What is the maximum outer diameter available?

The size range covers OD from 1/2" to 36" (21.3mm to 711mm).

What is the wall thickness range?

Wall thickness ranges from 3.0mm to 45mm.

What are the main applications for these pipes?

They are primarily used for pipeline transportation in petroleum, natural gas, and chemical industries.

API 5L Gr. B Seamless Steel Line Pipe

Name: API 5L Gr. B Seamless Steel Line Pipe
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 785076735

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$490.00

5 Tons

Product profile

Customization

Available

Type

Seamless

Technique

Hot Rolled

Model NO.

API 5L Gr. B

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Oil/Gas Drilling, Chemical Industry

Section Shape

Round

Grade

10#-45#, A53-A369, Q195-Q345, St35-St52, 20#, A106

Thickness

1.24 - 59.54 mm

Technical

Lasw, Hot Rolled, ERW, SSAW, etc

Packaging Details

in Bundles or Per Customer's Requirements

Delivery Time

15~60 Days Acc. to Order Quantity

Transport Package

in Hexagonal Bundle with Steel Strip / Per Require

Specification

OD: 12.7mm-710mm THk: 1.24 - 59.54 mm

Trademark

DERBO

Origin

Hebei, China (Mainland)

HS Code

7304199000

Production Capacity

3000000 Tons/Year

Key features

Wide Grade Range: Available in Gr. B, X42-X70, L245-L480, 20#, ST37, STPG370, and more.

Extensive Size Options: OD from 1/2" to 36" and wall thickness from 3mm to 45mm.

Multiple Manufacturing Processes: Offered in Hot Rolled, ERW, LSAW, and SSAW techniques.

Anti-Corrosion Protection: External black painting with 2mm-5mm coating thickness for burial.

Flexible Packaging: Bundled with steel strips and end caps, or customized per requirement.

Competitive Pricing: Lower unit price available for orders exceeding the 5-ton minimum.

Fast Delivery: 20-25 days after deposit or L/C, or 15-60 days based on quantity.

Multiple Payment Terms: Accepts TT, 100% Irrevocable LC at sight, and negotiable terms.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamIn-stock Capacity

Chengdu Derbo Steel Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-08Nearest Port: Tianjin port, Guangzhou port, Shanghai portAverage Response Time: ≤1.00hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and ODM capabilities, maintains inventory capacity, accepts multiple trade and service-payment terms, and reports ISO9001:2015 and CE certifications. However, its service-management procedures lack written records, and it has no overseas showroom, overseas agents or branches, overseas warehouse, or offline trade-show participation. No new products were reported in the past year, and digital management capabilities appear limited, with no ERP, CRM, SAP, SDK, or AI-based management implementation identified. Financial information supplied for the stated periods consists of zero values, which does not establish financial credibility. Evidence of named customers, completed projects, or recognized-brand OEM work is absent.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE product certification capability. It also states that regular fire drills were conducted during the past year, supporting operational safety practice, although no additional certification details are provided.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive action, and customer complaints, but has no written records demonstrating implementation. It lacks overseas service infrastructure and overseas warehouse capability, while offering multiple quotation and payment terms and reporting one-month lead times in both peak and off-season.

Financial creditThe supplied financial indicators for the stated periods are all recorded as zero, including operating revenue, costs, profit, gross margin, and current ratio. This information does not demonstrate financial strength or reliable financial performance.

R&D capabilityThe supplier offers ODM and multiple forms of customization, but reports no new products in the past year and no available SDK. It also reports no ERP, CRM, SAP, or AI-based management implementation, while the stated technical-transformation, big-data, and OA capability values are zero.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These stated offerings provide clear evidence of broad customization capability.