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Stainless Steel Pipe SMLS ф152х8 ст.10Х23Н18 ГОСТ 9940-81¹

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Product Description Product DescriptionProduct NameAISI 310S Stainless Steel Seamless Pipes /Tubes20х23н18 152x8 мм трубу нержавеющую бесшовную AISI 310S Tubería de acero inoxidable sin costuraAISI 310S Tubos de A?o Inoxidável sem CosturaAISI 310S Pipa Stainless Steel SeamlessCompany Inform1.Name:WENZHOU GUOHAO STEEL., LTD2.Type: ManufacturerMaterialTP310,TP310S,TP310H,20х23н18,1.4841TP310S stainless steel tubes are commonly used in high-temperature applications. Due to their high chromium and nickel content, these tubes offer comparable corrosion resistance, excellent oxidation resistance, and the ability to retain a greater proportion of their room-temperature strength compared to common austenitic stainless steels such as 304. 310S stainless steel tubes are austenitic heat-resistant alloys that exhibit outstanding oxidation resistance under mildly cyclic conditions up to 2100°F. Their elevated chromium and nickel content contributes to good corrosion resistance, superior oxidation resistance, and enhanced retention of room-temperature strength.Sources of raw materialsTSINGHSAN,BAOSTEEL,YONGXING etcStandardASTM A312,ASTM A213,ASTM A269EN 10216-5,DIN 17456GB/T 14976,GB13296GOST 9940,GOST 9941SpecificationD(Outer Diameter)6mm-630mm1/8inch-24inchT(Wall Thickness)0.89mm-60mmSCH5,SCH10,SCH20,SCH40,SCH40S,SCH 80S,SCH160,SCHXXS10 BWG, 12 BWG, 14 BWG , 16 BWG, 18 BWG, 20 BWG10 SWG, 12 SWG, 14 SWG , 16 SWG, 18 SWG, 20 SWGL(Length)Random length 5~7mFixed length 6m /6.096m /6.1m/12mAs customer's actual requestSurfaceAnnealing&Pickling,PolishingBright AnnealingSand BlastingShot Blasting / Shot PeeningPipe EndPlain End (PE)Bevelled End (BE)Threaded End (TE)MarkingsGH-STEEL ГОСТ 9940-81 20х23н18 152х8 мм HEAT NO.:*********** SMLSMarkings will adhere to prescribed specifications in A999/A999M and shall include the NPS or OD and schedule number or average wall thickness, heat number, and NH (when hydrotesting is not performed) and ET (when eddy-current testing is performed) or UT (when ultrasonic testing is performed). The marking shall also include the manufacturer's private identifying mark, the marking requirement of section 12.3 on Hydrostatic or Nondestructive Electric Test, if applicable, and whether seamless (SML), welded (WLD), or heavily cold-worked (HCW). For Grades TP304H, TP316H, TP321H & TP347H, the marking shall also include the heat number and heat-treatment lot identification.Flattening TestFor material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5% of the lot, but in no case less than 2 lengths of pipe.Hydraulic Test or Nondestructive TestEach pipe shall be subjected to the Nondestructive Test or the hydraulic testValue Added ServicesCustomize Length/Pipe sliceBendingPolishing (180#,240#,320#,400#,600#)Shot Blasting / Shot PeeningDrilling/PunchingOil DegreasingPrint Colour CodeDelivery Time1.for ready stock :7 days after receiving the deposit of T/T2.For MTO: 35 days after receiving the deposit of T/TTrade TermsEXW,FOB,FCA, CFR, CIF etc.Loading PortNingbo/Wenzhou/ShanghaiRemittance methodTT/LC/CASH/DPReferenced DocumentsASTM Referenced StandardsA262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless SteelsA370 Test Methods and Definitions for Mechanical Testing of Steel ProductsA941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and FerroalloysA999/A999M Specification for General Requirements for Alloy and Stainless-Steel PipesA1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel TubesE112 Test Methods for Determining Average Grain SizeE381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and ForgingsE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)Product ParametersTP310S stainless steel pipe is a highly alloyed austenitic stainless steel specifically developed for high-temperature environments. Its elevated chromium and nickel content endow it with excellent oxidation resistance and the ability to maintain structural integrity under high-temperature conditions. Furthermore, this grade demonstrates superior ductility and favorable weldability, which enhance its applicability across a wide range of industrial sectors.Chemical Composition of TP310 TP310S TP310H 20X23H18 1.4841 Stainless Steel Seamless Pipe TubeGrade%CMnPSSiCrNi310Min.