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High Purity Precision Ba Stainless Seamless Tube
US$8.00-15.00
100 kg
Product profile
Customization
AvailableType
SeamlessTechnique
Cold Drawn and Cold RollMaterial
Stainless SteelSurface Treatment
Ba(Bright Annealed), Electrolytic PolishingUsage
Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Special Purpose, Pharmaceutical, Semiconductor, Laboratory GasSection Shape
RoundStandard
ASTM A269, A312, A249, A554, A789,A790, A268Delivery Condition
Ba, Ap, EpSteel Grade
304, 304L, 316, 316LCertificate
ISO 9001 Ts16949Secondary or Not
Non-SecondaryApplication
Pharmaceutical, Semiconductor, Laboratory GasTransport Package
Plywood Box or BudlesSpecification
OD1mm -40mmTrademark
CWOrigin
ChinaHS Code
7306610000Key features
High Purity Precision: Precision BA stainless seamless tubes for pharmaceutical, semiconductor, and lab gas applications.
Multiple Surface Treatments: Available in BA, AP, Mechanical Polished, and Electro-polished finishes for specific needs.
Wide Size Range: OD: 1.5-50mm, wall thickness: 0.3-4mm, length as per customer request.
Strict Quality Control: Double inspected by professional quality controllers with vivid test reports provided.
Customizable Grades: Available in 304, 304L, 316, and 316L stainless steel grades to meet specific requirements.
Standard Compliance: Meets ASTM A269, A312, A249, A554, A789, A790, and A268 standards.
Versatile Applications: Suitable for hydraulic, automotive, oil/gas, food, chemical, and pharmaceutical industries.
OEM Service Available: OEM service is available to meet specific customer manufacturing needs.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤7.35h 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 are the available surface treatments?
A:
We offer BA (Bright Annealed), AP (Anneal and Polished), Mechanical Polished, and Electro-polished (EP) delivery conditions.
Q:What stainless steel grades are available?
A:
We provide 304, 304L, 316, and 316L stainless steel grades, each with specific chemical and mechanical properties.
Q:What is the size range for the tubes?
A:
The outer diameter ranges from 1.5mm to 50mm, with wall thickness from 0.3mm to 4mm. Length is customized per request.
Q:What standards do the tubes comply with?
A:
Our tubes comply with ASTM A269, A312, A249, A554, A789, A790, and A268 standards.
Q:What is the lead time for delivery?
A:
The average lead time is one month for both peak season and off-season periods.
Send Inquiry
*To:
Zhangjiagang Chewit International Co., Ltd.
Zhangjiagang Chewit International Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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