What are the accepted payment terms and delivery terms?

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

What is the lead time for production?

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

Anti Abrasive Thick Wall Small Size Cold Drawn Seamless Steel Tube

Name: Anti Abrasive Thick Wall Small Size Cold Drawn Seamless Steel Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2128193515

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.

EN 10305-1/10305-4

Material

Carbon and Stainless

Surface Treatment

Bright Annealing, Black Phosphating, Galvanizing

Usage

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

Section Shape

Round

Standard

En 10305-1/10305-4

Delivery Condition

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade

E215/235/255/355

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

High Precision & Low Roughness: Cold drawn seamless tubes feature precise dimensions and lower roughness for both inner and outer surfaces.

Wide Material & Grade Options: Available in Carbon, Alloy, and Stainless Steel with grades like ST35, ST52, 304, 316L, and more.

Comprehensive Standard Compliance: Meets international standards including DIN, ASTM, EN, JIS, GB/T, and ISO for global applicability.

Versatile Industrial Applications: Ideal for automotive, hydraulic systems, heat exchangers, mining, aerospace, and precision engineering.

Rigorous Quality Inspection: 100% Eddy Current Test, size/surface checking, and professional inspection before delivery ensure quality.

Multiple Surface Treatments: Options include Bright Annealing, Black Phosphating, and Galvanizing to suit different environmental needs.

Flexible Delivery Conditions: Available in BK, GBK, BKS, NBK, and other conditions to match specific mechanical performance requirements.

Custom OEM Service: OEM service available with customizable steel grades, certificates, and delivery conditions per EN 10305.

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: ≤6.96h 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 advantages of these cold drawn seamless steel tubes?

The main advantages include high precision in size, excellent mechanical performance, and lower roughness for both inner and outer surfaces.

Q:What materials and steel grades are available?

Materials include Carbon Steel, Alloy Steel, and Stainless Steel. Common grades are ST35, ST45, ST52, 1010, 1045, 304, 316L, and others as per standards like DIN, ASTM, and EN.

Q:What are the typical applications for these tubes?

They are widely used in the automotive industry, hydraulic and pneumatic pressure lines, heat exchangers, mining machinery, aerospace, and precision engineering.

Q:What quality inspection methods are performed?

We perform 100% Eddy Current Test, size and surface checking, tensile strength, yield strength, elongation, flattening, flaring, and chemical analysis.

Q:What international standards do the tubes comply with?

The tubes comply with various standards including DIN 2391, EN 10305-1/10305-4, ASTM A822/A179/A519/A269, JIS G3445/G3455, GB/T 8162/8163, and ISO 8535.