What is the lead time for production?

The average lead time is one month for both peak season and off-season periods.

Can high torque connections be manufactured?

Yes, high torque connections can be manufactured upon request to meet specific operational demands.

What internal coating options are available?

Internal coating can be provided on request to enhance corrosion resistance and performance in specific environments.

4145h Mod Od 3 1/2 Spiral Heavy Weight Drill Pipe

Name: 4145h Mod Od 3 1/2 Spiral Heavy Weight Drill Pipe
Brand: Hunan Shunfu Metal Material Co., Ltd.
SKU: 2092220655

Hunan, ChinaHunan Shunfu Metal Material Co., Ltd.

US$1,300.00-1,900.00

1 Ton

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Technical/Sample/Quality

Manufacturing Process

Forging

Model NO.

4145H

Surface Treatment

Coating

Operation Pressure

Atmospheric Pressure

Material

Alloy

Threads 1

Nc38

Threads 2

Nc40

Threads 3

Nc46

Threads 4

Nc50

Threads 5

5 1/2 Fh

Threads 6

6 5/8 Fh

Transport Package

Steel Frame

Specification

3-1/2 OD to 6-5/8

Trademark

SHUNFU

Origin

China

Key features

API Compliant Material: Machined from AISI 4145H Mod alloy steel, meeting API Spec 7-1, NS-1, and DS-1 mechanical properties.

Advanced Quality Control: Full ultrasonic inspection and hardness testing for each weld zone, with provided inspection certificates.

Corrosion Resistant Connections: Cold-worked thread roots for fatigue resistance, phosphatized and coated with API thread compound.

Customizable Thread Types: Available threads include NC38, NC40, NC46, NC50, 5 1/2 Fh, and 6 5/8 Fh based on customer needs.

Optimized Wear Resistance: Standard hardbanding on tool joints and central upset, with options for fine grain tungsten carbide.

High Torque Options: High torque connections can be manufactured on request for enhanced performance requirements.

Flexible Manufacturing: Supports OEM/ODM services, including customization from samples and designs for specific projects.

Multiple Product Types: Offers Integral, Welded, and Spiral Heavy Weight Drill Pipes to suit various drilling conditions.

Company profile

Fast DeliveryLow MOQExperienced Team

Hunan Shunfu Metal Material Co., Ltd.

Hunan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 7 years CertifiedNearest Port: shanghai portAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryHunan Shunfu Metal Material Co., Ltd. is a limited company supplying steel pipe, with 24 employees and stated annual output of 100,000 tons of oil steel products. It provides OEM and ODM services and can customize from samples or designs, but it does not provide 3D software design, has no SDK, and launched no new products in the past year. Export sales represent 71%–90% of total sales, with Southeast Asia and the Middle East identified as primary markets; however, it reports no overseas showroom, agents, branches, or offline trade-show participation. Lead time is one month in both peak and off-peak seasons. The available audit record identifies SGS as the auditor, but the stated audit result is 0 and no certification is identified. Quality and service governance evidence is weak because written procedures or records are absent for supplier approval, corrective actions, complaint handling, and service assessment. Financial records are referenced for 2021–2023, but their actual performance is not provided.

Supplier typeThe supplier is identified as Hunan Shunfu Metal Material Co., Ltd., a limited company with 24 employees whose primary and offered product is steel pipe. It is not part of a larger company group, and its stated business scope includes permitted company operations and import/export activities.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or reported offline trade-show participation. It also has no written procedures or records for customer complaints, corrective and preventive actions, or service-capability assessment, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier is described as a professional technical supplier and offers ODM services, but it has only one year of total R&D engineer experience, no SDK, no 3D software design service, and no new products launched in the past year. These stated limitations demonstrate a deficiency in innovation resources and recent product development.

Production capacityThe supplier reports annual production of 100,000 tons of oil steel products, with one-month lead times in both peak and off-peak seasons. Its product scope is steel pipe, and the stated production information supports established manufacturing capacity, although the slices do not provide independent verification of output or quality performance.

Customization capabilityThe supplier explicitly provides customization from samples and designs, along with OEM and ODM services. This supports both customer-specified product adaptation and design-manufacturing cooperation, although 3D software design and SDK support are unavailable.

Product Q&A

Q:What material is used for the Heavy Weight Drill Pipe?

The pipes are machined from AISI 4145H Mod alloy steel, full-length quenched and tempered to meet API Spec 7-1, NS-1, and DS-1 mechanical properties.

Q:What quality control measures are performed?

Each pipe is inspected according to API Spec 7-1, NS-1, and DS-1. Every weld zone undergoes full ultrasonic inspection and hardness testing, with an inspection certificate provided.

Q:What thread types are available for customization?

Customizable threads include NC38, NC40, NC46, NC50, 5 1/2 Fh, and 6 5/8 Fh, depending on specific project requirements.

Q:Is hardbanding included in the standard product?

Yes, standard hardbanding is applied to tool joints and central upset. Options include Fine grain size tungsten carbide, Duraband NC, Tuffband NC, and Arnco series.

Q:What are the payment terms and minimum order quantity?

The minimum order quantity is 1 Ton. Payment terms include LC, T/T, D/P, PayPal, and Western Union.