How is quality control managed?

All products undergo double inspection by professional quality controllers, and only those passing inspection are delivered to customers.

What are the payment terms?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

What is the lead time for delivery?

The average lead time is one month for both peak season and off-season.

Polished Seamless Stainless Steel Tube

Name: Polished Seamless Stainless Steel Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 943398995

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$8.00-15.00

100 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn and Cold Roll

Material

Stainless Steel

Surface Treatment

Ba(Bright Annealed), Electrolytic Polishing

Usage

Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Special Purpose, Pharmaceutical, Semiconductor, Laboratory Gas

Section Shape

Round

Standard

ASTM A269, A312, A249, A554, A789,A790, A268

Delivery Condition

Ba, Ap, Ep

Steel Grade

304, 304L, 316, 316L

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Pharmaceutical, Semiconductor, Laboratory Gas

Transport Package

Plywood Box or Budles

Specification

OD1mm -40mm

Trademark

Origin

China

HS Code

7306610000

Key features

High Purity Precision: BA stainless seamless tube suitable for pharmaceutical, semiconductor, and lab gas applications.

Wide Material Selection: Available in 304, 304L, 316, and 316L stainless steel grades with precise chemical composition.

Flexible Size Options: OD ranges from 1.5 to 50 mm with wall thickness from 0.3 to 4 mm, customized to request.

Multiple Surface Treatments: Offers BA, AP, Mechanical Polished, and Electro-polished (EP) delivery conditions.

Strict Quality Control: Double inspection by professional quality controllers ensures only qualified products are delivered.

Versatile Application: Ideal for hydraulic, automotive, oil/gas drilling, food, chemical, and machinery industries.

Standard Compliance: Meets ASTM A269, A312, A249, A554, A789, A790, and A268 standards with ISO certification.

Reliable Manufacturer: Established in 2010 with 150,000 sqm area, ensuring consistent supply and quality service.

Company profile

Zhangjiagang Chewit International Co., Ltd.

Jiangsu, China

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 stainless steel grades?

We provide 304, 304L, 316, and 316L stainless steel grades, each with specific chemical compositions for high purity and precision.

Q:What surface treatments are available?

We offer Ba (Bright Annealed), AP (Anneal and Polished), Mechanical Polished, and Electro-polished (EP) delivery conditions.

Q:What is the size range for the tubes?

The outer diameter (OD) ranges from 1.5 to 50 mm, and wall thickness ranges from 0.3 to 4 mm, customizable as per customer request.

Q:Which industries can use these tubes?

These tubes are suitable for hydraulic/automobile pipes, oil/gas drilling, food/beverage, machinery, chemical, pharmaceutical, semiconductor, and laboratory gas applications.

Q:What standards do the tubes comply with?

The tubes comply with ASTM A269, A312, A249, A554, A789, A790, and A268 standards, and we hold ISO 9001 and Ts16949 certificates.