What is the average lead time?

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

OEM Customized DIN2391 High Precision Cold Drawn Seamless Carbon Steel Pipes

Name: OEM Customized DIN2391 High Precision Cold Drawn Seamless Carbon Steel Pipes
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2128744965

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1,000.00-1,800.00

1 Ton

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

ST35 45 52

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Construction & Decoration

Section Shape

Round

Standard

DIN 2391

Steel Grade

St35, St45, St52

Certification

ISO 9001

Technology

Cold Drawn or Cold Rolled

Shape

Round Shape

Product Name

Seamless Carbon Steel Pipes

Transport Package

Wooden Box

Specification

OD2-100mm WT0.3-10mm

Trademark

OEM

Origin

China

HS Code

7304319000

Key features

DIN 2391 Precision Standard: High precision cold drawn seamless carbon steel pipes meeting DIN 2391 specifications.

Wide Steel Grade Options: Available in St35, St45, St52, 1010, 304, 316L and many other carbon and stainless grades.

Comprehensive Size Range: Outer diameter from 2mm to 250mm with wall thickness up to 24mm to suit various needs.

Multi-Industry Application: Ideal for automotive, hydraulic systems, oil & gas drilling, construction, and machinery.

Strict Quality Inspection: Includes 100% eddy current test, flattening, flaring, and chemical analysis verification.

Multiple Surface Treatments: Offers galvanized, cold drawn, and cold rolled finishes for optimal surface conditions.

Flexible Delivery Terms: Supports FOB, CFR, CIF, EXW, DDP, and DDU terms for global logistics flexibility.

OEM Customization Service: Provides OEM services with customizable standards, grades, and shapes per customer requirements.

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: ≤5.43h 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:Who are we?

We are based in Jiangsu, China, starting from 2010, selling to Eastern Asia, Mid East, Eastern Europe, Southeast Asia, Northern Europe, Domestic Market, South America, and Western Europe. There are total about 11-50 people in our office.

Q:How can you guarantee quality?

We always produce a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What products can you buy from us?

We supply Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, and Stainless Steel Tube.

Q:Why should you buy from us not from other suppliers?

We have an advanced production line and drawing with special oil to ensure the best surface condition, lower roughness, and good mechanical performance. We also have a professional team for inspection and random checks before delivery.

Q:What services can you provide?

Accepted Delivery Terms include FOB, CFR, CIF, EXW, DDP, DDU. Accepted Payment Currencies are USD, EUR, HKD, CNY. Accepted Payment Types are T/T, L/C, MoneyGram. Spoken languages are English, Chinese, Spanish, and Japanese.