to produce honed pipes, which means our honed tubing can work under higher pressure, thus our honed pipes are more reliable for hydraulic cylinder applications.* High Smooth inside surface;The roughness of our honed pipe is Max Ra 0.4 microns ID finish (16Max Ra ID Finish).* Flexible order quantity: we accept small quantity orders, even if there is only one piece of hydraulic cylinder tubing we can produce and supply.* Good weldability: The weldability of our honed steel tubing is very good, this is quite helpful for manufacturing thecylinders. MAIN APPLICATIONS OF HYDRAULIC HONED TUBINGHoned tubing and SRB tubes (skived and roller burnished tubes) are mostly used as cylinder tube, such as hydraulic cylinder tube and pneumatic cylinder tubing, which are widely used for manufacturing and repairing hydraulic cylinders and pneumatic cylinders. As honed tube usually has very accuracy dimension tolerance and good surface smoothness, so this product is also used in applications where precision dimension or high smooth surface is need. For examples, honed tubes are suitable for various kinds of Precision Mechanical Tube, Honed Cylinder Tubing and Hydraulic Cylinder, Construct use Multi Joint Tube, Steel Axis Pipe, Injection Machine and Robotic Arm, and so on. Impeccably crafted to meet the exacting demands of hydraulic systems, our Seamless Precision Rolled Tube Honing Tube Hydraulic Cylinder Tube sets the industry standard for performance, reliability, and precision.Through a meticulous manufacturing process, our honing tube boasts a seamless construction, ensuring uniformity and integrity in every aspect of its design. Each tube is precision-rolled to perfection, resulting in consistent dimensions and exceptional strength, enabling it to withstand the rigors of hydraulic applications with ease.The honing process further refines the interior surface of the tube, achieving a smooth and uniform finish that minimizes friction and maximizes efficiency within hydraulic cylinders. This meticulous honing ensures optimal functionality, enabling seamless operation and precise control in a variety of industrial settings.Engineered from high-quality materials, our hydraulic cylinder tube offers superior durability and corrosion resistance, making it ideal for use in harsh operating conditions. Whether in construction, manufacturing, or machinery, our product delivers unparalleled performance, reliability, and longevity, ensuring uninterrupted operation and minimal downtime.With a steadfast commitment to quality and excellence, our Seamless Precision Rolled Tube Honing Tube Hydraulic Cylinder Tube is subjected to rigorous testing and quality control measures to guarantee compliance with international standards and exceed customer expectations.Choose our honing tube for your hydraulic cylinder needs, and experience the ultimate in precision, reliability, and performance. Size ListEASTAI MANUFACTURES HONED HYDRAULIC CYLINDER TUBE IN FULL RANGE OF METRIC SIZES AND IMPERIAL SIZES. * Metric size honed tubes: I.D 30 mm to I.D 800 mm, Wall thickness 3 - 50 mm* Imperial size honed tubes / inch size honed pipe: 1.5" ID - 30.0" Honed ID; 1/8" - 2" wall thickness* Length: We supply our metric size and imperial size honed tube with random length or fixed length up to 14 meters. Other sizes of our metric honed tubing is available on customer's request.As the professional China honed tube manufacturer and hydraulic cylinder honed tube suppliers, our factory also produces and supplies hydraulic honed tube sizes in wide range of imperial sizes.HERE BELOW IS THE CHART LIST OF METRIC HONED TUBINGSTANDARD SIZES AND IMPERIAL HONED TUBE STANDARD SIZES. METRIC HONED CYLINDER TUBE SIZESInside