Overview of X42 Spiral Weld Pipe

X42 Spiral Weld Pipe is a high-strength, low-alloy steel pipe that meets API 5L X42 specifications, making it ideal for oil & gas transportation, structural piling, and water transmission. Manufactured using submerged arc welding (SAW) in a spiral formation, this pipe provides excellent durability, flexibility, and cost-effectiveness.

Key Features of X42 Spiral Weld Pipe

✔ Made from API 5L X42 steel, designed for high-pressure fluid transport
✔ Spiral welding process enhances structural strength and flexibility
✔ Ideal for oil & gas pipelines, water transmission, and piling projects
✔ Available in large diameters and various wall thicknesses
✔ Can be coated for corrosion resistance in harsh environments
✔ Complies with API 5L, GB/T9711, ASTM A252, and other international standards

This guide will cover everything about X42 Spiral Weld Pipes, including manufacturing processes, specifications, applications, price trends, and suppliers.

Top X42 Spiral Weld Pipe Manufacturers in 2025

Selecting a trusted manufacturer ensures high-quality materials, precision welding, and compliance with global standards. Below are some of the leading X42 Spiral Weld Pipe manufacturers:

1. Cangzhou Spiral Steel Pipes Group Co., Ltd.

✔ 27 years of experience in steel pipe manufacturing
✔ 13 production lines for Φ219–Φ3500mm spiral welded pipes
✔ Annual production capacity: 400,000 tons
✔ ISO 9001, API 5L, ASTM-certified X42 spiral welded pipes
✔ Custom coatings: 3LPE, FBE, and Epoxy Coal Tar

2. Baosteel Group (China)

A leading steel producer specializing in high-strength X42 spiral welded pipes for various applications.

3. Tianjin Steel Pipe Co. (China)

A major supplier of X42 spiral welded pipes for oil & gas pipelines and structural applications.

4. Jindal SAW Ltd (India)

Provides high-performance X42 spiral pipes for energy and industrial projects.

5. Nippon Steel (Japan)

A global leader in high-strength, corrosion-resistant spiral welded pipes for marine, oil & gas, and structural uses.

Each of these manufacturers ensures strict compliance with industry standards, guaranteeing high durability and performance.

X42 Spiral Weld Pipe vs Other Steel Pipes

Selecting the right pipe type depends on application, cost, and durability. Below is a comparison between X42 Spiral Weld Pipe and other steel pipes:

الميزة	X42 Spiral Weld Pipe	GRB Spiral Weld Pipe	أنابيب الصلب غير الملحومة	أنابيب الصلب LSAW
عملية التصنيع	Submerged Arc Welding (SAW)	Submerged Arc Welding (SAW)	No welding (extruded from billets)	Longitudinal Submerged Arc Welding (LSAW)
القوة	Higher than GRB	Medium	Very High	Very High
Tensile Strength (MPa)	414-758	414-550	550+	550+
Diameter Range	Medium to Large	Medium to Large	Small to Medium	Medium to Large
Wall Thickness	Medium to Thick	Medium to Thick	Thin to Medium	Medium to Thick
التكلفة	Higher than GRB	Cost-effective	باهظة الثمن	Higher than Spiral Weld
Best Use Case	Oil & gas, high-pressure transport	Water transmission, general construction	High-pressure pipelines	Oil & gas pipelines, pressure applications

Why Choose X42 Spiral Weld Pipe?