-----24.019.0Max.0.025 2.00.020 0.0150.15 26.022.0310SMin.-----24.019.0Max.0.080 2.0 0.045 0.0301.00 26.022.0310HMin.0.04----24.019.0Max.0.102.0 0.045 0.0301.00 26.022.01.4841Min.----1.50 24.019.0Max.0.202.0 0.045 0.0302.50 26.022.020х23н18Min.-----22.017.0Max.0.202.0 0.035 0.0201.00 25.020.0Mechanical Properties of TP310 TP310S TP310H 20X23H18 Stainless Steel Seamless Pipe TubeStatusTensile strengthYield strengthElongation A5 %Hardness (HRB)min ksi (Mpa)min ksi (Mpa)31075 (515)30 (205)3590310S75 (515)30 (205)3590310H75 (515)30 (205)35901.484175 (515)30 (205)3590Physical Properties of TP310 TP310S TP310H 20X23H18 1.4841 Stainless Steel Seamless Pipe TubeDensityMelting pointSpecific Heat0-100°C ( J/kg.K)Thermal Conductivity at 20°C Btu/h ft oFElastic Modulus (GPa)Electrical resistivity [μΩ . cm]7.98 g/cm31400-1450°C500 J.kg-1.°K-114.2 W/mK 97.2 BTU in/hr.ft2.°F200 Gpa7.8 μohm/cmEquivalent Grade of TP310 TP310S TP310H 20X23H18 1.4841 Stainless Steel Seamless Pipe TubeGradeUNS NoEuronormSwedish SSJapanese JISGOSTNoName310S310001.4841X15CrNi25-20-SUH 310-310SS310081.4845X8CrNi25-212361SUS 310S20х23н18ANSI/ASME B36.10M B36.19M Dimension Comparison Table For Stainless Steel Seamless Tube PipeOutside DiameterWall Thicknesses Schedule ANSI/ASME B36.10M,B36.19MDN(in)D(mm)SCH5SSCH10SSCH10SCH20SCH30SCH40SSCHSTDSCH40SCH60SCH80sSCHXSSCH80SCH100SCH120SCH140SCH160SCHXXS1/8"10.3-1.24---1.731.731.73-2.412.412.41-----1/4"13.7-1.65---2.242.242.24-3.023.023.02-----3/8"17.1-1.65---2.312.312.31-3.23.23.2-----1/2"21.31.652.11---2.772.772.77-3.733.733.73---4.787.473/4"26.71.652.11---2.872.872.87-3.913.913.91---5.567.821"33.41.652.77---3.383.383.38-4.554.554.55---6.359.091-1/4"42.21.652.77---3.563.563.56-4.854.854.85---6.359.71-1/2"48.31.652.77---3.683.683.68-5.085.085.08---7.1410.152"60.31.652.77---3.913.913.91-5.545.545.54---8.7411.072-1/2"732.113.05---5.165.165.16-7.017.017.01---9.5314.023"88.92.113.05---5.495.495.49-7.627.627.62---11.1315.243-1/2"101.62.113.05---5.745.745.74-8.088.088.08-----4"114.32.113.05---6.026.026.02-8.568.568.56-11.13-13.4917.125"141.32.773.4---6.556.556.55-9.539.539.53-12.7-15.8819.056"168.32.773.4---7.117.117.11-10.9710.9710.97-14.27-18.2621.958"219.12.773.76--7.048.188.188.1810.3112.712.712.715.0918.2620.6223.0122.2310"273.13.44.19-6.357.89.279.279.2712.712.712.715.0918.2625.428.5825.4-12"323.93.964.57-6.358.389.539.5310.3114.2712.712.717.4821.4425.428.5833.3225.414"355.63.964.786.357.929.53-9.5311.1315.09-12.719.0523.8327.7931.7535.71-16"406.44.194.786.357.929.53-9.5312.716.66-12.721.4426.1930.9636.5340.49-18"457.24.194.786.357.9211.13-9.5314.2719.05-12.723.8329.3634.9339.6745.24-20"5084.785.546.359.5312.7-9.5315.0920.62-12.726.1932.5438.144.4550.01-22"558.84.785.546.359.5312.7-9.53-22.23-12.728.5834.9341.2847.6353.98-24"609.65.546.356.359.5314.27-9.5317.4824.61-12.730.9638.8946.0252.3759.54-BWG Gauge Weight Chart for Tube Wall thickness (Heat Exchanger Tube & Condensers Tube & Boilier Tube) Outside DiameterStainless Steel Tube Weight (kg/m)Birmingham wire Gauge Conversion from BWG to mm25 BWG22 BWG21 BWG20 BWG19 BWG18 BWG17 BWG16 BWG15 BWG14 BWG13 BWG12 BWG11 BWG10 BWGmminch0.51 mm0.71 mm0.81 mm0.89 mm1.07 mm1.24 mm1.47 mm1.65 mm1.83 mm2.11 mm2.41 mm2.77 mm3.05 mm3.4 mm6.35 1/40.0740.10.1120.1210.1410.1580.1790.1930.206-----9.53 3/80.1150.1560.1760.1920.2250.2560.2950.3240.3510.390.4270.466--12.7 