stainless steel piping material manufacturer

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  • Zhejiang Dewei Stainless Steel Pipe Industry Co., Ltd Contact: Tony Zheng +86 13957333347

  • Contents Company Profile Material Available Testing Equipment Production Equipment Product Gallery Product Shipment Qualifications and Certificates Applications Business Partners Contact Us

  • Corporate MissionCommitted to The Development and Production of Stainless Steel Pipe Industry, With Quality Products and Services Continuously to Create Greater Customer ValueVision To Become An Internationally Renowned Manufacturer of Stainless Steel Piping SystemsCore Values Self-discipline . PersistenceBACK

  • Company Profile198612088100



    JCO,630, 6-9140.5mm60mm630-15242mm80mm914 2mm100mm

    (N08904,N06600,N08825)(S32750S31803, S32205)(310S309S316L321304L304)(430, 409L) (C70600 , C70620)(254SMO,S30815,253MA)

    Founded in 1986, Zhejiang Dewei Stainless Steel Pipe Industry Co.,Ltd. is a professional manufacturer of welded stainless steel pipes & tubes and fittings for industrial applications. Dewei is located at Jiaxing, Zhejiang, China, with about 120 KM away from PVG (Shanghai Pudong International airport), 88KM away from SHA (Shanghai Hongqiao Airport),100KM away from HIA (Hangzhou International Airport).With registered capital of 100.3 million RMB and total investment of 350 million RMB. Dewei has an annual production capacity of 50,000 tons and sales of 1500 million RMB by 2015.

    The production of Dewei not only comply with domestic quality-relatedcertificates, such as GB, HG and SH; it also follows international standards, such as ISO,DIN,ASTM,EN, and JIS. Currently, Dewei has been certified with API Spec Q1, API Spec 5LC, ASME and PED. Dewei has submitted the documentation for the review of CCS, BV, LR,DNVGL, ABS. Dewei has equipped with JCO welding production line , 630 automatic continuous production line, multiple sets of single sided and double sided German plasma, submerged arc welding equipment. Dewei can produce the welded stainless steel pipes or tubes with single straight seam (6-914, wall thickness from 0.5mm to 60mm), double straight seam (630-1524, wall thickness from 2mm to 80mm), and circular seam (above 914, wall thickness from 2mm to 100mm).

    Dewei s main stainless steel grades are: Ni-Alloys (N08904,N06600,N08825,etc),Duplex(S32750,S31803,S3225,etc), Austeni te (310S,309S,316L,321,304L,304 etc ), Copper Nickel Alloy (C70600,C70630) and Ferrite (430,409L etc) and other special material (254SMO,S30815,253MA).Looking forward to building up and developing long-term cooperation with mutual benefits.


  • Material Available Size

    1. Austenitic Stainless Steel (310S309S316L321304L304)2. Duplex S32750,S31803, S32760S32205)3. Nickel-Base Alloy (N08904,N06600,N08825 )4. Copper Nickel Alloy (C70600, C70620)5. Ferrite (430, 409L)6. Other Special Materials (254SMO,S30815,253MA)Single Straight Seam 6-914 Wall Thickness 0.5mm-60mm

    Double Straight Seam 630-1524 Wall Thickness 2mm-80mm

    Circular Seam above 914 Wall Thickness 2mm-100mmBACK

  • Inspection Equipment BACK

  • To achieve satisfy customers' expectations, Dewei is totally committed to implementing and maintaining the Quality Management System. Quality problem arising in various areas are to be identified and solved with speed, technical and efficiency.


  • Production Equipment Decoiling, Slitting and Rewinding UnitSmall Caliber Pipe Production LineJCOJCO Welding Production LineGantry Welding MachineBACK

  • JCOJCO Welding Production LineHeat Treatment Furnace Gantry Welding MachineGas Annealing FurnaceBACK

  • Product Gallery:Product Standards for Pipes:

    ASTMA778,A312,A249,A269,A358,A409,A554,A668,A789,A790,A928JIS3459,JS3468EN10217-(1--7)GB/T21832-2008 GB/T24593-2009 GB/T12771-2008,HG20537.1-92 HG20537.2-92 HG20537.3-92 HG20537.4-92


  • Product GalleryBACK

  • Product Gallery

    * ():

    3/8 2417.15mm 610.08mm

    ASTM A403ASME B16.9GB/T12459-2005GB/T13401-2005,SH3048SH3409;DIN2605,DIN2617oct 173752001oct 173762001oct 173782001EN10253-3EN10253-4ISO2037ASME B 16.5 ASME B16.36GB9112--9124



    We supplyseamless and welded pipe fittings (elbows, reducers, tees, bends, stubs) for different applications.

    Typical Stock Size Range* (size range might differ based on material grade):

    3/8 2417.15mm 609.6mm

    *Larger sizes and project specific dimensions manufactured to order.

    Production standards

    American StandardASTM A403ASME B16.9National StandardGB/T12459-2005GB/T13401-2005,SH3048SH3409;German StandardDIN2605,DIN2617Russian Standardoct 173752001oct 173762001oct 173782001European StandardEN10253-3EN10253-4ISO2037ASME B 16.5 ASME B16.36GB9112--9124


  • Product Shipment BACK

  • Product Shipment

    With good services and prompt delivery, Dewei has gradually established its corporate brand image.


  • CertificationBusiness LicenseOrganization Code CertificateTax Registration Certificate;BACK

  • CertificationISO18001ISO18001 OHSAS Certification ISO14001ISO 14001 CertificationBACK

  • CertificationManufacture License of Special Equipment Foreign Trade Operator Registration Form BACK

  • Certification Pressure Pipeline Type Test BACK

  • Certification API 5LC CRA Line Pipe BACK

  • Certification ISO 9001 2008ISO 9001:2008 Quality Management System Standards PEDPED certificate

  • CertificationTV ASME TV Rheinland ASME Certificate

  • ApplicationsLNG LNG Liquefied Natural GasPharmaceutical Sanitary TubesPetrochemical IndustryChemical TankersBACK

  • ApplicationsWharf EngineeringElectrical Conduits Wastewater TreatmentOcean EngineeringBACK

  • Applications Food-grade Stainless Steel Pipe Paper MachineryBACK

  • Business Partners Due to excellent after-sale servicehigh-quality products and prompt delivery, Dewei established long-term cooperation with domestic and overseas well-known enterprise , such as Sun Paper Company, Indonesia Sinar Mas Group, Wahaha, Luxi, French Liquid Air, CNOOC, Petro China, Sinopec and so on. BACK

  • Raw Material & Brands BACK

  • Welcome to Contact us888314005Registered &Factory Address: No.888 Jiagang Road, Xinfeng Town, Nanhu Dist., Jiaxing, Zhejiang, China, 314005

    62314001Headquarter OfficeNo.62 Headquarters Business Garden, Xincheng Road, Nanhu Dist., Jiaxing, Zhejiang, China, 314001

    /Contact: Tony Zheng +86 13957333347