diameterOutside DiameterWall thicknessLengthmmmmmmm32404635455640505650605655655660705660757.56608010663756663787.5665755665807.5670805670857.56709010675907.56759510680905680957.5680100106851007.56901057.561001157.5610012010610012512.561101257.561101301061151307.5612014010612014512.5612015015612514510612515012.5613015010614016010614016512.5614017015614517012.5614517515615017010615018015616018010616018512.5616019015616020020618020010618021015618022020620022010620023015620024522.56250300256IMPERIAL HONED CYLINDER TUBING SIZESInside DiameterOutside DiameterWall ThicknessWeight / Foot(Inch)(Inch)(Inch)(Lbs.)11.50.253.3371.1251.50.1882.6341.251.6250.1882.8851.3751.750.1883.1361.51.750.1252.1691.51.8750.1883.3791.520.254.6731.62520.1883.631.7520.1252.5031.752.1250.1883.881.752.250.255.341.8752.250.1884.1322.3750.1884.3822.50.256.00822.750.3759.512230.513.352.1252.50.1884.6312.1252.750.3138.1352.252.50.1253.1712.252.6250.1884.8812.252.750.256.6752.2530.37510.5132.253.250.514.6852.3752.50.0631.6272.3752.750.1885.1312.52.750.1253.5042.52.8750.1885.3822.530.257.3432.53.1250.3139.3872.53.250.37511.5142.53.50.516.022.753.1250.1885.8822.753.250.258.012.753.50.37512.5162.753.6250.43814.8942.8753.50.31310.6382.87540.56320.65133.250.1254.17233.3750.1886.38333.50.258.67833.6250.31311.05533.750.37513.517340.518.6934.500*0.7530.0383.253.50.1254.5063.253.6250.1886.8843.253.750.259.3453.253.8750.31311.893.2540.37514.5183.254.250.520.0253.53.750.1254.8393.53.8750.1887.3843.540.2510.0133.54.1250.31312.7243.54.250.37515.5193.54.50.521.363.54.750.62527.5343.62540.1887.6533.7540.1255.1733.754.250.2510.683.754.50.37516.52144.3750.1888.38544.50.2511.34844.6250.31314.39344.750.37517.522450.524.0345.250.62530.87245.750*0.87545.5574.254.750.2512.0154.2550.37518.5234.550.2512.6834.55.1250.31316.0624.55.250.37519.5244.55.50.526.74.755.250.2513.354.755.50.37520.52655.250.1256.84255.50.2514.01855.6250.31317.7355.750.37521.527560.529.3756.250.62537.5475.255.750.2514.6855.2560.37522.5285.256.250.530.7055.560.2515.3535.56.250.37523.5295.56.50.532.045.57.000*0.7550.0635.756.50.37524.5315.756.750.533.37566.250.1258.17766.3750.18812.3966.50.2516.68866.6250.31321.06866.750.37525.532670.534.7167.250.62544.22267.500*0.7554.06868.000*174.766.256.750.2517.3556.2570.37526.5336.257.250.536.0456.570.2518.0236.57.250.37527.5346.57.50.537.386.57.750.62547.5596.58.000*0.7558.0736.757.50.37528.53677.50.2519.35877.750.37529.537780.540.0578.250.62550.89778.500*0.7562.07879.000*185.447.2580.37530.5387.258.250.541.3857.258.750*0.7564.087.580.2520.6937.58.250.37531.5397.58.50.542.727.59.000*0.7566.0837.758.50.37532.54188.50.2522.02888.750.37533.542890.545.3989.250.62557.57289.500*0.7570.088810.000*196.128.2590.37534.5438.259.250.546.7258.590.2523.3638.59.50.548.068.510.000*0.7574.0938.759.750.549.3959100.550.73910.250.62564.247910.500*0.7578.0989.25100.37538.5489.2510.250.552.0659.2510.50.62565.9169.7510.50.37540.5511010.750.37541.55210110.556.071011.500*0.7586.1081011.750*0.875101.6271012.000*1117.4810.512.000*0.7590.11311120.561.411214.000*1138.841416.000*1160.2As one of the leading hydraulic cylinder honed tube suppliers, our factory manufactures the honed pipes using our factory's "Suitable To Hone" Steel Cold Drawn Seamless Tubes (CDS tubes). In order to produce extremely precise ID dimensions and smoothly ID surface, the honing process involves using abrasive polishing stones and abrasive paper to remove small amounts of material. Besides the honing process, we also use the SRB process (skiving and roller burnishing) to produce honed tubing.Honed tube for hydraulic cylinder is ready to use for producing or repairing hydraulic cylinders without any further IDprocessing.HOW TO PURCHASE HYDRAULIC CYLINDER TUBE FROM