What certifications do your products have?

Our products are certified under ISO 9001, TS16949, and come with EN 10204 3.1 test reports.

What are the main applications for these pipes?

They are widely used in automotive powertrains, hydraulic systems, machinery, oil/gas drilling, and heat exchangers.

High Strength ERW Welded Motorcycle Bushing Carbon Steel Pipe

Name: High Strength ERW Welded Motorcycle Bushing Carbon Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2133020865

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless or Welded

Technique

Cold Drawn

Model NO.

St34-2 St37-2 St44-2 St52-3

Material

Carbon

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

DIN2393 2394

Delivery Condition

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

Steel Grade

St34-2 St37-2 St44-2 St52-3

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive,Hydraulic System and Precision Device

Od

2-60mm

Wt

0.4-10mm

Transport Package

Plywood Box or Bundles

Specification

OD10-55mm

Trademark

Origin

China

HS Code

7304319000

Key features

High Strength Carbon Steel: Made from high strength carbon steel grades like St34-2, St37-2, St44-2, and St52-3 for durability.

Precision Manufacturing: Cold drawn technique with bright annealing, black phosphating, or galvanizing for superior surface finish.

Wide Application Scope: Suitable for automotive, hydraulic systems, machinery, oil/gas drilling, and heat exchangers.

Strict Quality Control: 100% inspection including tensile strength, chemical analysis, and eddy current testing.

Multiple Delivery Conditions: Available in BK, BKW, BKS, GBK, NBK conditions to meet specific mechanical property requirements.

Certified Quality: Complies with ISO 9001, TS16949, and EN 10204 3.1 certificate standards.

Customizable Dimensions: OD range 2-60mm and WT 0.4-10mm available to suit various pipeline and structural needs.

Advanced Production Line: Uses special oil drawing to ensure low roughness and excellent mechanical performance.

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: ≤5.72h 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.