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Customized Automobile Airbag Tube Seamless Cold Drawn Carbon Steel Pipe
US$1.50-7.00
1,000 kg

Product profile

Customization

Available

Type

Welded

Technique

Cold Drawn

Model NO.

ST34-2 37-2 44-2 52-3

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, Heat Exchanger

Section Shape

Round

Standard

En10305-3,GB/T 3639,DIN 2391,DIN 2394

Delivery Condition

Bkw, Bkw, Nbk,+Cr1 +Sr,Cold Drawn

Steel Grade

E255 E355,20# 16mn,St45 St52,

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive,Hydraulic System and Precision Device

Od

10-55mm

Wt

1.5-4mm

Transport Package

Plywood Box or Bundles

Specification

OD10-55mm

Trademark

CW

Origin

China

HS Code

7304319000

Key features

Customized Dimensions: OD 10-55mm and WT 1.5-4mm available with other materials upon request.
Multiple Surface Treatments: Options include Bright Annealing, Black Phosphating, and Galvanizing.
Wide Application Scope: Suitable for automotive, hydraulic systems, machinery, and chemical industries.
Strict Quality Inspection: 100% Eddy Current Test, size/surface check, and professional pre-shipment inspection.
Certified Standards: Complies with ISO 9001, TS16949, EN10305-3, GB/T 3639, and DIN standards.
Advanced Manufacturing: Cold drawn technique with special oil for low roughness and best surface condition.

Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤5.21h 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 standard dimensions for this pipe?
A:
The standard Outer Diameter (OD) ranges from 10-55mm, and Wall Thickness (WT) ranges from 1.5-4mm. Other dimensions and materials are available upon request.
Q:What surface treatments are available?
A:
We offer Bright Annealing, Black Phosphating, and Galvanizing to meet different application requirements.
Q:Which industries can use this product?
A:
It is widely used in pipeline transport, boiler pipes, hydraulic/automobile pipes, oil/gas drilling, machinery industry, and chemical industry.
Q:How do you guarantee product quality?
A:
We conduct a pre-production sample check, 100% Eddy Current Test, size and surface checking, and a final inspection before shipment.
Q:What certifications does the product have?
A:
The product is certified under ISO 9001, TS16949, EN10305-3, GB/T 3639, and DIN 2391/2394 standards.

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*To:Zhangjiagang Chewit International Co., Ltd.Zhangjiagang Chewit International Co., Ltd.
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