Water Well Casing Pipe

Tianjin Ruide Steel Pipe Manufacturing Co., Ltd.
Water Well Casing Pipe,API 5L well casing,large diameter water pipeline,construction steel pipe supplier,corrosion-resistant water pipe
Water Well Casing Pipe
Water Well Casing Pipe
Water Well Casing Pipe
Water Well Casing Pipe

Water Well Casing Pipe

Water Well Casing Pipe: Corrosion-Resistant Steel Pipes for Global Water Extraction

Water Well Casing Pipe is a high-quality welded structural pipe engineered specifically for water well construction and protection. As a reliable construction steel pipe supplier, we cater to Middle East, West Asia, Africa, and Southeast Asia—adapting to regional harsh climates and subsurface conditions: Middle East arid heat and saline groundwater, West Asian temperature fluctuations, African tropical wet soils, and Southeast Asian coastal humidity. These Construction welded pipes withstand subsurface pressures, resist corrosion, and ensure long-term well integrity, making them ideal for potable water supply, agricultural irrigation, geothermal systems, and industrial water extraction. Crafted from carbon steel (including API 5L Gr. B), low-temperature steel, and corrosion-resistant coated variants, they align with large diameter water pipeline projects while delivering safe, consistent groundwater access across target regions.

Core Specifications

Item

Details

Product Name

Water Well Casing Pipe

Key Identifiers

Construction welded pipe, welded structural water pipe, API 5L well casing

Diameter (OD)

4" to 24" (DN100 to DN600) – compatible with large diameter water pipeline projects

Wall Thickness (WT)

3mm to 12mm

Length

6m to 12m; custom lengths and threading available

Material Grades

- Carbon Steel: API 5L Gr. B, ASTM A53 Gr. A/B, ASTM A500 Gr. B- Corrosion/Low-Temperature Resistant: ASTM A333 Gr. 1/Gr. 6, ASTM A589- Coated Options: Galvanized, epoxy-lined, polyethylene-wrapped

Welding Technology

Electric Resistance Welding (ERW), Submerged Arc Welding (SAW)

Key Mechanical Properties

- Yield Strength: 235MPa (ASTM A53 Gr. A) to 355MPa (API 5L Gr. B)- Tensile Strength: 330MPa (ASTM A53 Gr. A) to 490MPa (API 5L Gr. B)- Corrosion Resistance: Enhanced by coatings for saline/acidic groundwater


Manufacturing Process

1. Raw Material Preparation: 

Selection of high-quality steel coils/strips (carbon/corrosion-resistant) to meet Construction welded pipe and water well standards.

2. Forming: 

Precision roll-forming into cylindrical shape, ensuring dimensional accuracy for well installation and large diameter water pipeline compatibility.

3. Welding: 

ERW or SAW techniques to create leak-proof seams—critical for maintaining well integrity and preventing groundwater contamination.

4. Sizing & Straightening: 

Calibration for roundness and straightness, enabling smooth driving into diverse soil conditions across target regions.

5. Surface Treatment: 

Application of galvanized, epoxy-lined, or polyethylene-wrapped coatings to resist corrosion from saline/acidic groundwater and harsh climates.

6. Threading (Optional): 

Custom threading for secure joint connections in deep well projects.

7. Quality Testing: 

Hydrostatic pressure testing, ultrasonic (UT) inspection, and corrosion resistance testing to comply with API 5L and ASTM standards.

8. Packaging: 

Preparation for regional shipping with moisture-proof protection.

Performance & Advantages

Superior Corrosion Resistance: 

Coated variants (galvanized/epoxy-lined) and corrosion-resistant grades withstand saline groundwater, tropical humidity, and arid soil erosion.

Pressure & Load Bearing:

 Engineered to handle subsurface pressures and installation forces, ensuring well stability in diverse geological conditions.

Safe Water Conveyance: 

Leak-proof welded seams prevent groundwater contamination, meeting potable water standards (NSF/ANSI 61).

Versatile Applications: 

Suitable for potable water wells, irrigation, geothermal systems, and dewatering—aligning with regional water needs.

Large Diameter Compatibility: 

4"-24" range integrates with large diameter water pipeline projects for municipal/industrial water supply.

Cost-Effective & Durable: 

As a construction steel pipe supplier, we offer long-lasting casing pipes that reduce maintenance and replacement costs.

