How do you guarantee product quality?

We conduct a pre-production sample before mass production, perform final inspection before shipment, and double-inspect all products by professional quality controllers.

What are the accepted payment terms and currencies?

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

What is the lead time for production?

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

6mm 8mm Excellent Surface Condition Headrest Tube Cold Drawn Welded Pipe

Name: 6mm 8mm Excellent Surface Condition Headrest Tube Cold Drawn Welded Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2120695265

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.

DIN2394 EN10305-3 ASTM A513 ASTM A513 GB/T13793

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

DIN2394 En10305-3 ASTM A513 ASTM A513 GB/T13793

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

Excellent Surface Condition: Smooth surface free from scale, rust, and imperfections with invisible welding seam.

High Precision & Accuracy: Good mechanical performance with high geometrical accuracy in eccentricity and roundness.

Wide Standard Compliance: Meets DIN2394, EN10305-3, ASTM A513, GB/T13793, and other international standards.

Customizable Specifications: Customized standards, delivery conditions, steel grades, and shapes per customer drawings.

High Strength & Durability: Features high torsional strength, durability, and excellent elongation at break values.

Versatile Surface Treatment: Options include Bright Annealing, Black Phosphating, Galvanizing, Spraying, and Chrome Plating.

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

Flexible Processing: Supports subsequent processing like bending, flattening, and welding as per application 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: ≤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 headrest tube?

It is primarily used for automotive seat headrests, outboard frames, and also suitable for pipeline transport, boiler pipes, hydraulic/automobile pipes, and machinery industry applications.

Q:What standards does this welded pipe comply with?

The product complies with multiple international standards including DIN2394, EN10305-3, ASTM A513, GB/T13793, JIS G3445, and others.

Q:What surface treatments are available?

Available surface treatments include Bright Annealing, Black Phosphating, Galvanizing, Spraying, and Chrome Plating to ensure excellent surface condition.

Q:Can the product be customized?

Yes, we offer customization for standards, delivery conditions, steel grades, certificates, and specific shapes according to customer drawings.

Q:What is the size range for this pipe?

The standard size range is OD 5-150mm with wall thickness 0.5-10mm. Specific product descriptions also mention OD 10-15mm with thickness 1.2-2.0mm.