What quality standards and certifications are provided?

The product meets API SPEC 7-1 and NS-1 standards. Mill test certificates are issued in accordance with API Spec 7/7-1 and API RP7G. Third-party inspection can be performed upon request.

What are the key features of the internal coating option?

The internal plastic coating offers high abrasion resistance, low friction factor, good adhesion, flexibility, high application temperature and pressure resistance, high hardness, impact resistance, and good corrosion resistance.

API 5dp 4145h Mod Od 6 5/8 Hwdp Heavy Weight Drill Pipe

Name: API 5dp 4145h Mod Od 6 5/8 Hwdp Heavy Weight Drill Pipe
Brand: Hunan Shunfu Metal Material Co., Ltd.
SKU: 2097524165

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 5DP 4145H Alloy Steel: Made from AISI 4145H alloy steel, fully heat-treated, conforming to API Spec 7-1.

High Strength & Fatigue Resistance: Thicker walls and longer upsets provide high tensile strength and long fatigue life.

Versatile Drilling Applications: Ideal for vertical drilling and horizontal directional drilling (HDD) to prevent pipe fatigue.

Flexible Transition Design: Provides a flexible transition between drill collars and drill pipe, reducing hole drag.

Customizable Thread Options: Threads are customizable with options including NC38, NC40, NC46, NC50, and FH types.

Advanced Surface Treatments: Options include internal coating, hard banding, and phosphate coated connections for durability.

OEM/ODM Customization: ODM and OEM services available, including customization from samples and proprietary connections.

Comprehensive Quality Assurance: Mill test certificates issued per API Spec 7/7-1; third-party inspection available upon request.

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 is the material grade of this Heavy Weight Drill Pipe?

The HWDP is made from AISI 4145H Alloy steel, which is fully heat-treated and conforms to API Spec 7-1. Integral HWDP uses AISI 4145HM, while welded HWDP uses AISI 1340 pipe body and AISI 4140HM tool joint.

Q:What are the main applications of this Heavy Weight Drill Pipe?

It is primarily used in vertical drilling to prevent fatigue of the drill pipe and in horizontal directional drilling (HDD) for added strength in high-stress situations. It also serves as a flexible transition between drill collars and drill pipe.

Q:Is customization available for this product?

Yes, OEM and ODM services are available. Customization options include threads (NC38, NC40, NC46, NC50, 5 1/2 FH, 6 5/8 FH), internal coating, hard banding, and proprietary connections based on client requests.

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

The minimum order quantity is 1 ton. Payment terms include LC, T/T, and D/P. Commercial terms are FOB, CIF, or CFR.

Q:What is the lead time for delivery?

The average lead time is one month during the peak season and within 15 workdays during the off-season.