1/2-0.2120.240.2620.310.3540.4110.4540.4960.5570.6180.6850.7330.78815.88 5/8-0.2680.3040.3320.3950.4520.5280.5850.640.7240.8090.9050.9751.05719.05 3/4-0.3240.3680.4030.4790.550.6440.7150.7850.890.9991.1231.2161.32525.41 --0.4960.5430.6480.7460.8760.9761.0741.2241.381.5611.6981.86331.751 1/4---0.6840.8180.9421.1091.2371.3641.5581.76122.182.40138.11 1/2----0.9871.1391.3411.4981.6531.8922.1432.4382.6632.93944.51 3/4----1.1581.3361.5761.7611.9452.2282.5272.8793.1493.48150.82 ----1.3251.5311.8062.022.2322.5592.9053.3143.6284.01463.52 1/2------2.2712.5422.8113.2273.6674.194.5935.0976.23 -------3.0643.393.8944.435.0675.5586.16688.93 1/2-------3.5863.9694.5625.1925.9436.5227.241101.64 -------4.1084.5485.2295.9556.8197.4878.317114.34 1/2---------5.8976.7177.6968.4529.393SummaryStandardsStandard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger TubesASTM A 213 / A 213MStandard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General ServiceASTM A269 / A 269MStandard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A312/A312MStandard Specification for Seamless Stainless Steel Mechanical Tubing and Hollow BarASTM A511 / A 511MStandard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General ServiceASTM A789/A789MStandard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel PipeASTM A790/A790MStandard Specification For Seamless Stainless Steel Tubes,cold and hot finishedGOST9941-81Standard Specification For Seamless Stainless Steel Tube for Pressure purposesEN 10216-5A269 A213 A312 A789 GOST9941 EN10216-5 Standard Tolerance for Stainless Steel Seamless Tube PipeStandardOutside Diameter Tolerance(mm)Thickness ToleranceLength Tolerance (mm)ASTM A213D<25.4±0.1D≤38.1+20%/-0%D≤50.80+3/-0[25.4~38.1]±0.15(38.1~50.8)±0.2D>38.1+22%/-0%D>50.8+5/-0[50.8~63.5)±0.25[63.5~76.2)±0.30[76.2~101.6]±0.38(101.6~190.5]+0.38/-0.64(190.5~228.6]+0.38/-1.14ASTM A312A790[10.29~48.26]+0.4/-0.810.3~73+20% / -12.5%+6/-088.9~457 T/D≤5%+22.5%/-12.5%(48.26~114.30]±0.8088.9~457 T/D>5%+15%/-12.5%(114.30~219.08]+1.6/-0.8508above T/D<5%+22.5%/-12.5%(219.08~457.20]+2.4/-0.8508above T/D>5%+15%/-12.5%ASTM A269A789D<12.7±0.13±15%+3/-0(12.7~38.1]±0.13±10%[38.1~88.9)±0.25+5/-0[88.9~139.7)±0.38[139.7~203.2)±0.76ASTM A270<25.40±0.13±12.5%+3/-0(25.4~50.8]±0.20(50.8~76.2]±0.25(76.2~101.6]±0.38(101.6~139.7]±0.38+5/-0(139.7~203.2]±0.75%(203.2~304.8]±1.25%EN10216-5D3±0.75%/±0.30T3±10%/ ±0.20mmL≤6m+5/-0D4±0.5%/±0.10T4±7.5% / ±0.15mm≥6~12M+10/-0ГОСТ 9941-2022(except 06ХН28МДТ)D<10Normal:±0.30T<0.3Normal:±0.05 mm+15/-0High:±0.03 mmHigh:±0.20(0.3~0.4]Normal:±0.07 mmHigh:±0.05 mmHigher:±0.15(0.4~0.6]Normal:±0.10 mmHigh:±0.07 mm(10~30]Normal:±0.40(0.6~1.0]Normal:±0.15 mmHigh:±0.10 mmHigh:±0.30(1~3]D/S <40Normal:+12.5%/-15%High:±12.5%Higher:±0.20Higher:+12.5%/-10%(1~3]D/S >40Higher:±15%(30~95]Normal:±1.2%Normal:+12.5%/-15%High:±1%(3~7]D/S <40Normal:±12.5%Higher:±0.8%High:+12.5%/-10%D>95 D/S <40Normal:±1.2%Higher:±10%High:±1%(3~7]D/S >40Normal:+12.5%/-15%Higher:±0.8%High:±12.5%D>95 D/S >40Normal:±1.5%T>7D<325Normal:+12.5%/-10%High:±1.2%High:±10%Higher:±1.0%T>7D>325Normal:+12.5%/-15% High:±12.5%Packaging & ShippingAll of our stainless steel seamless pipe & tubes are packaged as per international standard to prevent any possible damage or loss. By default, we will use thick woven plastic bag to bundle the finished pipes together in batches.For some special pipes & tubes that are vulnerable to dirt, scratches, stress or rough handling, we will suggest wooden case for protection. Kindly note, wooden case can incur extra cost, not only its own cost, but also the increased freight cost, which is especially true for air transportation. For enhanced customer experience, we also provide dedicated package as per your special requirements.CertificationsOur company welcomes inspections conducted by customers directly or through their designated third-party