US? As one of the leading hydraulic cylinder honed tube manufacturers and suppliers in China, we sell hydraulic honed tubing to customers and provide full range of technical support. Please contact us through below methods for more information. SpecificationMAIN SPECIFICATIONS OF OUR HYDRAULIC CYLINDER TUBING The inner diameter surface roughness of honed cylinder tubing : Ra 0.2μm(RA8)-0.4 μm (RA16) Below is the chemical composition & mechanical properties of the main steel grades for honed cylinder tube.GradeChemistry%YieldTensileElongationTypical Hardness PSIPSI% in 2″ sectionMin1020Carbon0.150 - 0.20060,00070,00010B-75 Mn0.300 - 0.600 P0.035 Max S0.035 Max ST52.3Carbon0.140 - 0.18075,00085,00015B-80 Si0.150 - 0.300 Mn1.200 - 1.400 P0.020 max S0.010 max Specification of other steel grades can be provided upon customers' request. ToleranceHONED TUBING TOLERANCE STANDARD (METRIC SIZE) Our honed ID tubing can be supplied with ID tolerance of H7, H8, H9, H10 and H11 depends on customers' request and its dimension. Here below is the detailed Inside Diameter (ID) tolerance values. Inner DiameterInner Diameter ToleranceHoned Tube Wall Thickness ToleranceH7H8H9H10H1130+ 0.021 0+ 0.033 0+ 0.052 0+ 0.084 0+ 0.130 0±5%> 30-50+ 0.025 0+ 0.039 0+ 0.062 0+ 0.100 0+ 0.160 0> 50-80+ 0.030 0+ 0.046 0+ 0.074 0+ 0.120 0+ 0.190 0> 80-120+ 0.035 0+ 0.054 0+ 0.087 0+ 0.140 0+ 0.220 0> 120-180+ 0.040 0+ 0.063 0+ 0.100 0+ 0.160 0+ 0.250 0> 180-250+ 0.046 0+ 0.072 0+ 0.115 0+ 0.185 0+ 0.290 0> 250-315+ 0.052 0+ 0.081 0+ 0.130 0+ 0.210 0+ 0.320 0> 315-400+ 0.057 0+ 0.089 0+ 0.140 0+ 0.230 0+ 0.360 0Outside Diameter Tolerance:For the O.D tolerance of the honed steel tubing, we can follow the corresponding standards as DIN2391, DIN1629, DIN 1630, ASTM A513, A519, etc. or upon customers' request. MaterialsOUR FACTORY SUPPLIES HONED TUBES, HONED CYLINDER TUBES, HYDRAULIC CYLINDER TUBE WITH VARIOUS MATERIALS Hydraulic cylinder tube is known as honed tube also, it is usually made of cold drawn seamless tubes or DOM tubes, as hydraulic cylinder tubes are usually used to produce hydraulic cylinder body, so it is called hydraulic cylinder barrel commonly too. Our factory manufactures many different steel grades for hydraulic cylinder tubes, and here below are the most popular materials.* Carbon steel ST52, ST52.3,* Carbon steel E355* Steel SAE 4140: also known as 42CrMo* Steel 27SiMn* Carbon steel SAE 1020, Chinese 20#, C20* Stainless steel 304* Stainless steel 316EASTAI is a professional manufacturer & supplier of honed tubes for cylinders, our factory manufactures all these materials of honed cylinder tubes. 1. Honed cylinder tubes of material ST52 /ST52.32. Honed tubes of material E3553. Honed cylinder tubes of material SAE 10204. SAE 4140 hydraulic cylinder barrel tubes5. 27SiMn honed tubes6. 20MnV6 hydraulic cylinder tubes7. Stainless steel honed tubes HYDRAULIC CYLINDER TUBE OF MATERIAL ST52 /ST52.3 ST52 honed cylinder tubes are honed tubes made of material steel grade ST52, and with standard of DIN 2391. St52 is equal to St52.3. Usually, this material of honed tubes is described as: cold drawn seamless honed tubes as per DIN2391 /ST52-BKS. BKS standards for the heat treatment for the honed tubing, which is stress relieved heat treatment. Here below is the specification of the steel ST52. GradeChemistry%YieldTensileElongationTypical Hardness min. Mpamin. Mpa% in 2″ sectionMinST52.3Carbon0.140 - 0.18042058015B-80 Si0.150 - 0.300 Mn1.200 - 1.400 P0.020 max S0.010 max HONED TUBES OF MATERIAL E355 E355 honed tubes are honed cylinder tubes made of material steel grade E355, and with standard of EN 10305-1. Actually steel E355 is equal to ST52 / St52.3. Usually this materials of honed