Standards & Certifications

Our Water Well Casing Pipe complies with global and regional water infrastructure standards:

  • Primary Standards: API 5L, ASTM A53/A589/A333, AWWA C200 (Steel Water Pipe)
  • Corrosion Protection: ASTM A123 (Zinc Coating), ISO 12944
  • Quality & Safety Certifications: ISO 9001, API Q1, NSF/ANSI 61 (Drinking Water Compliance)
  • Regional Standards: SASO (Middle East), SONCAP (Africa), SNI (Southeast Asia), ISIRI (West Asia)
  • All orders include material test certificates (MTC) and corrosion resistance reports for project approval.

Quick Selection Table

Application

Recommended Grade

Key Specifications

Target Region

Potable Water Wells

API 5L Gr. B, Epoxy-Lined

OD 6"-12", WT 4-8mm, NSF/ANSI 61 compliant

All Regions

Agricultural Irrigation Wells

ASTM A53 Gr. B, Galvanized

OD 8"-24", WT 5-10mm, large diameter water pipeline compatible

Africa, Southeast Asia

Geothermal Wells

ASTM A333 Gr. 6

OD 4"-10", WT 6-12mm, low-temperature resistance

West Asia, Middle East

Municipal Water Supply Wells

API 5L X42, Polyethylene-Wrapped

OD 12"-24", WT 8-12mm, corrosion-resistant

All Regions

Dewatering/Construction Wells

ASTM A500 Gr. B

OD 6"-16", WT 4-8mm, durable for temporary/permanent use

Africa, Southeast Asia

Regional Customs Document Checklist

Region

Mandatory Documents

Our Support (as construction steel pipe supplier)

Middle East (GCC)

SASO Certificate, API 5L Certificate, NSF/ANSI 61 Compliance

Assist with SASO application (3-5 working days)

West Asia (Iran/Iraq)

ISIRI Certificate, Bilingual Test Reports, Import License

Provide Persian/English documents for clearance

Africa (Nigeria/Kenya)

SONCAP Certificate, Form M (Nigeria), Potable Water Compliance Letter

Support SONCAP registration and product testing

Southeast Asia (Indonesia/Thailand)

SNI/TIS Certificate, Customs Declaration, Corrosion Test Reports

Coordinate with local agents for smooth clearance

Packaging & Shipping Guidelines

Packaging

  • Pipe ends are sealed with plastic caps to prevent rust, dust, and debris accumulation—critical for water contact surfaces.
  • Bundled with high-strength steel straps, wrapped in moisture-proof film for humid regions (Southeast Asia/Africa) and anti-corrosion paper for deserts (Middle East).
  • Coated pipes are protected with additional sleeves to avoid coating damage during transit.
  • Placed on ISPM 15-certified wooden pallets for international shipping compliance.
  • Clear labeling includes product type (Water Well Casing Pipe), grade, coating type, and batch number.

Shipping

  • Lead Time: Standard orders (≤300 tons): 15-25 working days; Bulk orders (>300 tons): 25-35 working days; Custom-coated/threaded pipes: 20-30 working days.
  • Logistics Partners: Maersk, CMA CGM, Aramex (Middle East), regional carriers for inland delivery to construction/well sites.
  • Delivery Coverage: Port-to-port, door-to-door for major cities, and tailored solutions for remote rural well projects.

RFQ Frequently Asked Questions & Answers

RFQ Question: Do your water well casing pipes resist saline groundwater in coastal regions?

Answer: Yes, our epoxy-lined/galvanized API 5L Gr. B pipes offer superior saline corrosion resistance.


RFQ Question: Need large diameter (20"+) casing pipes for municipal water supply wells—are they compatible with water pipelines?

Answer: Our ASTM A53 Gr. B large diameter casing pipes (20"-24") integrate seamlessly with large diameter water pipeline systems. They’re corrosion-resistant, meet AWWA C200 standards.


RFQ Question: Are your casing pipes suitable for geothermal wells in temperature-fluctuating regions?

Answer: Yes, our ASTM A333 Gr. 6 low-temperature steel pipes withstand -45°C to 120°C fluctuations. They’re ideal for geothermal systems, meet API Q1 standards with technical support.


RFQ Question: Can you supply corrosion-resistant pipes for irrigation wells in arid, sandy soils?

Answer: Our galvanized ASTM A500 Gr. B pipes resist arid soil erosion and groundwater salinity. They’re durable for agricultural irrigation.


RFQ Question: What grade of casing pipe is best for potable water wells in tropical wet regions?

Answer: We recommend API 5L Gr. B with epoxy lining—resists tropical humidity and bacterial corrosion. It meets potable water safety standards, delivers in 15-20 working days, and includes corrosion test reports.


RFQ Question: Do your pipes support threading for deep well splicing (over 12m)?

Answer: Yes, our pipes are available with custom threading for secure deep well splicing. We use API 5L Gr. B for consistency, provide threading guidelines.