What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union as terms of payment.

What is the minimum order quantity?

The minimum order quantity is 1 Ton.

What is the lead time for production?

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

4145h Mod Od 4 1/2 Spiral Heavy Weight Drill Pipe

Name: 4145h Mod Od 4 1/2 Spiral Heavy Weight Drill Pipe
Brand: Hunan Shunfu Metal Material Co., Ltd.
SKU: 2097580545

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 Spec 7-1 Compliance: Integral and welded types meet API Spec 7-1, NS-1, and DS-1 mechanical properties.

AISI 4145H Mod Steel: Machined from full-length quenched and tempered AISI 4145H Mod alloy steel bars.

Advanced Hardbanding: Standard raised hardbanding with options for tungsten carbide, Duraband, or Tuffband.

Corrosion Protection: Connections are phosphatized and coated with API thread compound to prevent galling.

Ultrasonic Inspection: Each weld zone undergoes full ultrasonic inspection and hardness testing for quality.

Custom Thread Options: Available threads include NC38, NC40, NC46, NC50, 5 1/2 Fh, and 6 5/8 Fh.

High Torque Connections: High torque connections can be manufactured upon request for enhanced performance.

Internal Coating Available: Internal coating services are available upon request to optimize wear resistance.

Company profile

Fast DeliveryLow MOQHigh Repeat Buyers ChoiceExperienced 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, Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryHunan Shunfu Metal Material Co., Ltd. is a supplier of steel pipes with a focus on ODM and OEM services, though it lacks 3D design services and recent product innovations. The company has a solid export focus, especially in Southeast Asia and the Middle East. Despite having no overseas showrooms or participation in trade shows, it maintains effective production with a significant proportion of exports. However, the company lacks formal procedures for quality assurance and customer complaint handling, and does not hold any certification for these processes.

Supplier typeHunan Shunfu Metal Material Co., Ltd. is a professional technique supplier specialized in steel pipes and operates as a limited company. It offers ODM and OEM services but does not provide 3D design services or belong to a larger company group.

CertificationsThe supplier underwent an audit conducted by SGS, but the result of the audit evaluation was zero, and there is no indication of any certifications held.

After-Sales capabilityThere are no written procedures or records for handling customer complaints or quality assurance, indicating gaps in formal after-sales service processes.

R&D capabilityThe supplier has not launched any new products in the past year and lacks SDK availability, indicating limited innovation capability.

Production capacityThe supplier has a significant annual production output of 100,000 tons of oil steel products, indicating strong production capabilities.

Customization capabilityThe supplier provides customization services from samples and designs, along with ODM and OEM capabilities, highlighting strong customization capability.

Product Q&A

Q:What material is used for the drill pipe?

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

Q:What types of Heavy Weight Drill Pipes are available?

We offer Integral, Welded, and Spiral Heavy Weight Drill Pipes. Welded types consist of tool joints and a central tube assembled by welding.

Q:What thread connections are supported?

Standard connections include NC38, NC40, NC46, NC50, 5 1/2 Fh, and 6 5/8 Fh. High torque connections are also available upon request.

Q:Is hardbanding included as standard?

Yes, standard hardbanding is raised (1/8 inch oversize) on tool joints and central upsets. Options include tungsten carbide, Duraband NC, and Tuffband NC.

Q:What quality control measures are performed?

Each pipe is inspected per API Spec 7-1, NS-1, and DS-1. Weld zones undergo full ultrasonic inspection and hardness testing, with an inspection certificate provided.