What are the available grades for this steel tube?

Available grades include ST35, ST37, ST24, ST52, 10#, 20#, 35#, and 45#.

How is the product inspected before delivery?

We perform 100% inspection including visual and function inspection.

Cold Rolled Carbon Seamless Steel Pipe for Shock

Name: Cold Rolled Carbon Seamless Steel Pipe for Shock
Brand: Shanghai Changzeng Metal Co., Ltd.
SKU: 842023875

Shanghai, ChinaShanghai Changzeng Metal Co., Ltd.

US$550.00-899.00

25 Tons

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Seamless

Technique

Hot Rolled

Model NO.

seamless steel pipe

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Chemical Industry, Mining, Construction & Decoration

Section Shape

Round

Outdiameter

4mm -76.2mm

Thickness

0.4mm-2.5mm

Length

as Your Requirment

Shape

Round

Transport Package

as Your Requirment

Specification

ASTM, JIS, EN, GB, DIN, KS, SUS, ANSI, AISI

Trademark

Origin

China

HS Code

73069000

Production Capacity

5000 Tons/ Month, 15000 Tons/ Season

Key features

High Precision Dimensions: Dimensional accuracy up to 0.1mm for seamless steel tubes.

No Oxidation Layer: Inside and outside walls remain free of oxidation layers.

High Pressure Performance: Leak-proof under high pressure with no cracks during deformation.

Customizable Length: Length can be customized as per customer requirements.

Versatile Surface Treatment: Available in bare, varnished, oiled, or anti-corrosion coating.

Wide Grade Selection: Includes ST35, ST37, ST52, 10#, 20#, 35#, and 45# grades.

Multiple Standard Compliance: Meets DIN2391, DIN2445, EN10305, GB/T 3639, and GB 8713.

Full Customization Options: Supports customization from samples, designs, and flexible needs.

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: ≤4.49hTerms 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.