inspection agencies, such as SGS, BV, TUV, DNV, and other industry-recognized organizations. We provide Manufacturer TC (Test Certificate) in accordance with EN 10204/3.1, Raw Materials Certificate, HT/DNT Test Reports, and Third-Party Inspection Reports. Material Testing: All materials undergo rigorous quality testing procedures prior to shipment to ensure compliance with required standards and customer specifications.1. Mechanical Testing2. Hardness Test3. Chemical Analysis - Spectro Analysis4. Positive Material Identification - PMI Testing5. Flattening Test6. Flaring Test7.Intergranular Corrosion (IGC) Test PRODUCT APPLICATIONCompany Profile Wenzhou Guohao Steel was established in 2008. We are ISO 9001:2015 approved manufacturer, having a state-of-the-art infrastructure facility for having smooth production process. It has successfully grown by focusing on serving customers across a range of high technology industries. One of our company strengths is its people, with many colleagues having been with the company from the beginning. This provides our customers with the benefit of a wealth of experience and industry knowledge. Guohao Steel now has the whole of manufactured stainless steel products to add to its already large range of High Performance Nickel Alloys.Guohao Steel adhere to the high standards of integrity and compliance required, including:Environmental standardsHealth and safety standardsEthical trading standardsExport compliance requirementsWe now stock and have direct access to a wide range of other materials, including stainless steels and nickel alloys. We supply and process pipes for numerous key industry sectors, collaborating with both small businesses and large international manufacturers across various countries. Due to our reputation for quality, reliability, and industry approvals, we are a well-regarded supplier in diverse sectors. Our delivery of long-term tangible benefits enables our customers to compete in today's challenging global marketplace.In order to achieve our goals, we are improving our facilities and expanding our machinery to offer broader processing capabilities. Additionally, our investment extends to the growth and development of our teams, which represent our most valuable resource. We aim for our customers to receive the best experience and trust in the expertise, knowledge, and experience of our teams. As we continue looking towards the future, we rely on our core values to guide both decisions and actions.Our AdvantagesFAQ1.Q: Do you provide customized product services?A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.2.Q: Are you a manufacturer or trader?A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes. 3.Q: Can we get the some samples?Is there a charge?A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.4.Q: Can we visit your factory?A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.5.Q: How do you ensure the quality of the product?A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.6.Q: What is your delivery time?A: Different products and procurement quantities have different delivery times. The product will be delivered as soon as possible on the basis of quality assurance. Usually, if the goods are in stock, it takes 3-10 days. Alternatively, if the goods are out of stock, it will take 25 to 45 days.7.Q: Can you arrange shipment?A: Of course, we have freight forwarders who have been cooperating for many years. We are VIP and can provide you with the most favorable prices and professional services.8.Q: What if I don't have import experience?A: We have rich export experience. As long as you have an import license, please leave the rest to us! We will help you choose the most suitable transportation service to safely and accurately deliver the product to the place where it is needed.

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