What are the main applications of these pipes?

Applications include automotive powertrain and fluid systems, mechanical engineering, heat exchange, gas cylinders, aerospace, and energy generation.

What standards do your steel tubes meet?

Our tubes meet standards such as DIN 2391/2393/2394, EN 10305, ASTM A512/A513, JIS G3445, GB/T 8162/8163, and ISO 8535.

What is the production capacity and location?

We are located in Zhangjiagang City, Jiangsu, China, with a total area of 150,000 square meters and over 200 employees.

En10305-2 Od5mm Wt0.5mm High Strength Cold Drawn Welded Chassis Pipe

Name: En10305-2 Od5mm Wt0.5mm High Strength Cold Drawn Welded Chassis Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2121158605

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 Cold Drawn: Smooth surface free from scale, rust, and imperfections with low inner roughness.

Invisible Welding Seam: Welding seam is invisible and untouchable ensuring structural integrity.

Wide Standard Compliance: Meets DIN, EN, ASTM, JIS, GB, and ISO standards for global compatibility.

Diverse Steel Grades: Available in St34-2, E195, 304, 316L, and many other carbon and stainless grades.

Comprehensive Surface Treatment: Options include Bright Annealing, Black Phosphating, and Galvanizing.

Rigorous Quality Inspection: 100% Eddy Current Test and size/surface checking before shipment.

Automotive Application Ready: Ideal for fuel rails, hydraulic lines, power steering, and chassis systems.

Flexible Delivery Conditions: Available in BK, BKS, BKS, GBK, and NBK conditions to suit specific 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: ≤7.52h 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:Who are we?

We are based in Jiangsu, China, starting from 2010, with 11-50 office staff. We sell to Eastern Asia, Mid East, Eastern Europe, Southeast Asia, Northern Europe, Domestic Market, South America, and Western Europe.

Q:How can you guarantee quality?

We always produce a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What products can you buy from us?

We supply Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, and Stainless Steel Tube.

Q:Why should you buy from us not from other suppliers?

We use advanced production lines with special oil for best surface conditions, low roughness, good mechanical performance, and a professional inspection team.

Q:What services can you provide?

We accept delivery terms like FOB, CFR, CIF, EXW, DDP, DDU; payment currencies USD, EUR, HKD, CNY; and payment types T/T, L/C, MoneyGram. We speak English, Chinese, Spanish, and Japanese.