What payment terms are accepted?

We accept T/T, L/C, MoneyGram, and payments in USD, EUR, HKD, and CNY.

How do you guarantee quality?

We provide pre-production samples before mass production and conduct final inspections before shipment, including 100% eddy current and size checks.

Can you provide OEM services?

Yes, OEM service is available, and we can customize standards, steel grades, and delivery conditions as per customer requirements.

Automotive Pipe High Precision Quality Bushing Cold Drawn Welded Carbon Steel Pipe

Name: Automotive Pipe High Precision Quality Bushing Cold Drawn Welded Carbon Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2137593685

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.00-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

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

Material

Carbon Steel

Usage

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

Section Shape

Round

Standerd

DIN2391 GB/T8162 ASTM A822 SAE J524

Delivery Condition

Bk (+C) Bkw (+LC) Bks (+Sr) Gbk (+a) Nbk (+N)

Steel Grade

St35 45 52 37 44 37.4 52.4

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: Cold drawn welded carbon steel pipe ensuring high precision and quality for automotive bushes.

Wide Material Range: Available in St35, 45, 52, 37, 44, E255, E355, 20#, 16Mn, and other materials as per request.

Comprehensive Certifications: ISO 9001, TS16949, EN 10204 3.1, DIN2391, GB/T8162, ASTM A822, SAE J524 certified.

100% Inspection: Eddy current test, size, and surface checking performed at 100% to guarantee quality.

Versatile Applications: Suitable for automotive, hydraulic, pneumatic, fuel lines, and mechanical engineering usage.

Multiple Delivery Conditions: Options include BK, BKW, BKS, GBK, NBK to meet specific surface and performance needs.

Custom Standards: Customizable standards and steel grades to fit specific customer requirements and applications.

Quality Assurance: Pre-production samples and final inspections before shipment ensure consistent product quality.

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: ≤4.32h 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 available steel grades?

We offer St35, 45, 52, 37, 44, 37.4, 52.4, E255, E355, 20#, 16Mn, ST45, ST52, St34-2, St37-2, St44-2, and St52-3, with other materials available upon request.

Q:What are the standard dimensions?

The Outer Diameter (OD) ranges from 10-55 mm, and Wall Thickness (WT) ranges from 1.5-4 mm.

Q:What delivery conditions are available?

We provide BK (+C), BKW (+LC), BKS (+SR), GBK (+A), and NBK (+N) delivery conditions.

Q:What certifications do you have?

Our products are certified under ISO 9001, TS16949, EN 10204 3.1, DIN2391, GB/T8162, ASTM A822, and SAE J524.

Q:What is the lead time for production?

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