✔ Higher strength and impact resistance than GRB
✔ Best for high-pressure oil & gas transport and water transmission
✔ Complies with API 5L, GB/T9711, and ASTM A252 standards
✔ Available in large diameters and customizable thicknesses

X42 Spiral Weld Pipe Price Per Ton in 2025

The price of X42 Spiral Weld Pipes varies based on factors such as pipe diameter, wall thickness, steel grade, and coatings. Below is an estimated pricing chart for 2025:

قطر الأنبوب (مم)	سُمك الجدار (مم)	Steel Grade	سعر الطن (بالدولار الأمريكي)
219 – 600	6 – 10	X42	1,200−1,200 – 1,200−1,800
610 – 1200	8 – 14	X42	1,700−1,700 – 1,700−2,500
1220 – 1800	10 – 18	X42	2,400−2,400 – 2,400−3,600
2000 – 3500	12 – 25	X42	3,500−3,500 – 3,500−5,000

العوامل المؤثرة في السعر:

✔ Pipe Diameter & Wall Thickness – Larger and thicker pipes require more material.
✔ نوع الطلاء – 3LPE, FBE, and other coatings increase costs.
✔ Bulk Orders – Large quantity orders receive better pricing.

Cangzhou Spiral Steel Pipes Group offers high-quality X42 Spiral Weld Pipes at competitive prices

X42 Spiral Weld Pipe Manufacturing Process & Quality Control

How Are X42 Spiral Weld Pipes Manufactured?

The manufacturing process of X42 Spiral Weld Pipes follows strict API 5L standards to ensure high durability, strength, and reliability. Below is a step-by-step breakdown of the production process:

1. Raw Material Selection

• High-quality API 5L X42 hot-rolled steel coils are used, sourced based on API 5L, GB/T9711, or ASTM A252 standards.
• The steel undergoes chemical composition analysis to ensure uniform mechanical properties, including yield strength and tensile strength.

2. Pipe Forming & Spiral Welding

• The steel plate is formed into a spiral shape using advanced rolling machines.
• The edges are submerged arc welded (SAW), forming a continuous, high-strength weld seam.
• The welding process ensures full penetration and defect-free welds, which are essential for oil & gas pipelines.

3. Heat Treatment & Strength Testing

• Pipes undergo heat treatment to improve tensile strength and load-bearing capacity.
• Each pipe is tested for bending strength, impact resistance, and structural integrity.

4. Hydrostatic Pressure Testing

• Each pipe undergoes high-pressure hydrostatic testing to verify leak-proof and structural reliability.

5. Ultrasonic & Radiographic Testing

• Non-destructive testing (NDT) is performed to detect internal or external defects in the weld seam.
• Ultrasonic, X-ray, and magnetic particle testing are used based on pipe grade and project requirements.

6. Beveling & Cutting

• Pipes are cut to required lengths using automated machinery.
• The pipe ends are beveled for easy welding and connection.

7. Coating & Anti-Corrosion Treatment

• Pipes can be coated with 3LPE, FBE, Epoxy Coal Tar, or Polyurethane coatings to enhance corrosion resistance.

8. Final Inspection & Packaging

• Pipes are marked, inspected, and bundled according to customer requirements.
• Each pipe is labeled with batch numbers, specifications, and manufacturer details for full traceability.

Why X42 Spiral Weld Pipes Are Preferred?

✔ Designed for high-pressure oil & gas pipeline systems
✔ Manufactured with advanced welding and heat treatment processes
✔ High resistance to bending, compression, and environmental exposure
✔ Custom coatings available to extend lifespan in marine and underground conditions

شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة follows strict quality control procedures to ensure high-performance X42 Spiral Weld Pipes.

X42 Spiral Weld Pipe Applications & Industry Uses

Where Are X42 Spiral Weld Pipes Used?

X42 Spiral Weld Pipes are widely used in energy, infrastructure, and construction projects that require high-strength, durable pipes.

Industry	التطبيق	Why X42 Spiral Weld Pipe?
خطوط أنابيب النفط والغاز	Transporting crude oil, natural gas, and refined fuels	High-pressure resistance and compliance with API 5L
نقل المياه	Potable water, sewage, and industrial pipelines	Leak-proof, long lifespan, and corrosion-resistant
Structural Applications	Bridge supports, crane booms, building structures	High-strength, cost-effective, and durable
Pile Foundations	Deep foundation support for bridges and buildings	High load-bearing capacity and seismic resistance
Marine & Offshore	Subsea pipelines, offshore drilling platforms	Resistant to seawater and extreme marine conditions

Why X42 Spiral Weld Pipes Are Ideal for Oil & Gas Pipelines?

