What is the lead time for production?

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

Can the product be customized?

Yes, we offer customized sizes, steel grades, and delivery conditions to meet specific customer requirements.

Where is the company located?

We are based in Zhangjiagang City, Jiangsu, China, with convenient access to Shanghai and major transportation hubs.

ISO 8535 Od6mm Wt1.5mm Customized Size Cold Rolled Seamless Steel Tubing

Name: ISO 8535 Od6mm Wt1.5mm Customized Size Cold Rolled Seamless Steel Tubing
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2123233245

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

ST35 52.4etc

Material

Carbon Steel

Surface Treatment

Galvanized

Standard

DIN2391, En 10305-1, JIS G3445, ASTM A519

Delivery Condition

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade

St35, St45, St52, E235, E355, 1010, Stkm 11A

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive, Hydraulic System and Precision Device

Transport Package

Plywood Box or Bundles

Specification

OD2-60mm

Trademark

Origin

China

HS Code

7304319000

Key features

Precision Cold Drawn: Cold drawn seamless steel tubing with precise size control and low surface roughness.

Wide Material Options: Available in Carbon Steel, Alloy Steel, and Stainless Steel with various grades.

Multiple Standards: Complies with DIN, ASTM, JIS, EN, and ISO standards for global compatibility.

Versatile Applications: Ideal for automotive, hydraulic systems, precision devices, and machinery.

Customizable Size: OD range 2-60mm and WT 0.3-10mm, customizable to specific requirements.

Rigorous Inspection: 100% eddy current test, size, and surface checking before delivery.

Quality Assurance: Pre-production samples and final inspections ensure consistent product quality.

Flexible Payment: Accepts T/T, L/C, USD, EUR, HKD, and CNY for convenient transactions.

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: ≤4.96h 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 main applications of this steel tubing?

It is widely used in the automotive industry, hydraulic and pneumatic systems, precision engineering, heat exchangers, mining machinery, and aerospace.

Q:What materials and standards are available?

Materials include Carbon Steel, Alloy Steel, and Stainless Steel. Standards cover DIN 2391, ASTM A519, JIS G3445, EN 10305-1, and ISO 8535.

Q:What is the size range for the tubing?

The Outer Diameter (OD) ranges from 2mm to 60mm, and Wall Thickness (WT) ranges from 0.3mm to 10mm.

Q:How do you guarantee product quality?

We provide pre-production samples before mass production and conduct final inspections before shipment, including 100% eddy current and surface checks.

Q:What payment terms and currencies are accepted?

We accept T/T and L/C payments in USD, EUR, HKD, and CNY. Delivery terms include FOB, CFR, CIF, EXW, DDP, and DDU.