Do you accept third-party inspections?

Yes, we accept any third-party inspection.

What payment terms do you offer?

We accept LC, T/T, D/P, PayPal, Western Union, and O/A.

What are the common end finishes available?

We offer plain ends with square cuts, plain ends, or beveled ends depending on the pipe size.

3/4 Inch ASTM A519 4130 Seamless Steel Pipe

Name: 3/4 Inch ASTM A519 4130 Seamless Steel Pipe
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 802678165

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$50.00

1-4 Meters

US$48.00

5+ Meters

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

ASTM A519 4130

Material

Alloy Steel

Surface Treatment

Painting, Varnished Coating etc

Usage

Boiler Pipe, Superheater, Heat-Exchanger

Section Shape

Round

Od

8mm-480mm

Wt

1mm-40mm

End Finish

Plain Ends with Square Cuts

Delivery Condition

Normalized+Tempered

Size Tolerance

ASTM A450

Material and Grade

SAE1020, 1035, 1045, 4130, 4140, etc

Transport Package

in Bundles or as Your Requirement

Specification

SGS/ASTM

Trademark

Derbo

Origin

China

HS Code

730650000

Production Capacity

1000000

Key features

Wide Size Range: Outer diameter 8mm-480mm and wall thickness 1mm-40mm available.

Multiple Material Grades: Includes SAE1020, 1035, 1045, 4130, 4140, and ASTM T-series grades.

Cold Drawn Seamless: Manufactured using cold drawn technique for high precision seamless pipes.

Customizable Dimensions: Outer diameter, wall thickness, and end finish can be customized to requirements.

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

Flexible Delivery Length: Available in random lengths (5-7m, 10-12m) or specific container loads.

Diverse Product Line: Offers steel pipes, pipe fittings, and other fittings for various projects.

Experienced Manufacturer: Over 10 years of experience serving global oil and gas companies like Shell.

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: ≤0.87hTerms 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.