✔ High resistance to corrosion and environmental exposure
✔ Available in long lengths for seamless pipeline construction
✔ Can be coated with 3LPE or Epoxy Coal Tar for extended durability

Cangzhou Spiral Steel Pipes Group supplies customized X42 Spiral Weld Pipes for oil & gas transmission, water projects, structural applications, and deep foundation piling.

X42 Spiral Weld Pipe Coating & Anti-Corrosion Treatment

To ensure long-lasting performance, X42 Spiral Weld Pipes can be coated with various anti-corrosion treatments.

نوع الطلاء	مقاومة التآكل	Best Applications
3LPE Coating	Very High	Oil & gas pipelines, water transmission
FBE (Fusion Bonded Epoxy) Coating	High	Underground pipelines, structural applications
Epoxy Coal Tar Coating	Excellent	Industrial pipelines & marine piling
طلاء البولي يوريثان	High	Offshore drilling & marine structures

Why Coating is Essential for X42 Spiral Weld Pipes?

✔ Prevents rust and corrosion in marine and underground environments
✔ Reduces maintenance costs and extends service life
✔ Enhances resistance against chemicals, seawater, and extreme temperatures

Cangzhou Spiral Steel Pipes Group provides custom coating services to meet industry-specific requirements.

X42 Spiral Weld Pipe Suppliers & Exporters

If you are looking to import X42 Spiral Weld Pipes, working with a reliable supplier ensures quality, competitive pricing, and timely delivery.

Top Chinese Exporters of X42 Spiral Weld Pipes

Company Name	الموقع	Annual Production Capacity
شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة	Hebei, China	400,000 طن
مجموعة باوستيل	Shanghai, China	500,000+ tons
Tianjin Steel Pipe Co.	Tianjin, China	300,000 طن

Why Choose Cangzhou Spiral Steel Pipes Group for X42 Spiral Weld Pipes?

✔ 27 years of experience in steel pipe manufacturing
✔ ISO 9001, API 5L, and ASTM-certified products
✔ 13 production lines, covering diameters from 219mm to 3500mm
✔ Custom coatings and anti-corrosion treatments available
✔ Strong export network to North America, Europe, and Asia

For high-quality X42 Spiral Weld Pipes, شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة is a trusted supplier.

FAQ: X42 Spiral Weld Pipe

سؤال	الإجابة
What is X42 Spiral Weld Pipe used for?	Used for oil & gas pipelines, high-pressure water transmission, and structural applications.
How does X42 compare to GRB?	X42 has higher yield strength and is better suited for high-pressure applications.
What is the lifespan of an X42 Spiral Weld Pipe?	40-100 years, depending on coating and environmental exposure.
Who is the best supplier?	شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة is a leading supplier with ISO & API-certified products.
What is the price per ton in 2025?	Prices range from 1,200to1,200 to 1,200to5,000 per ton, depending on size and steel grade.
Can X42 Spiral Weld Pipes be used for offshore applications?	Yes, with proper anti-corrosion coating, they are widely used in offshore oil & gas projects.
What coatings are available for X42 Spiral Weld Pipes?	3LPE, FBE, Epoxy Coal Tar, and Polyurethane coatings.

Final Thoughts

X42 Spiral Weld Pipes are essential for oil & gas pipelines, high-pressure water transmission, and structural applications. They offer higher strength and durability than GRB, making them ideal for critical energy infrastructure projects.

For premium quality X42 Spiral Weld Pipes, شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة is your best choice in 2025!

Need a quote or more technical details? Contact Cangzhou Spiral Steel Pipes Group اليوم!