What is the outer diameter range?

The outer diameter ranges from 6mm to 2400mm.

Do you offer customization services?

Yes, we offer full customization, minor customization, and customization from samples or designs.

What industries can these pipes be used for?

They are suitable for petrochemical, chemical fertilizer, oil refining, oil and gas, light industry, food, pulp and paper, and energy industries.

High Quality Welded Steel Pipes

Name: High Quality Welded Steel Pipes
Brand: Shanghai Changzeng Metal Co., Ltd.
SKU: 1966108771

Shanghai, ChinaShanghai Changzeng Metal Co., Ltd.

US$535.00

5-49 Tons

US$458.00

50-99 Tons

US$400.00

100+ Tons

Product profile

Customization

Available

Surface Finish

Black

Place of Origin

Shanghai, China (Mainland)

Dimensions

10#-45#, 16mn, A53-A369

Secondry or Not

Not Secondary

Alloy or Not

Non-Alloy

Length

1-12m or Custom

Item Type

Round Pipe

Packaging

Seaworthing Packing

MOQ

1 Ton

Thickness

1 - 120 mm

Outer Diameter

6mm-2400mm

Temperature Classification

High Temperature Piping

MPa Classfication

High Pressure Piping

Material

Steel

Standard

ASTM, GB

Diameter

529mm

Transport Package

1. Big Od/ Bulk Small Od: Packed by Steel Strip

Specification

GB, ASTM, AISI

Trademark

Origin

Shanghai

Production Capacity

5000 Tons/ Month, 15000 Tons/ Season

Key features

Customizable Length: Available in standard 1-12m or fully customized lengths to meet specific project needs.

Wide Material Selection: Offers Q235B, Q345B, SS400, and various S-series grades for diverse applications.

High Pressure & Temperature: Designed for high temperature piping and high pressure piping (MPa) applications.

Versatile Surface Finish: Available in black finish or galvanized treatment for enhanced durability.

Broad Dimension Range: Outer diameter from 6mm to 2400mm and thickness from 1mm to 120mm.

Fast Delivery Time: Delivery within 3-15 working days after receiving deposit or L/C.

Flexible Customization: Supports customization from samples, designs, and minor to full customization options.

Comprehensive Quality Control: 100% inspection including visual and function checks for all finished products.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceIn-stock CapacityQuality Assurance

Shanghai Changzeng Metal Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2016-01-13Nearest Port: Shanghai Port, Tianjin Port, Qingdao PortAverage Response Time: ≤4.20hTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based trading company that also identifies as a manufacturer/factory, with 19 years of export experience and 90% of sales from exports. It offers broad customization from samples, designs, and full-custom requirements, and reports standardized finished-product inspection instructions and quality assurance. However, the available information shows no new products in the past year, no ODM, SDK, overseas agents, overseas warehouse, showroom, or offline trade-show participation. Corrective/preventive action and complaint-handling procedures are undocumented, while supplier-service assessment procedures and approved supplier records are absent. Financial operating figures provided are zero, but their interpretation is not independently verifiable from the slices. Customer cases and certifications are not provided.

Supplier typeThe supplier is described as a trading company in Shanghai and is also identified as a Trading Company, Manufacturer/Factory. This indicates a mixed trading and manufacturing business classification, but the slices do not establish the scale or scope of its own production facilities.

After-Sales capabilityThe supplier reports in-stock service capacity and lead times within 15 working days in both peak and off-seasons. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, and no written procedures or records for complaint handling or corrective and preventive actions, limiting evidence of a structured after-sales system.

Financial creditThe provided financial fields report zero operating revenue, profit, margins, current ratios, and cash outflows for the stated periods, while the supplier is listed as a limited company with registered capital information. These reported operating indicators provide explicit evidence of weak financial performance, although the slices do not explain the data quality or accounting context.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, and no available SDK. These statements directly indicate limited demonstrated recent product-development and technical innovation capability.

Production capacityThe supplier is classified as both a trading company and manufacturer/factory, has in-stock capacity, and reports standardized instructions for finished-product inspection and quality assurance. Nevertheless, outsourcing procedures and manufacturing-capacity contract status are unknown, and only one quality assurance/quality control inspector is reported, so production depth cannot be fully confirmed.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization in both design-service and R&D-related descriptions. This is direct evidence of broad customization coverage, although it does not quantify engineering resources or production limits.