What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, small-amount payment, and Western Union.

What is the average lead time for production?

The average lead time is within 15 workdays for both peak season and off-season.

Does the supplier offer OEM or ODM services?

Yes, the supplier provides both OEM and ODM services.

Schedule 40 Schedule 80 4'' Black ERW Carbon Steel Pipe

Name: Schedule 40 Schedule 80 4'' Black ERW Carbon Steel Pipe
Brand: Cangzhou Datang Steel Pipe Co., Ltd.
SKU: 2074427132

Hebei, ChinaCangzhou Datang Steel Pipe Co., Ltd.

US$700.00-900.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Application

Cast Iron, Chemical Processing, Construction, Oil and Gas, Water Supply

Pipe Diameter

8"-60"

Model NO.

ERW Carbon Steel Pipe

Pipe Length

Customization

Surface Finish

Black

Inspection

SGS BV

Temperature Classification

Room Temperature Piping

MPa Classfication

Medium Pressure Piping

Material

Carbon Steel

Standard

ASTM, GB, DIN, JIS

out Diameter

21.3-165mm

THK

0.5-2.5mm

Medium

Liquid

Cross-Section Shape

Round

Tolerance

Positive or Negative 1%

Processing Service

Welding

Transport Package

Black Paint, Bevel Send, End Caps

Specification

21.3-165mm

Trademark

datang

Origin

China

HS Code

7304192000

Production Capacity

800000ton/Year

Key features

Wide Size Range: Outer diameter 219.1mm-1524mm, wall thickness 6mm-80mm, length 4-14m.

Multiple Steel Grades: Available in A53 Gr A/B, A106 Gr B/C, and X42-X70 grades.

Diverse Surface Treatments: Options include bare, black, lightly oiled, hot dip galvanized, and 3PE coatings.

Customization Services: Supports OEM, ODM, and flexible customization from samples or designs.

Strict Quality Inspection: 100% visual and functional inspection with SGS and BV certification available.

Secure Packaging: Nude, plastic/steel plugs, waterproof paper, PVC sleeves, and steel strips.

Fast Lead Time: Peak and off-peak season lead time within 15 working days.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Small-amount payment, and Western Union.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesManagement Certification

Cangzhou Datang Steel Pipe Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.45h

AI-Powered supplier vetting

SummaryThe supplier provides 3D software design, OEM, ODM, and broad customization services, supported by 10 production lines and specialized fin-tube and machining equipment. It holds an ISO9001:2015 management-system certificate, has 18 years of export experience, and reports that 71%–90% of sales come from exports. However, its R&D scale is limited to one engineer, no new products were launched in the past year, and no SDK is available. Quality-control test equipment is reported as zero, and continuous quantity reconciliation is not performed for every batch. Overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported. Service procedures exist for corrective actions and customer complaints, but written records are absent.

Supplier typeThe supplier is a manufacturing-oriented exporter offering OEM and ODM services, with 10 production lines, self-operated import/export rights, 18 years of export experience, and 71%–90% export sales. Its listed equipment includes fin-tube machinery, cutting, turning, beveling, bending, cleaning, and painting facilities.

CertificationsThe supplier reports holding an ISO9001:2015 management-system certificate. This is explicit certification evidence, although no additional certifications are provided.

R&D capabilityThe supplier offers 3D software design, ODM, and product-improvement support, and maintains design input, output, review, verification, and validation documentation. However, it has only one R&D engineer, launched no new products in the past year, and has no available SDK, indicating limited demonstrated innovation output.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, as well as 3D software design, OEM, and ODM services. These statements provide direct evidence of broad customization capability.