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08X18H10T 12X18H10T AISI 321 Seamelss Stainless Steel Tubes Pipes In stock GOST 9941 99401
Steel Productsstainless steel pipeAISI 321 stainless steel pipe
Wenzhou Guohao Steel Co., Ltd
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Product Description Product DescriptionProduct NameStainless Steel Seamless Pipes /TubesТруба нержавеющая бесшовнаяTubería de acero inoxidable sin costuraTubos de A?o Inoxidável sem CosturaPipa Stainless Steel Company Inform1.Name:WENZHOU GUOHAO STEEL., LTD2.Type: ManufacturerMaterialAustenitic:TP304,TP304L,TP304H,TP309S,TP310,TP310S,TP310H,TP316L,TP316Ti,TP317L,TP321,TP321H,TP347H,904L,254SMO,253MAGOST Grade: 08х18н10т,12х18н10т(AISI 321),10х17н13м2т(AISI 316Ti),20х23н18(AISI 310S),06хн28мдт(AISI 904L),08х18н10(AISI304)Duplex Stainless:UNS S31803,UNS S2205,UNS S32750,UNS S32760Nickel Alloy:Incoloy: 800,800H,800HT,825,926,20,28,201,200Inconel :718,600,601,625Hastelloy: C-22,C-276,B-2,B-3High Temperature Alloy:GH3030,GH3039,Cr20Ni80 Monel400,K-500Sources of raw materialsTSINGHSAN,BAOSTEEL,YONGXING etcStandardASTM A312,ASTM A213,ASTM A269,ASTM A511,ASTM A789,ASTM A790ASTM B161 B163 B165 B167 B407 B423 B444 B622 B677 B729 B983EN 10216-5,DIN 17456GB/T 14976,GB13296,GB/T 21833,GB/T 15011,GB/T 15062GOST 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 GOST9941-2022 12X18H10T 89x5 MM HEAT NO.:*********** SMLMarkings 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/DPProduct ParametersChemical Composition of 12X18H10T 08X18H10T AISI 321 Stainless Steel Seamless Tube PipeChemical Composition (%)GradeCMnPSSiCrNiNTiCuAISI 321min-----17,09,0-5x(C+N)-max0,0802,000,0450,0301,0019,012,00,100,70 AISI 321Hmin0,040----17,09,0-4x(C+N)-max0,1002,000,0450,0301,0019,012,00,100,70-08X18H10Tmin-----17,09,0-5xC-max0,0802,000,0350,0200,8019,011,0-0,700,3012X18H10Tmin-----19,0023,00-5xC-max0,1202,000,0350,0200,8023,0028,00-0,800,30Mechanical Performance of 12X18H10T 08X18H10T AISI 321 Stainless Steel Seamless Tube PipeMechanical PerformanceGradeMpa (kgf/mm2)Elongation .(%) in 2" (min.)HardnessTensile strength (min.)Yield strength (min.)HRB(max.)AISI 3215152053590AISI 321H515205359008X18H10T54921637-12X18H10T54921635-Stock List of AISI321 12X18H10T Stainless Steel Seamless Tubes PipesGradeSize (mm)TP3218х125х542х560х685х3114х6159х5220х5TP3218х227х242х660х885х6114х7159х6220х6TP32110х127х2,542х860х985х12114х8159х7245х4TP32110х2,527х345х260х1089х3114х10159х8245х6TP32112х1,527х3,545х2,562х289х3,5114х12159х10245х9TP32114х127х445х363х1,589х4114х13,5159х11245х10TP32114х1,527х545х3,563х389х4,5114х14159х12245х12TP32114х1,528х1,545х4,563х8,589х5121х10159х14245х20TP32114х228х345х565х3,589х5,5121х12159х15245х25TP32114х2,528х3,545х665х489х6121х20168х3250х3TP32114х328х448х265х589х7121х25168х3,5250х4TP32115х230х2,548х2,565х889х8127х5168х4250х4,5TP32115х3х530х348х368х389х9127х8168х4,5250х6TP32116х130х448х468х3,589х10127х9168х5273х4TP32116х1,530х548х4,568х489х12127х9,5168х6273х5TP32116х232х248х568х689х14127х10168х7273х6TP32116х2,532х2,548х670х2,590х3127х12168х8273х7TP32116х332х348х870х390х5127х18168х9273х8TP32116х432х3,548х1070х3,592х14,5127х20168х10273х9TP32118х1,532х450х270х695х3130х10168х11273х10TP32118х232х4,550х3,570х895х5130х14168х14273х11TP32118х2,532х550х570х995х6133х3168х20273х12TP32118х332х5,550х770х1095х8133х3,5168х25273х14TP32118х432х651х1,572х1295х9133х4170х4273х15TP32119х1,534х251х273х395х10133х4,5180х4273х16TP32119х334х2,551х2,573х495х12133х5180х4273х18TP32120х234х351х373х5100х10133х5,5180х7273х20TP32120х334х3,551х3,573х6102х3133х6180х10325х5TP32120х3,534х451х473х8102х4133х8180х18325х6TP32120х434х551х573х9102х5133х10180х16325х7TP32120х534х652х975х15102х6133х12194х6325х8TP32121х235х353х1,575х17102х6,5133х14194х8325х8,5TP32121х2,535х3,553х476х3102х8133х16194х20325х9TP32121х336х253х676х3,5102х10140х3,5194х25325х10TP32121х436х353х776х4102х12140х4200х3325х10,5TP32122х136х4,554х276х4,5102х14140х5200х4325х12TP32122х1,536х554х3,576х5102х18140х6200х6325х13TP32122х238х1,556х276х6106х14,5140х8203х30325х14TP32122х2,538х256х776х7108х3140х9210х24325х17,5TP32122х338х2,557х276х8108х3,5140х10219х3325х18TP32122х3х600038х357х2,576х9108х4140х12219х3,5325х20TP32122х3,538х3,557х376х10108х5140х20219х4377х6TP32122х3,5х600038х457х3,576х12108х6140х25219х4,5377х8TP32122х438х557*476х14108х7144х10219х5377х10TP32124х338х657х4,580х3108х8146х10219х6377х12TP32124х438х1057х580х4108х10146х12219х7377х14TP32125х1,540х257х680х7108х12146х14219х8426х6TP32125х240х3,557х883х3108х14146х16219х10426х8TP32125х2х601040х457х1083х4108х16146х20219х11426х9TP32125х2х1201040х558х1083х5108х18152х8219х12426х10TP32125х2,542х260х283х6110х20152х16219х15426х12TP32125х2,5х601042х2,560х2,583х8114х3152х20219х16426х25TP32125х2,5х1201042х360х383х9114х3,5159х3219х18530х8TP32125х342х3,560х3,583х10114х4159х3,5219х20530х9TP32125х3,542х460х483х12114х4,5159х4219х25530х10TP32125х442х4,560х583х14114х5159х4,5219х30530х12ANSI/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------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---------5.8976.7177.6968.4529.393Standards and 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) TestPRODUCT APPLICATIONCompany 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 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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