Does the company accept third-party inspections?

Yes, we accept any third-party inspection to ensure product quality and customer confidence.

What payment terms are supported?

We support LC, T/T, D/P, PayPal, Western Union, and O/A payment terms.

What are the common lengths for the pipes?

Common choices include random lengths (5-7m or 10-12m), or specific lengths for 20ft (4.8m-5.8m) and 40ft (4.8m-12m) containers.

ASTM A519 4140 Alloy Seamless Steel Pipe

Name: ASTM A519 4140 Alloy Seamless Steel Pipe
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 685522981

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$50.00

1-4 Meters

US$48.00

5+ Meters

Product profile

Customization

Available

Type

Round

Standard

ASTM

Model NO.

A519 4140

Composition

Ferrous Steel Scrap

Technique

Cold Drawn

Shape

Round

Surface Treatment

Polished

Special Use

Free Cutting Steel

Application

Boiler Plate

Od

10-400mm

Wt

1mm-80mm

Pipe End

Plain End/Beveled End/Threaded End

Delivery Condition

Bk/Bkw/Bks/+a/+N

Transport Package

in Bundles or as Your Requirement

Specification

SGS/ASTM

Trademark

Derbo

Origin

China

Production Capacity

1000000

Key features

Wide Customization Range: OD 10-400mm, Wall Thickness 1-80mm, and various pipe ends available.

Multiple Grade Options: Available in T5, T9, T11, T12, T22, T23, T91, T92 for diverse applications.

Trusted by Industry Leaders: Successfully cooperated with Shell, Lukoil, and other famous oil & gas companies.

Flexible Delivery Conditions: Supports Bk, Bkw, Bks, +a, +N delivery conditions to meet project needs.

Third-Party Inspection: Accepts any third-party inspection to ensure quality and transparency.

Fast Response Service: Quick response for quotation, delivery, and after-sales service.

10+ Years Experience: Over 10 years of focus on pipe & tube solutions with good quality.

Global Market Coverage: Exports to North America, South America, Europe, Asia, Africa, and Oceania.

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: ≤0.93hTerms 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.