Superior Quality Wholesale Price on-Time Delivery Practical DN25 4 Inch Stainless Steel Pipe Coupling Oil Perforated Tube

Product SpecificationProduct nameStainless steel pipe/ tubeTechniqueWelded/ SeamlessStandardASTM A778, ASTM A312, JIS G3448, EN10312, CJ/T 151MaterialMainly: 201, 202, 304, 304L, 304H, 316, 316L, 316Ti, 2205, 330, 630, 660, 409L, 321, 310S, 410, 416, 410S, 430, 347H, 2Cr13, 3Cr13 etc300series: 301, 302, 303, 304, 304L, 309, 309s, 310, 310S, 316, 316L, 316Ti, 317L, 321, 347200series: 201, 202, 202cu, 204400series: 409, 409L, 410, 420, 430, 431, 439, 440, 441, 444Others: 2205, 2507, 2906, 330, 660, 630, 631, 17-4ph, 17-7ph, S318039 904L,etcDuplex stainless steel: S22053, S25073, S22253, S31803, S32205, S32304Special Stainless Steel: 904L, 347/347H, 317/317L, 316Ti, 254MoOutside DiameterSeamless Pipe: 4mm-812.80mmWelded Pipe: single slit(Φ8mm-Φ630mm); girth(Φ630mm-Φ3000mm)ThicknessSeamless Pipe: 0.5mm - 60mmWelded Pipe: single slit(0.5mm-25mm); girth(3mm-45mm)Length≤12000mm or as per customer requestSurfacePolishing (180#,220#,240#,320#400#,600#), Hairline, Aid Pickling, Inside weld leveling, Online bright heat)ApplicationDecoration (Processed into railings, handrails, doors and windows), Medical, Industry, Water Supply, MunicipalEngineering ,etcDelivery time7-15 days subject to the clients' requirement and quantityPackageClients' requirement and standard export sea-worthy packing  Austenitic Stainless Steel201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etcMartensitic Stainless Steel410, 414, 416, 416, 420, 431, 440A, 440B, 440C, etcDuplex Stainless SteelS31803, S32101, S32205, S32304, S32750, etcFerritic Stainless Steel429, 430, 433, 434, 435, 436, 439, etcStainless Steel Grade Comparison TableChinaJapanAmericaKoreanEUAustraliaDensity t/mGB/T20878JISASTMKSBSENAS 12Cr13SUS403403STS403-4037.7520Cr13SUS420J1420STS420J11.40214207.7530Cr13SUS420J2-STS420J21.4028420J27.7510Cr17SUS430430STS4301.40164307.7068Cr17SUS440A440ASTS440A-440A7.7006Cr19Ni10SUS304304STS3041.43013047.93022Cr19Ni10SUS304L304LSTS304L1.4306304L7.9306Cr17Ni12Mo2SUS316316STS3161.44013167.98022Cr17Ni12Mo2SUS316L316LSTS316L1.4404316L7.9806Cr18Ni11TiSUS321321STS3211.45413217.9306Cr18Ni11NbSUS347347STS3471.4553477.98  Chemical component ( %)GradeC (Max)Si (Max)Mn (Max)P (Max)S (Max)CrNiMoNitrogen (Max)2010.1515.50 - 7.500.060.0316.00 - 18.003.50 - 5.50-0.252020.1517.50 - 10.000.060.0317.00 - 19.004.00 - 6.00-0.253010.15120.0450.0316.00 - 18.006.00 - 8.00-0.13040.08120.0450.0318.00 - 20.008.00 - 10.50-0.1304L0.03120.0450.0318.00 - 20.008.00 - 12.00-0.1309S0.08120.0450.0322.00 - 24.0012.00 - 15.00--310S0.081.520.0450.0324.00 - 26.0019.00 - 22.00--3160.08120.0450.0316.00 - 18.0010.00 - 14.002.00 - 3.000.1316L0.03120.0450.0316.00 - 18.0010.00 - 14.002.00 - 3.000.1316Ti0.08120.0450.0316.00 - 18.0010.00 - 14.002.00 - 3.000.13170.080.7520.0450.0318.00 - 20.0011.00 - 14.003.00 - 4.000.1317L0.030.7520.0450.0318.00 - 20.0011.00 - 15.003.00 - 4.000.13210.080.7520.0450.0317.00 - 19.009.00 - 12.00-0.1  StandardMaterialTensile Strength(Mpa)Yield Strength(Mpa)Elongation(%)Hardness(HRB)ASTM A240201≥515≥260≥40≤95304≥515≥205≥40≤92316L≥485≥170≥30-430≥450≥205≥22≤89Selective Surface FinishItmeSurface finishingSurface finishing methodsMain applicationNO.1HRHeat treatment after hot rolling, pickling, or with treatmentFor without the purpose of the surface glossNO.2DWithout the SPMMethod of heat treatment after cold rolling, pickling surface roller with wool or eventually a light rolling a matte surface processingGeneral materials,building materials.NO.2BAfter SPMGiving No.2 processing materials appropriate method of cold light sheenGeneral materials, building materials ( most of the goods are processed )BABright annealedBright heat treatment after cold rolling , in order to be more shiny, cold light effectAutomotive parts, home appliances, vehicles, medical equipment, food equipmentNO.3Shiny, coarse grain processingThe NO.2D or NO.2B processing timber No. 100-120 polishing abrasive grinding beltBuilding materials, kitchen suppliesNO.4After CPLThe NO.2D or NO.2B processing timber No. 150-180 polishing abrasive grinding beltBuilding materials, kitchen supplies, vehicles, medical equipment, food equipment240#Grinding of fine linesThe NO.2D or NO.2B processing timber 240 polishing abrasive grinding beltKitchen appliances320#More than 240 lines of grindingThe NO.2D or NO.2B processing timber 320 polishing abrasive grinding beltKitchen appliances400#Close to BA lusterThe MO.2B timber 400 polishing wheel polishing methodBuilding materials, kitchen utensilsHL(hair lines)Polishing line having a long continuous processingIn a suitable size ( usually mostly No. 150-240 grit ) abrasive tape for as long as the hair, having a continuous processing method of polishing lineThe most common building materials processingNO.6NO.4 processing less than the reflection , the extinctionNO.4 processing material used for polishing Tampico brushingBuilding materials, decorativeNO.7Highly accurate reflectance mirror processingNo. 600 of the rotary buff with a polishingBuilding materials, decorativeNO