Large Diameter S355mc Steel Pipe for Municipal Water Main with 3lpe External Coating

Name: Large Diameter S355mc Steel Pipe for Municipal Water Main with 3lpe External Coating
Brand: CNB NEW MATERIAL (TIANJIN) CO., LTD.
SKU: 2299698215

Tianjin, ChinaCNB NEW MATERIAL (TIANJIN) CO., LTD.

US$600.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

After-sales Service

Negotiable

Warranty

Variable

Type

Welded

Model NO.

CNB-SP

Technique

Cold Rolled

Material

Carbon Steel

Surface Treatment

Polished

Usage

Hydraulic/Automobile Pipe

Section Shape

Round

Application

Municipal Water, Sewage, District Heating, Gas

Inventory

in Stock

Pipe Type

Seamless, ERW Welded, Spiral Welded, Galvanized

Material Grade

AISI 304, 316L, Dx51d+Z, S355mc, Q345b

Transport Package

Export Seaworthy Package

Specification

Custom

Trademark

CNB

Origin

China

HS Code

73063090

Production Capacity

50000PCS/Month

Key features

Our spiral welded and ERW steel pipes up to 1220mm OD provide the high flow capacity and structural integrity needed for municipal water supply and storm drainage networks.

3LPE, epoxy, and bitumen external coatings on our steel pipes ensure decades of corrosion-free service in buried water, gas, and district heating applications.

316L and 304 stainless steel pipes resist the hydrogen sulfide, acids, and abrasive solids in municipal sewage, providing long-term reliability in wastewater treatment plants and collection systems.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Multi-language Pioneer

CNB NEW MATERIAL (TIANJIN) CO., LTD.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 2 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.09h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryCNB NEW MATERIAL (TIANJIN) CO., LTD. is a China-based trading company established in 2023 with three employees. It reports quality assurance, raw-material traceability, written inspection instructions, in-stock capability, and customization from samples or designs. The company states that 90% of sales are exports and cites international companies as fixed raw-material customers, although no specific case details are provided. Service reach is limited: it reports no overseas agents or branches, overseas warehouses, overseas showroom, offline trade-show participation, or overseas service countries. R&D evidence is weak, with no new product information in the past year, no ODM, no SDK, and no branded OEM capability. Financial information provided shows zero operating revenue and zero profit-related figures for the stated periods, requiring caution. Outsourcing procedures, manufacturing-capacity contracts, corrective-action records, complaint-handling records, and supplier-assessment records are incomplete or...

Financial creditThe submitted financial slices report zero operating revenue and zero profit-related figures for the stated periods, while current ratios are also reported as zero. These figures do not demonstrate financial strength and indicate a material need for verification before relying on the supplier’s financial capacity.

R&D capabilityThe supplier reports no new product information during the past year, no ODM service, and no available SDK. Although it can customize from samples and designs, the provided evidence does not support strong independent R&D or innovation capability.

Customization capabilityCustomization from samples and customization from designs are explicitly available through both design services and R&D-related services. This supports the supplier’s ability to handle customer-specific requirements, although no evidence is provided regarding production scale or technical complexity.

Client casesThe supplier states that it has become a fixed raw-material supplier to Panasonic, Toyota, Honda, IKEA, and Komatsu, and reports that 90% of total sales are exports. These named customer claims provide positive case evidence, but the slices do not include order scope, duration, product details, or independently verifiable references.

Product Q&A

Q:What steel pipe is recommended for a buried municipal water main?

For buried water mains, we recommend ERW or spiral welded steel pipe in S355MC or Q345B grade with external 3LPE coating. Pipe diameters typically range from 219mm to 1220mm. The 3LPE coating provides excellent corrosion protection in soil, and the steel pipe can be supplied with internal cement mortar lining for drinking water compatibility.

Q:Can you supply steel pipe for district heating networks?

Yes, we supply seamless steel pipe in S355MC and 316L grades for district heating. Pre-insulated steel pipe with polyurethane foam and HDPE outer jacket is available for buried hot water networks. The steel carrier pipe is typically supplied in 6m or 12m lengths with beveled ends for site welding.

Q:Is stainless steel pipe necessary for a sewage treatment plant or is galvanized sufficient?

For sewage treatment, 304 or 316L stainless steel pipe is strongly recommended over galvanized. The hydrogen sulfide gas and acidic conditions in sewage rapidly attack galvanized coatings. 316L provides the best resistance to the chlorides and chemicals used in treatment processes, while 304 is suitable for less aggressive sections of the plant.