What are the accepted payment terms and delivery conditions?

Accepted payment types include T/T and L/C in USD, EUR, HKD, or CNY. Delivery terms include FOB, CFR, CIF, EXW, DDP, and DDU.

Can you customize the pipe specifications?

Yes, we offer customization for standards, delivery conditions (BK, GBK, NBK, etc.), steel grades, and certificates according to customer requirements.

What is the lead time for production?

The average lead time is approximately one month, regardless of peak or off-peak seasons.

JIS G3455 Ba High Strength Cold Drawn Round Seamless Carbon Steel Pipe

Name: JIS G3455 Ba High Strength Cold Drawn Round Seamless Carbon Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2123148465

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

STS35 38 42 49 370 410

Material

Carbon and Alloy

Surface Treatment

Bright Annealing, Black Phosphating, Galvanizing

Usage

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

Section Shape

Round

Standard

DIN2391, En 10305-1, JIS G3445, ASTM A519

Delivery Condition

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade

St35, St45, St52, E235, E355, 1010, Stkm 11A

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive, Hydraulic System and Precision Device

Transport Package

Plywood Box or Bundles

Specification

OD2-60mm

Trademark

Origin

China

HS Code

7304319000

Key features

High Precision & Smooth Surface: Cold drawn process ensures precise size, low roughness, and excellent mechanical performance.

Wide Material & Grade Options: Available in Carbon, Alloy, and Stainless Steel with grades like St35, St45, St52, and 304/316L.

Versatile Application Scope: Ideal for automotive, hydraulic systems, precision devices, heat exchangers, and machinery.

Strict Quality Inspection: 100% Eddy Current Test, size/surface check, and professional pre-production samples.

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

Flexible Customization: Customizable standards, delivery conditions, steel grades, and certificates per client needs.

Comprehensive Certification: Products certified under ISO 9001, TS16949, and EN 10204 3.1 with detailed test reports.

Reliable Manufacturer Support: Established in 2010 with advanced production lines and professional technical support.

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: ≤7.52h 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 main advantages of this cold drawn seamless steel pipe?

The main advantages include high precision in size, excellent mechanical performance, and lower roughness on both inner and outer surfaces.

Q:What materials and steel grades are available?

We offer Carbon Steel, Alloy Steel, and Stainless Steel. Common grades include St35, St45, St52, E235, E355, 1010, 304, 316L, and others per standards like DIN, ASTM, and JIS.

Q:What are the typical applications for these pipes?

They are widely used in the automotive industry, hydraulic and pneumatic systems, precision engineering, heat exchangers, mining machinery, and aerospace.

Q:What surface treatments are provided?

We provide Bright Annealing, Black Phosphating, and Galvanizing to ensure durability and corrosion resistance.

Q:How do you guarantee product quality?

We conduct a pre-production sample before mass production, perform 100% Eddy Current and size/surface inspections, and provide final inspection before shipment.