What is the typical lead time for production?

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

What is the size range of the cold drawn welded tubes?

The size range typically covers OD 2-60mm with WT 0.3-10mm, and OD 3-30mm with ID 1-12.5mm, depending on the specific standard and steel grade.

Where is the manufacturer located?

The manufacturer is based in Zhangjiagang City, Jiangsu, China, which is conveniently located near Shanghai, Suzhou, and Wuxi, with access to Zhangjiagang international port.

DIN2393 5mm 10mm High Quality Chassis Pipe Cold Drawn Welded Tube

Name: DIN2393 5mm 10mm High Quality Chassis Pipe Cold Drawn Welded Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2120675125

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.00-7.00

1,000 kg

Product profile

Customization

Available

Type

Welded

Technique

Cold Drawn

Model NO.

DIN2393 2394 EN10305-2 10305-3 JIS G3445 ASTM A512

Material

Carbon Steel

Surface Treatment

Bright Annealing, Black Phosphating, Galvanizing

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry

Section Shape

Round

Standerd

DIN2393 2394 En10305-2 10305-3 JIS G3445 ASTM A512

Delivery Condition

Bk (+C) Bkw (+LC) Bks (+Sr) Gbk (+a) Nbk (+N)

Steel Grade

St34-2 37-2 E195 235 275 355

Certificate

ISO 9001 Ts16949

Application

Automotive

Transport Package

Box or Bundles

Specification

OD2-60mm WT0.3-10mm

Trademark

Origin

China

HS Code

7304319000

Key features

High Precision & Smooth Surface: Smooth surface free from scale, rust, and imperfections with high precision size control.

Invisible Welding Seam: Welding seam is invisible and untouchable, ensuring superior mechanical performance.

Wide Standard Compliance: Complies with DIN 2393, EN 10305, ASTM A512, JIS G3445, and other international standards.

100% Inspection Guarantee: Eddy current test, size, and surface checking performed at 100% before delivery.

Multiple Surface Treatments: Available with Bright Annealing, Black Phosphating, and Galvanizing surface treatments.

Automotive & Hydraulic Application: Ideal for automotive powertrain, hydraulic systems, and precision machinery components.

Diverse Steel Grade Options: Available in St34-2, St37-2, St44-2, St52-3, and various low carbon steel grades.

Flexible Delivery Conditions: Offers BK, BKS, GBK, NBK, and other specific delivery conditions for diverse needs.

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: ≤5.43h 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 cold drawn welded tube?

It is widely used for vehicle powertrain systems (fuel lines, cooling pipes), hydraulic and pneumatic pressure lines, automotive steering systems, and mechanical engineering parts like heat exchangers and gas cylinders.

Q:What standards does this product comply with?

The product complies with multiple international standards including DIN 2393/2391, EN 10305, ASTM A512/A822/A179/A519, JIS G3445/G3455, ISO 8535, NF A49-310, BS 3602/6323, and GOST 8733-74.

Q:What surface treatments are available?

Available surface treatments include Bright Annealing, Black Phosphating, and Galvanizing to ensure corrosion resistance and aesthetic quality.

Q:How is quality guaranteed before shipment?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment. This includes 100% Eddy Current Test, size checking, and surface checking by a professional team.

Q:What are the accepted payment terms and currencies?

Accepted payment types include T/T, L/C, and MoneyGram. Accepted currencies are USD, EUR, HKD, and CNY. Delivery terms include FOB, CFR, CIF, EXW, DDP, and DDU.