What certifications does the product hold?

The product complies with GB/T24187-2009 standards and holds ISO 9001 and TS16949 certifications.

What is the mechanical composition of the steel?

The steel has a tensile strength of at least 270 N/mm2, yield strength of at least 180 N/mm2, and elongation of at least 14%.

How is the product packaged?

The tubes are packed in iron frames for safe transportation.

4.76*0.6mm Single Side Copper Coated Welded Steel Tube for Refrigerator

Name: 4.76*0.6mm Single Side Copper Coated Welded Steel Tube for Refrigerator
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2067292085

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-3.00

1,000 kg

Product profile

Customization

Available

Type

Welded

Technique

Cold Drawn

Material

Carbon Steel

Surface Treatment

Zinc or Copper Coated

Usage

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

Section Shape

Round

Standard

GB/T24187-2009

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Refrigerator, Condensor, Hydraulic Brake Lines

Product Name

Bundy Tube

Od

4-10mm

Thickness

0.5-1.0mm

Packing

Iron Frame

Transport Package

Iron Frame

Specification

OD4-10mm

Trademark

Origin

China

HS Code

7304319000

Key features

Refrigerator Application: Specifically designed for household refrigeration, AC heat exchangers, and hydraulic brake lines.

High Frequency Welding: Manufactured using high frequency induction welding for minimal internal weld bead and smooth finish.

Corrosion Resistant Coating: Available with copper-plated or zinc-coated surfaces for enhanced durability and uniform coverage.

Strict Quality Inspection: All products undergo double inspection by professional quality controllers before delivery.

Airtight Seal Test: Sealed tested at 1.6Mpa with Nitrogen to ensure zero leakage.

Precise Dimension Tolerance: Outer diameter tolerance of +0.03mm/-0.03mm and wall thickness tolerance of +0.03mm/-0.01mm.

OEM Service Available: Customization services are available to meet specific customer requirements.

ISO 9001 Certified: Manufacturing process adheres to ISO 9001 and TS16949 standards.

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: ≤6.72h 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.