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China, Chinese ASTM A312 AISI 304H 1/2"-24" SCH10S/SCH40S/SCH80S Stainless Steel Seamless Pipe,Suitable for High-Temperature Applications¹ Industrial Products Supplier Manufacturer Details, price list catalog:

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Steel Products Stainless Steel stainless steel pipe stainless steel

Wenzhou Guohao Steel Co., Ltd

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Product Description Product Description304H Seamless Pipe is a high strength pipe grade with excellent load bearing capacity. These pipes are produced by passing hot billets through extruding the metal and then shaping it into the correct dimensions. This versatile pipe is expensive due to the materials used in its production but is worth the money due to its excellent characteristics. ASTM A312 Gr TP 304H is a grade designed for non-pressurized vessels or systems. This grade covers the structural qualities and shapes of different pipe grades. TP 304H and TP 304L stainless steels have very similar chemical and mechanical properties, but there is one subtle but significant difference between them: carbon content. Type 304H stainless steel can contain up to 0.08% carbon, while Type 304L stainless steel typically contains up to 0.03% carbon. This may seem like an insignificant difference, but even a slight increase in carbon content can greatly enhance the corrosion resistance of a steel alloy.Product NameAISI 304H Stainless Steel Seamless Pipes and TubesCompany1.Company Name:WENZHOU GUOHAO STEEL., LTD 2.Type: Manufacturer MaterialTP304HStandardASTM A312,ASTM A213,ASTM A269,ASTM A511EN 10216-5,DIN 17456,GB/T 14976,GB13296,GOST 9940,GOST 9941SpecificationOuter diameter6mm-630mmWall thickness1mm-40mmLengthSingle random length/ Double random length or as customer's actual requestSurfaceAnnealing&Pickling, Polishing(180#-600#), Bright Annealing, Sand Blasting,Shot BlastingMarkingsMarkings 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.Marked Pipe Sample: ASTM A312 TP304H 12" NB SCH 40S SEAMLESS HEAT NO.: XXXX LOT NO.: XXXXFlattening 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.Hydrostatic or Nondestructive TestingEach pipe shall be subjected to the nondestructive electric test or the hydrostatic testDelivery 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, CFR, CIF etc.Loading PortNingbo/Wenzhou/ShanghaiRemittance methodTT/LC/CASHChemical Composition of TP304H stainless steel seamless tubes pipesGrade%CMnPSSiCrNiNTP304HMin.0.040 ----18.00 8.00 -Max.0.100 2.00 0.045 0.030 1.00 20.00 11.00 -Mechanical Properties of TP304 304L 304H stainless steel seamless tubes pipesGradeTensile strengthYield strengthElongation A5 %Hardness (HRB)min (Mpa)min (Mpa)TP304H5152053590Physical Properties of TP304H stainless steel seamless tubes pipesGradeDensityMelting PointThermal ExpansionModulus of ElasticityThermal ConductivityElectrical ResistivityTP304H7.93 1450 °C17.2 x 10-6 /K193 GPa16.2W/m.K0.072 x 10-6 Ω .mProduct ParametersANSI/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"609.65.546.356.359.5314.27-9.5317.4824.61-12.730.9638.8946.0252.3759.54-26"660.4--7.9212.7--9.53---12.7------28"711.2--7.9212.715.88-9.53---12.7------30"7626.357.927.9212.715.88-9.53---12.7------32"812.8--7.9212.715.8817.489.5317.48--12.7------34"863.6--7.9212.715.8817.489.5317.48--12.7------36"914.4--7.9212.715.8819.059.5319.05--12.7------Permissible Variations in Dimensions of Stainless Steel Seamless Tubes and 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.CertificationsGuohao Steel welcomes direct customer inspections as well as those conducted by their appointed third-party inspection agencies, including but not limited to SGS, Bureau Veritas (BV), TüV, DNV, and other internationally recognized organizations. We provide a comprehensive set of documentation, including Manufacturer's Test Certificate (TC) in accordance with EN 10204 Type 3.1, Raw Material Certificate, Heat Treatment/Dimensional Non-Destructive Testing (HT/DNT) Reports, and Third-Party Inspection Reports.Material Testing: All materials undergo rigorous quality control testing prior to shipment to ensure full compliance with applicable standards and customer specifications. The testing program includes the following:1. Mechanical Testing 2. Hardness Testing 3. Chemical Analysis via Optical Emission Spectrometry (OES) 4. Positive Material Identification (PMI) 5. Flattening Test 6. Flaring Test 7. Intergranular Corrosion (IGC) Testing PRODUCT APPLICATION304H Stainless Steel ApplicationsOff-Shore Oil Drilling CompaniesPower GenerationPetrochemicalsGas ProcessingSpecialty ChemicalsPharmaceuticalsPharmaceutical EquipmentChemical EquipmentSea Water EquipmentHeat ExchangersCondensersPulp and Paper IndustryCompany ProfileWenzhou 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 AdvantagesMore than 16 Years of Experience in Stainless Steel Production.Provides cost-effective products and professional services to you.We offer an extensive range of stainless steel, super duplex steel,nickel alloy.FAQ1.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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Metallurgy, Mineral & Energy: ASTM A312 AISI 304H 1/2"-24" SCH10S/SCH40S/SCH80S Stainless Steel Seamless Pipe,Suitable for High-Temperature Applications

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