tubes are describled as: cold drawn seamless honed tubes as per EN10305-1 /E355 +SR. +SR standards for the heat treatment for the honed tubing, which is stress relieved heat treatment.Here below is the specification of the steel E355.GradeChemistry%YieldTensileElongationTypical Hardness min. Mpamin. Mpa% in 2″ sectionMinE355Carbon0.140 - 0.18042058015B-80 Si0.150 - 0.300 Mn1.200 - 1.400 P0.020 max S0.010 max Material ST52 /ST52.3 and E355 is also widely used to produce hard chrome plated hollow bars, which is also known as chrome plated OD tubes. HYDRAULIC CYLINDER TUBE OF MATERIAL SAE 1020SAE 1020 cylinder tubes are honed tubes made of material steel grade SAE 1020, this steel grade is equal to Chinese steel grade 20#. Cabon steel grade SAE 1020 is a low hardness and low tensile strength alloy. Honed pipes of material SAE1020 is cheaper than ST52 honed pipes and can be used for various applications.GradeChemistry%YieldTensileElongationTypical Hardness Min. MpaMin. Mpa% in 2″ sectionMin1020Carbon0.150 - 0.20037548515B-75 Mn0.300 - 0.600 P0.035 Max S0.035 Max SAE 4140 HYDRAULIC CYLINDER BARREL TUBE SAE 4140 honed tubes are cold drawn seamless honed tubes made of steel grade SAE4140. 4140 honed hydraulic cylinder barrel tubes usually are used for applications under high pressure & heavy duty. As the tensile strength and yield strength of SAE 4140 is very high. Steel 4140 is equal to German steel grade of 42CrMo. BELOW IS THE CHEMICAL COMPOSITION OF 4140 MATERIAL.SAE 4140 /42CrMoC%Si%Mn%P%S%Cr%Mo%Min0.360.10.65 0.750.15Max0.440.41.10.040.041.20.35Steel 4140 / 42CrMo is also an idea material for manufacturing Chrome Plated Bar. Benefit for its high yield strength and tensile strength, 4140 chrome plated bar is usually used for applications where high strength is required. FAQQUESTION 1: WHAT IS THE DELIVERY TIME OF HYDRAULIC HONED TUBES?Answer: As one of the largest hydraulic honed tube suppliers in the area, we stock a lot ofdifferent sizes and materials of mother tubes for honed tubes, so normally our delivery time is 10-20 days depends on the quantity and size. QUESTION 2: CAN YOU ENSURE THE QUALITY OF THE HYDRAULIC CYLINDER TUBE?Answer: Yes, we execute Total Quality M anagement System in our hydraulic cylinder tube factory.We only use raw materials (mother tube) made in China top quality steel maker such as TPCOSha-Steel, Huaigang Special Steel and so on. And we will inspect every honed tube for hydrauliccylinder before packing, the honed cylinder tube will be supplied with mill test certificateaccording to EN 10204 /3.1. QUESTION 3: IS YOUR COMPANY HYDRAULIC CYLINDER TUBE MANUFACTURERS OR TRADINGCOMPANY?Answer: Yes, we are true hydraulic cylinder tube factory company located in Wuxi, Jiangsu, weare one of the professional hydraulic cylinder tube manufacturers in China, we welcomecustomers to come to visit our factory, Then you can see the details. QUESTION 4: HOW CAN YOU PROTECT THE INSIDE SURFACE OF THE HONED TUBES FROMDAMAGE DURING TRANSPORTATION?Answer: To protect the inner surface of the honed lD tubing, we will plug each tube with tubecaps on each end, the tube caps usually are plastic in green or yellow. And for big lD honed tubeswe can weld a steel cap on each tube end to protect thelD surface on customers request. QUESTION 5: DID YOU EXPORT YOUR HONED PIPES TO OVERSEA COUNTRIES? AND WHAT ISYOUR MAIN OVERSEA MARKET?Answer: Yes, as the one of the largest hydraulic cylinder honed tube suppliers in china, weexported our cylinder tubes to many customers in oversea countries, our main market includingUSA, Vietnam, Australia, Russia, UAE, Saudi Arabia, Canada, South Africa, Thailand, Brazil, Mexico,etc.

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