Overview of China Spiral Steel Pipe

China is one of the largest producers and exporters of spiral steel pipes in the world, supplying high-quality spiral submerged arc welded (SSAW) pipes لـ oil & gas pipelines, water transmission, structural applications, and industrial projects. China’s steel industry is known for advanced manufacturing processes, strict quality control, and competitive pricing, making Chinese spiral steel pipes a preferred choice for global projects.

Key Features of China Spiral Steel Pipe

✔ Spiral Submerged Arc Welding (SSAW) process for high-strength pipes
✔ Manufactured according to API 5L, ASTM A252, GB/T9711, DIN, and EN standards
✔ Available in diameters from 219mm to 3658mm
✔ Used in oil & gas, water supply, construction, and industrial applications
✔ Cost-effective and high-performance steel pipes

This guide explores China’s top spiral steel pipe manufacturers, pricing trends, specifications, and applications.

Top Spiral Steel Pipe Manufacturers in China (2025)

Selecting a reliable Chinese manufacturer يضمن high-quality materials, precise welding processes, and compliance with international standards. فيما يلي بعض من leading spiral steel pipe manufacturers in China:

1. Cangzhou Spiral Steel Pipes Group Co., Ltd. (Best for Large Projects)

✔ 27 عاماً من الخبرة في تصنيع أنابيب الصلب
✔ 13 خط إنتاج لـ Φ219-Φ3500 مم الأنابيب الملحومة الحلزونية
✔ الطاقة الإنتاجية السنوية: 400,000 طن
✔ Certified by ISO 9001, API 5L, ASTM, and GB/T9711
✔ Specializes in oil & gas, water transmission, and industrial pipelines

2. Baosteel Group (Best for High-Quality Steel Pipes)

✔ One of China’s largest steel producers
✔ Produces API 5L-certified spiral steel pipes for global markets
✔ Strong R&D capabilities for advanced steel materials

3. Tianjin Youfa Steel Pipe Group (Best for Structural Steel Pipes)

✔ Top supplier of SSAW pipes for construction and piling
✔ Exports to over 100 countries worldwide
✔ Strong distribution network for fast delivery

4. Hengyang Valin Steel Tube Co., Ltd (Best for Energy Sector Pipelines)

✔ Leading producer of large-diameter SSAW pipes
✔ Specializes in oil & gas pipelines and high-pressure applications
✔ Advanced testing facilities for quality assurance

5. Ansteel Group Corporation (Best for Heavy-Duty Industrial Pipes)

✔ **Focuses on spiral steel pipes for power plants, chemical industries, and marine applications
✔ High-strength steel grades available
✔ Complies with API, ASTM, and DIN standards

Each of these manufacturers provides high-quality spiral steel pipes مع custom specifications for global projects.

China Spiral Steel Pipe vs Other Pipe Types

Choosing the right steel pipe type يعتمد على التطبيق والتكلفة والمتانة. Below is a comparison of China Spiral Steel Pipe vs Other Pipe Types:

الميزة	China Spiral Steel Pipe (SSAW)	ERW Steel Pipe	أنابيب الصلب غير الملحومة
عملية التصنيع	Spiral Submerged Arc Welding (SSAW)	Electric Resistance Welding (ERW)	Hot Rolling & Cold Drawing
Strength & Durability	عالية	معتدل	عالية جداً
أفضل حالة استخدام	Large-diameter pipelines, oil & gas, water transmission	Structural applications, fencing, mechanical pipes	High-pressure applications, oil & gas
نطاق القطر	219mm – 3658mm	21 مم - 610 مم	15mm – 1200mm
العمر الافتراضي	أكثر من 50 عامًا	30-50 سنة	أكثر من 50 عامًا
التكلفة	أقل	أقل	أعلى

Why Choose China Spiral Steel Pipe?

✔ Best for large-diameter pipelines
✔ Cost-effective for long-distance oil & gas transmission
✔ High corrosion resistance with various coatings
✔ Manufactured to international standards

China Spiral Steel Pipe Price Per Ton in 2025

سعر China Spiral Steel Pipe depends on factors such as pipe diameter, wall thickness, steel grade, and coating type. فيما يلي مخطط الأسعار التقديري لعام 2025:

سُمك الجدار (مم)	درجة الفولاذ	سعر الطن (بالدولار الأمريكي)
6 – 10 mm	api 5l x42 - x65	600−600 – 600−900
12 – 18 mm	api 5l x65 - x70	850−850 – 850−1,200
20 – 40 mm	api 5l x70 - x80	1,100−1,100 – 1,100−1,500

العوامل المؤثرة في السعر:

✔ قطر الأنبوب وسُمك الجدار - تتطلب الأنابيب الأكبر حجماً والأكثر سمكاً المزيد من المواد.
✔ درجة الفولاذ – Higher grades (X70, X80) cost more.
✔ نوع الطلاء – FBE, 3LPE, and PP coatings add extra cost.
✔ Order Quantity – Bulk orders receive better pricing.

تقدم مجموعة أنابيب الصلب الحلزونية الحلزونية من تشانجتشو high-quality China Spiral Steel Pipes at competitive prices.

China Spiral Steel Pipe Manufacturing Process & Quality Control

How Are China Spiral Steel Pipes Manufactured?

