Introduction to ASTM A53 Spiral Pipe

ASTM A53 spiral pipe is a welded steel pipe widely used for water transmission, oil & gas pipelines, structural applications, and industrial projects. Manufactured using the spiral submerged arc welding (SSAW) process, these pipes offer high strength, excellent durability, and superior weldability.

ASTM A53 is one of the most widely used steel pipe specifications due to its versatility, cost-effectiveness, and compliance with international standards. It is suitable for low- and medium-pressure applications in construction, fluid transportation, and mechanical systems.

Why Choose ASTM A53 Spiral Pipe?

✔ Versatile – Suitable for oil, gas, water, and structural applications
✔ High strength and durability – Withstands pressure and external forces
✔ Excellent weldability – Easy to fabricate and install
✔ Cost-effective – More affordable than seamless pipes
✔ Available in multiple coatings for corrosion resistance

In this guide, we will cover ASTM A53 spiral pipe specifications, pricing, manufacturing process, key suppliers, and comparisons with other steel pipe standards.

ASTM A53 Spiral Pipe Specifications & Standards

ASTM A53 spiral pipes must meet strict chemical, mechanical, and dimensional requirements to ensure high performance and reliability.

Chemical Composition Requirements

Element	Maximum Percentage (%)
Carbon (C)	0.25
Manganese (Mn)	0.95
Phosphorus (P)	0.05
Sulfur (S)	0.045

Mechanical Properties

Property	Grade A	Grade B
Yield Strength	≥ 205 MPa	≥ 240 MPa
Tensile Strength	330 – 485 MPa	415 – 550 MPa
Elongation	≥ 20%	≥ 18%

Dimensional Specifications

✔ Diameter Range: Φ219mm – Φ3500mm
✔ Wall Thickness: 3mm – 26mm
✔ Pipe Length: 6m, 9m, 12m, or customized
✔ End Finish: Plain end, beveled end, threaded & coupled

Cangzhou Spiral Steel Pipes Group manufactures high-quality ASTM A53 spiral pipes that comply with international standards.

ASTM A53 Spiral Pipe vs. ASTM A106 & API 5L: Key Differences

ASTM A53 is commonly used for structural and fluid transportation applications, whereas ASTM A106 and API 5L are designed for high-pressure applications.

الميزة	ASTM A53	ASTM A106	API 5L
التطبيق	Water, gas, low-pressure fluids	High-temperature & high-pressure pipelines	High-pressure oil & gas pipelines
Material	Carbon steel	Seamless carbon steel	Carbon steel (various grades)
عملية التصنيع	Welded (ERW & SSAW)	Seamless	Seamless & welded (ERW, SSAW, LSAW)
القوة	Medium	High	Very High
التكلفة	More affordable	Higher due to seamless process	Higher due to high-pressure applications

Which One Should You Choose?

✔ For low- and medium-pressure applications → ASTM A53 is the best choice
✔ For high-temperature, high-pressure applications → ASTM A106 is more suitable
✔ For oil & gas pipelines → API 5L is the preferred specification

Cangzhou Spiral Steel Pipes Group manufactures various steel pipe grades to meet different project requirements.

ASTM A53 Spiral Pipe Price Per Ton (2025)

The price of ASTM A53 spiral pipes depends on factors like diameter, wall thickness, steel grade, and coatings. Below is an estimated wholesale price per ton for 2025:

سُمك الجدار (مم)	سعر الطن (بالدولار الأمريكي)
3 – 6 mm	800−800 – 800−1,050
8 – 12 mm	1,050−1,050 – 1,050−1,300
14 – 26 mm	1,250−1,250 – 1,250−1,700

Factors Affecting Pricing

✔ Steel Grade: Grade B costs slightly more than Grade A.
✔ Customization: Coatings, special dimensions, and end finishes increase the price.
✔ Order Quantity: Bulk purchases lower costs per ton.
✔ Shipping Costs: Prices vary depending on destination and freight charges.

Cangzhou Spiral Steel Pipes Group offers competitive pricing for bulk ASTM A53 spiral pipe orders.

ASTM A53 Spiral Pipe Coating & Corrosion Protection

Why Is Coating Important for ASTM A53 Spiral Pipes?

ASTM A53 spiral pipes are commonly used in water transmission, oil & gas pipelines, and structural applications. These pipes often operate in harsh environments, where they are exposed to moisture, chemicals, and extreme weather conditions.

