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Seamless Steel Seamless Pipe Price
US$1.50-5.00
1,000 kg
Product profile
Customization
AvailableType
SeamlessTechnique
Cold DrawnModel NO.
seamless steel seamless pipe priceMaterial
Carbon SteelSurface Treatment
Bright, Black Phosphated, GalvanizingUsage
Hydraulic/Automobile PipeSection Shape
RoundStandard
DIN 2391, En10305-1, En10305-4, BS 6323, ISO 8535Delivery Condition
Bk, Gbk, Bkw, Bks or NbkSteel Grade
St35, St37, St37.4, E235, E355, St45, St52.4, etcCertificate
ISO 9001 Ts16949Secondary or Not
Non-SecondaryApplication
Automotive Industry, Hydraulic System, Other IndusTransport Package
Plywood Box or BudlesSpecification
OD2mm -60mmTrademark
CWOrigin
ChinaHS Code
7304319000Key features
High Precision Cold Drawn: Cold drawn precision carbon and alloy steel seamless tube for automotive and hydraulic applications.
Wide Steel Grade Options: Available in St35, St37, St45, St52, E235, E255, E355, 10, 20, 45, Q345B, and customized grades.
Multiple Surface Treatments: Options include bright, black phosphated, galvanizing (silver, yellow, olive green) with 8-20um thickness.
Strict Delivery Conditions: Delivered in BK, BKW, BKS, GBK, or NBK conditions to meet specific mechanical requirements.
Comprehensive Testing: All tubes checked per production standards with supplementary chemical, mechanical, and technological tests.
International Certifications: Compliant with DIN 2391, EN10305, BS 6323, ISO 8535, and certified under ISO 9001/Ts16949.
OEM Service Available: Customized modified steel grades and specific requirements available upon request.
Dual Inspection Quality Control: Products undergo double inspection by professional quality controllers before delivery.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤5.21h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryZhangjiagang Chewit is a China-based limited trading company established in 2010, with stated precision-tube and steel-forging manufacturing activities. The supplier reports ISO9001:2015 certification, more than 10 production lines, approximately 5,000 tons of annual seamless-steel-pipe productivity, broad export-market coverage, and one-month lead times in both peak and off-peak seasons. Its quality claims include 100% dimensional and surface checks, batch chemical and mechanical testing, and non-destructive testing upon request. Evidence is insufficient to assess after-sales service, financial credibility, and customization capability. Innovation evidence is limited to an associated forging operation reporting 11 authorized patents, while customer evidence consists of one listed buyer and one trade transaction.
Supplier typeThe supplier is identified as a China-based limited company and trade company, with stated manufacturing activities in precision steel tubes and forgings. Its product scope includes seamless, welded, carbon, stainless, hydraulic, cold-drawn, and precision tubes, indicating a specialized steel-product supplier with both trading and manufacturing positioning.
CertificationsThe supplier explicitly reports an ISO9001:2015 management-system certificate. It also describes inspection and industry-related qualifications associated with its forging operation, including API 20B, PED, and classification-society credentials, although the scope and holder of each qualification are not separately specified.
R&D capabilityThe supplier describes advanced production and inspection equipment, precision-tube manufacturing, and a forging operation with 11 authorized patents, including three invention patents. These statements provide explicit but limited evidence of process and product-development capability, mainly linked to the forging operation rather than clearly to the entire supplier entity.
Production capacityThe supplier reports more than 10 production lines, annual seamless-steel-pipe productivity of 5,000 tons, heat-treatment furnaces, inspection equipment, and manufacturing of precision tubes and forgings. The descriptions also cite a 10,000-square-meter tube operation and a substantially larger forging facility, although employee and facility figures are inconsistent across slices and should be verified.
Client casesThe supplier states that it serves wind power, oil and gas, transportation, shipbuilding, and gearbox sectors and has entered the global purchasing system of a major company since 2006. The trade data identifies one buyer and one transaction, so sector references are available but the breadth and depth of verifiable customer cases remain limited.
Product Q&A
Q:What steel grades are available for this seamless pipe?
A:
We offer a wide range including St35, St37, St45, St52, E235, E255, E355, 10, 20, 45, Q345B, and customized modified grades.
Q:What surface treatments can be applied to the tubes?
A:
Options include bright, black phosphated, and galvanizing (silver, yellow, olive green) with layer thickness of 8-20um.
Q:What are the delivery conditions for the precision tubes?
A:
Tubes are delivered in BK, BKW, BKS, GBK, or NBK conditions depending on the required mechanical properties.
Q:Do you provide quality inspection reports?
A:
Yes, all products undergo double inspection, and we provide vivid reports for tested items according to EN 10204 3.1.
Q:What are the main applications for these seamless pipes?
A:
They are used in automotive fuel injection, CNG tubes, hydraulic circuits, cylinders, and various industrial machinery.
Send Inquiry
*To:
Zhangjiagang Chewit International Co., Ltd.
Zhangjiagang Chewit International Co., Ltd.*Content:
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