What standards do you comply with?

EN10305, DIN2393, ASTM A519, GB/T8162, and other international standards.

What is the lead time?

Average lead time is one month for both peak and off-peak seasons.

What payment terms are accepted?

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

Structural Cold Drawn 30CrMo Welded Pipe for Automotive Frame Tube

Name: Structural Cold Drawn 30CrMo Welded Pipe for Automotive Frame Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2071517065

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 37-2 44-2 52-3

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

En10305-3DIN2393,ASTM A519,GB/T8162

Delivery Condition

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

Steel Grade

Q345, 20cr, 40cr, 20crmo, 30-35CrMo, 42CrMo, etc.

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive,Hydraulic System and Precision Device

Size

Size as Per Real Request

Transport Package

Plywood Box or Bundles

Specification

OD5-150mm

Trademark

Origin

China

HS Code

7304319000

Key features

Customizable Size: Size as per real request, covering OD 3-100mm across various standards.

Multiple Surface Treatments: Options include Bright Annealing, Black Phosphating, and Galvanizing.

Wide Material Selection: Available in Carbon Steel grades like 20Cr, 40Cr, 30-35CrMo, and 42CrMo.

Strict Quality Inspection: 100% Eddy Current Test, Size/Surface check, and Chemical Analysis.

Versatile Applications: Suitable for Automotive Frames, Hydraulic Systems, and Precision Devices.

Multiple Delivery Conditions: Offers BK, BKW, BKS, GBK, and NBK conditions to meet specific needs.

International Standards: Complies with EN10305, DIN2393, ASTM A519, and GB/T8162 standards.

Professional Manufacturing: Advanced cold drawn process ensuring low roughness and good 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: ≤6.53h 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.