إن عملية التصنيع من China Spiral Steel Pipes follows strict API 5L, ASTM A252, GB/T9711, and DIN standards لضمان high durability, corrosion resistance, and mechanical protection. فيما يلي تفصيل تفصيلي خطوة بخطوة من عملية الإنتاج:

1. اختيار المواد الخام

• High-quality الفولاذ coils (API 5L, ASTM A252, GB/T9711) are selected based on chemical composition and mechanical properties.
• يخضع الفولاذ إلى rigorous testing للتحقق من قوة الخضوع وقوة الشد ومقاومة الصدمات.

2. Pipe Forming & Spiral Welding

• The steel plates are rolled into a spiral shape using automated forming machines.
• إن edges are submerged arc welded (SAW) using double-sided automatic welding لضمان strong, defect-free weld seams.
• إن welding process is continuously monitored لـ high structural integrity and durability.

3. Hydrostatic Testing

• يخضع كل أنبوب لاختبار هيدروستاتيكي عالي الضغط للتحقق من leak-proof performance and structural reliability.

4. Ultrasonic & Radiographic Testing

• الاختبارات غير المتلفة (NDT) للكشف عن internal or external welding defects.
• اختبار الموجات فوق الصوتية والأشعة السينية والجسيمات المغناطيسية ensure the highest quality control.

5. Surface Preparation

• يتم تنظيف الأنابيب باستخدام sandblasting or shot blasting to remove rust, scale, and contaminants.
• Proper surface preparation ensures better adhesion for protective coatings.

6. Coating Application (Optional)

• Fusion Bonded Epoxy (FBE), 3-Layer Polyethylene (3LPE), 3-Layer Polypropylene (3LPP), and Coal Tar Epoxy coatings are applied based on project requirements.
• Coatings provide superior corrosion resistance, UV protection, and extended lifespan.

7. Beveling & Cutting

• الأنابيب القطع بالأطوال المطلوبة باستخدام الآلات الآلية.
• إن أطراف الأنابيب مشطوفة لـ سهولة اللحام والتوصيل.

8. الفحص النهائي والتعبئة والتغليف

• الأنابيب تم تعليمها وفحصها وتجميعها according to customer specifications.
• كل أنبوب موسومة بأرقام الدفعات والمواصفات وتفاصيل الشركة المصنعة لـ التتبع الكامل.

Why Choose China Spiral Steel Pipes?

✔ Cost-effective alternative to seamless and ERW pipes
✔ Manufactured with advanced welding and coating technologies
✔ High resistance to corrosion, abrasion, and environmental stress
✔ Long service life in harsh operating conditions

Cangzhou Spiral Steel Pipes Group Co., Ltd follows strict quality control procedures لضمان high-performance spiral steel pipes that meet international standards.

China Spiral Steel Pipe Applications & Industry Uses

Where Are China Spiral Steel Pipes Used?

China Spiral Steel Pipes are widely used in oil & gas pipelines, water transmission, construction, and industrial applications.

الصناعة	التطبيق	Why Choose Spiral Steel Pipes?
خطوط أنابيب النفط والغاز	Crude oil, natural gas, offshore pipelines	High-pressure resistance and long-distance transmission
نقل المياه	Municipal water supply, wastewater pipelines	Leak-proof, corrosion-resistant, and cost-effective
Industrial Pipelines	Power plants, chemical processing, and refineries	Handles high pressures and corrosive environments
Construction & Structural	Piling, bridge foundations, structural supports	High strength and load-bearing capacity
البحرية والبحرية	Coastal water transmission, offshore oil rigs	مقاوم لمياه البحر والظروف البحرية القاسية

Why China Spiral Steel Pipes Are Ideal for Large Infrastructure Projects?

✔ Cost-effective solution for large-diameter pipelines
✔ Available in a wide range of steel grades and coatings
✔ Ideal for long-distance transmission and high-pressure applications

Cangzhou Spiral Steel Pipes Group is a leading supplier of China Spiral Steel Pipes for municipal water supply, oil & gas pipelines, industrial projects, and marine infrastructure.

China Spiral Steel Pipe Coating & Anti-Corrosion Treatments

What Are the Common Coatings for China Spiral Steel Pipes?

To improve corrosion resistance and durability, China Spiral Steel Pipes can be coated with various protective layers. Below is a comparison of the most commonly used coatings:

نوع الطلاء	Best For	مقاومة التآكل	مقاومة درجات الحرارة
الإيبوكسي الملتصق بالاندماج (FBE)	Water pipelines, oil & gas	عالية	Up to 85°C
بولي إيثيلين ثلاثي الطبقات (3LPE)	Underground pipelines, oil & gas	عالية جداً	Up to 85°C
3 طبقات من البولي بروبلين (3LPP)	Offshore pipelines, high-temperature applications	عالية جداً	Up to 140°C
Coal Tar Epoxy (CTE)	Buried pipelines, marine environments	عالية جداً	Up to 100°C
Galvanized Coating	Structural applications, fencing	معتدل	Up to 60°C

Why Apply Protective Coatings?

✔ Prevents corrosion and rust formation
✔ Extends pipeline lifespan by 50+ years
✔ Improves mechanical and chemical resistance
✔ Enhances performance in extreme environments

توفر مجموعة أنابيب الصلب الحلزونية الحلزونية من تشانغتشو customized coating solutions لـ oil & gas, water transmission, and industrial pipeline applications.

الأفكار النهائية

بالنسبة لـ premium-quality China Spiral Steel Pipes, شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة هو best choice in 2025!

تحتاج إلى اقتباس أو أكثر التفاصيل الفنية? اتصل بنا مجموعة كانغتشو للأنابيب الفولاذية الحلزونية اليوم!