What are the payment terms?

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

What is the lead time for production?

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

How is the product inspected?

We perform 100% inspection including visual and function checks with traceable raw materials.

Premium Black Steel ERW Round Pipe Q235B ASTM Schedule 40

Name: Premium Black Steel ERW Round Pipe Q235B ASTM Schedule 40
Brand: Cangzhou Datang Steel Pipe Co., Ltd.
SKU: 2074433732

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.

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 from 21.3mm to 1524mm and wall thickness up to 80mm available.

Multiple Steel Grades: Includes A53, A106, and X series grades like X42 to X70 for diverse applications.

Versatile Surface Finishes: Options include bare, black, lightly oiled, hot dip galvanized, and protective coatings.

Flexible Length Options: Available in random lengths, SRL, and DRL (4-14M) to suit project needs.

Comprehensive Customization: Offers full customization, minor customization, and flexible options from samples or designs.

Strict Quality Inspection: 100% visual and function inspection performed with traceable raw materials.

Global Shipping Terms: Supports FOB, CIF, CFR, and EXW terms with 18 years of export experience.

Low MOQ Requirement: Minimum Order Quantity is 1 unit, allowing for small batch purchasing.

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.