Applying a protective coating is essential to:
✔ Enhance durability and lifespan
✔ Prevent corrosion and rust formation
✔ Reduce maintenance costs
✔ Improve pipeline efficiency and safety

Common Coating Types for ASTM A53 Spiral Pipes

نوع الطلاء	Best For	مقاومة التآكل	Temperature Resistance	المزايا
Fusion Bonded Epoxy (FBE)	خطوط أنابيب المياه والغاز	High	Up to 85°C	Strong adhesion, smooth surface, chemical resistance
3-Layer Polyethylene (3LPE)	Underground pipelines	Very High	Up to 85°C	Excellent corrosion protection, high impact resistance
3-Layer Polypropylene (3LPP)	Offshore pipelines	Very High	Up to 140°C	High impact resistance, superior mechanical strength
Coal Tar Epoxy (CTE)	Marine environments	Very High	Up to 100°C	Cost-effective, effective in high-moisture areas
Galvanized Coating	Structural applications	معتدل	Up to 60°C	Affordable, suitable for general-purpose use

Choosing the Right Coating for Your Project

✔ For underground pipelines → 3LPE or 3LPP is best
✔ For offshore applications → 3LPP or Coal Tar Epoxy works well
✔ For water and gas pipelines → FBE provides excellent protection

Cangzhou Spiral Steel Pipes Group provides customized coating solutions to meet specific project requirements.

How to Import ASTM A53 Spiral Pipes from China?

Step-by-Step Guide to Importing ASTM A53 Spiral Pipes

✔ Step 1: Choose a Reliable Supplier

• Verify ASTM A53, API, and ISO certifications
• Check production capacity and quality standards
• Request product samples and factory inspections

✔ Step 2: Request a Quotation

• Provide pipe specifications (diameter, thickness, steel grade, coating type)
• Get pricing for FOB, CIF, or EXW terms

✔ Step 3: Negotiate Terms & Finalize Order

• Discuss payment terms (T/T, L/C, etc.)
• Confirm production lead time and delivery schedule

✔ Step 4: Quality Inspection & Testing

• Arrange for third-party inspection (SGS, BV, etc.)
• Ensure compliance with contract specifications

✔ Step 5: Shipping & Customs Clearance

• Work with freight forwarders for smooth logistics
• Submit necessary customs documents (Bill of Lading, Packing List, Commercial Invoice, etc.)

Cangzhou Spiral Steel Pipes Group provides hassle-free export services, ensuring timely delivery worldwide.

Global Market Demand for ASTM A53 Spiral Pipes

Why Are ASTM A53 Spiral Pipes in High Demand?

✔ Growing Infrastructure Projects – Demand for water transmission pipelines in municipal and industrial sectors is rising.
✔ Oil & Gas Industry Expansion – More low- and medium-pressure pipelines are needed for distribution networks.
✔ Industrial Growth – ASTM A53 pipes are widely used in construction, mechanical systems, and structural applications.
✔ Cost-Effective Alternative – Compared to seamless pipes, spiral welded pipes offer lower costs for large-scale projects.

Top Importing Regions for ASTM A53 Spiral Pipes

Region	التطبيقات الرئيسية	Demand (%)
North America (USA, Canada)	Water transmission, oil & gas distribution	38%
Europe (Germany, UK, France)	Industrial piping, construction	20%
Middle East (UAE, Saudi Arabia)	Oil pipelines, water desalination projects	22%
Southeast Asia (India, Indonesia)	Infrastructure development	12%
Africa & Latin America	Energy, water, and mining sectors	8%

Cangzhou Spiral Steel Pipes Group exports high-quality ASTM A53 spiral pipes to over 50 countries worldwide.

Frequently Asked Questions (FAQ) About ASTM A53 Spiral Pipes

سؤال	الإجابة
What is ASTM A53 spiral pipe used for?	Water transmission, oil & gas pipelines, structural applications, and mechanical systems.
What is the difference between ASTM A53 and ASTM A106?	ASTM A53 is used for low-pressure applications, while ASTM A106 is designed for high-temperature, high-pressure pipelines.
Can ASTM A53 pipes be custom-coated?	Yes, available coatings include 3LPE, 3LPP, FBE, and Coal Tar Epoxy.
What is the minimum order quantity (MOQ) for ASTM A53 pipes?	MOQ depends on the supplier, but bulk orders (50+ tons) receive better pricing.
How long does it take to manufacture ASTM A53 pipes?	Typically 15-45 days, depending on order size and specifications.
What are the payment terms for importing ASTM A53 pipes?	T/T (Telegraphic Transfer), L/C (Letter of Credit), and D/P (Documents Against Payment) are commonly used.
What sizes are available for ASTM A53 spiral pipes?	Diameters from Φ219mm to Φ3500mm, thicknesses from 3mm to 26mm.
Do ASTM A53 pipes require third-party inspection?	Yes, third-party testing and certification are recommended for ASTM A53 pipes.
Can Cangzhou Spiral Steel Pipes Group export to my country?	Yes, we export to over 50 countries worldwide.

Final Thoughts: Why Choose Cangzhou Spiral Steel Pipes Group for ASTM A53 Spiral Pipes?

For high-quality ASTM A53 spiral pipes, شركة مجموعة تشانغتشو للأنابيب الفولاذية الحلزونية المحدودة is your best supplier in 2025!

✔ 27+ years of experience in SSAW pipe manufacturing
✔ 400,000 tons annual production capacity
✔ Certified by ASTM, API 5L, GB/T, ISO 9001
✔ Custom sizes, coatings, and global shipping
✔ Competitive pricing for bulk orders

📞 Need a bulk quote or technical consultation? Contact Cangzhou Spiral Steel Pipes Group today!