What is the maximum outer diameter available?

The outer diameter ranges from 20mm to 820mm, with non-standard numbers up to 820mm available upon request.

Big Size Seamless Pipe Large Diameter Seamless Steel Pipes

Name: Big Size Seamless Pipe Large Diameter Seamless Steel Pipes
Brand: WUXI BAOWANG STEEL CO., LTD.
SKU: 812161785

Jiangsu, ChinaWUXI BAOWANG STEEL CO., LTD.

US$450.00-850.00

1 Ton

Sample price:US$0.00/foot.Request sample

Product profile

Customization

Available

Type

Seamless

Technique

Hot Rolled

Model NO.

10#-45#, A53-A369, ST35-ST52, 10#, A179-C, ST35, S

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose

Section Shape

Round

Od

20 - 820 mm

Thickness

3mm-100mm

Transport Package

in Bundles Tied with Steel Strips.

Origin

China

HS Code

7304319000

Production Capacity

10000tons/Year

Key features

Customizable Dimensions: Outer diameter 20-820mm and thickness 3-100mm can be customized per client request.

Wide Application Range: Suitable for pipeline transport, boiler pipes, hydraulic systems, oil/gas drilling, and construction.

Special Shaped Pipes: Can produce hexagonal, oval, and other special-shaped seamless pipes according to customer requirements.

High Pressure Resistance: Made from high-quality carbon and alloy steel, tolerating high temperature and pressure for boiler applications.

Professional Manufacturing: Large-scale manufacturer with 80,000 sqm workshop, six perforation lines, and advanced testing equipment.

Flexible Payment Terms: Accepts T/T or L/C with 30% deposit and 70% balance before delivery for secure transactions.

Company profile

WUXI BAOWANG STEEL CO., LTD.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.83h

AI-Powered supplier vetting

SummaryWuxi Baowang Steel Co., Ltd. is presented as a China-based stainless and carbon steel producer and exporter, with stated products including sheets, plates, coils, pipes, and bars. It reports ISO 9001 and QC 080000 certifications, 50 years of total R&D engineer experience, 6–10 quality-control staff, and substantial stated annual production quantities. The supplier exports 90% of sales and has four years of export experience, but finished products are checked by packing staff, and no written service corrective-action or complaint-handling procedures or records are provided. R&D support includes 3D software design and customization from samples, while no new products were reported in the past year and ODM, SDK, and popular-brand OEM capabilities are unavailable. Financial credibility cannot be determined because the slices provide years for financial records but no financial results or assessment. No specific customer cases are supplied.

Supplier typeThe supplier is described as a manufacturer and processor focused on stainless steel sheets/plates, coils, pipes, and carbon steel products. Its stated product scope and production quantities support classification as a steel manufacturing and processing supplier.

CertificationsThe supplier reports holding ISO 9001 and QC 080000 certifications. These are explicit certification claims, although the slices do not provide certificate numbers, validity dates, or issuing-body verification.

After-Sales capabilityThe supplier has 90% export sales, four years of export experience, and access to self-operated or agency export channels, but it reports no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records. It also has no overseas showroom, overseas agent or branch, or offline trade-show participation, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier is identified as a professional technical supplier and provides 3D software design services, but it reported no new products in the past year and lacks ODM and SDK capabilities. The evidence supports some technical design capability but not a strong or broad innovation offering.

Production capacityThe supplier reports 6–10 quality-control staff and annual output of 100,000 tons of stainless steel pipe, 10,000 tons of stainless steel bar, 10,000 tons of stainless steel coil, and 100,000 tons of stainless steel sheet. Its 90% export-sales share and four years of export experience further support operational experience in international fulfillment; however, finished-product inspection is performed by packing staff.

Customization capabilityThe supplier explicitly provides customization from samples and offers 3D software design services. These capabilities support sample-based and design-assisted customization, although the slices do not establish the range, limits, or execution performance of customization.