ASTM ERW Stainless Steel Pipe
Our ERW stainless steel pipes are produced using advanced welding technology, strict quality control systems, and internationally recognized standards including ASTM, ASME, and EN specifications.
- Product Introduction
Product Overview
Our ERW stainless steel pipes are produced using advanced welding technology, strict quality control systems, and internationally recognized standards including ASTM, ASME, and EN specifications.
ERW stainless steel pipes feature excellent dimensional accuracy, smooth surface finish, high strength, and cost-effective performance, making them widely used in industries requiring reliable corrosion-resistant piping solutions.
With extensive export experience, we provide customized stainless steel pipe solutions for distributors, engineering companies, fabricators, and industrial end-users worldwide.
Product Specifications
|
Item |
Specification |
|
Product Name |
ASTM ERW Stainless Steel Pipe |
|
Manufacturing Process |
Electric Resistance Welded (ERW) |
|
Standard |
ASTM A312 / ASTM A249 / ASTM A269 / ASTM A270 |
|
Outer Diameter |
6 mm – 630 mm |
|
Wall Thickness |
0.5 mm – 50 mm |
|
Length |
Standard random length, fixed length, customized length up to 12 meters |
|
Pipe Type |
Welded Stainless Steel Pipe |
|
Surface Finish |
AP, BA, Polished, Hairline |
|
Production Method |
ERW Longitudinal Welding |
|
Customization |
Available upon request |
Product Features & Advantages
High Dimensional Accuracy: Consistent outer diameter and wall thickness control ensure structural stability.
Advanced ERW Technology: Precision electric resistance welding guarantees strong and reliable longitudinal weld seams.
Superior Corrosion Resistance: Premium alloy compositions withstand harsh industrial and chemical environments.
Smooth Surface Finish: Excellent internal and external surfaces reduce fluid friction and prevent particle accumulation.
High-Volume Capability: Suitable for large-scale industrial projects with stable, continuous supply chains.
Cost-Effective Performance: Delivers high durability and performance at competitive global market pricing.
Fully Customizable: Flexible production lines support custom dimensions, special lengths, and tailored surface treatments.
Manufacturing
Our ASTM ERW Stainless Steel Pipes are manufactured through a controlled production process:
Stainless Steel Coil Preparation: High-quality stainless steel coils are selected according to required grades and international standards.
Forming Process: The stainless steel strip is gradually formed into a tubular shape through precision forming equipment.
Electric Resistance Welding (ERW): The edges of the formed tube are heated by electrical resistance and welded together under controlled pressure, creating a strong longitudinal weld seam.
Heat Treatment & Annealing: Heat treatment is applied to relieve internal stresses, improve mechanical properties, and enhance corrosion resistance.
Surface Finishing: Pipes are processed with annealing, pickling, polishing, or other surface treatments according to customer requirements.
Inspection & Testing: Each pipe undergoes strict dimensional inspection and quality testing before shipment.
Surface Finish Options
|
Finish |
English Description |
|
AP (Annealed & Pickled) |
Smooth matte finish with high inherent corrosion resistance. |
|
BA (Bright Annealed) |
Bright reflective surface processed in a controlled protective atmosphere. |
|
Polished |
Mechanical polishing available from 180 grit up to 600 grit for aesthetic and sanitary needs. |
|
Hairline |
Decorative brushed surface finish suited for architectural and exposed installations. |
Applications
Chemical & Petrochemical Industry
For safe transportation of corrosive fluids, acids, and chemical media.
Food & Beverage Processing
Meeting strict hygiene and sanitation requirements for food-grade liquid transfer.
Pharmaceutical Industry
Utilized in ultra-clean piping networks and purified water process systems.
Water Treatment
Suitable for municipal water supply, desalination, and industrial wastewater treatment systems.
Construction & Architecture
Applied in structural support frames, handrails, and decorative elements.
Mechanical Equipment
Integrated into machinery manufacturing, automotive components, and industrial equipment.
Quality Control
To ensure consistent product quality, strict inspection procedures are implemented across all production stages:
Raw material chemical composition analysis
Mechanical property and tensile testing
Precise outer diameter and wall thickness measurement
Non-destructive weld quality inspection and Eddy current testing
Surface defect and visual inspection
Hydrostatic testing performed according to standard requirements
Packaging & Shipping
Professional export packaging ensures product safety during long-distance international transportation:
Plastic protective caps fitted on both pipe ends to prevent thread and edge damage
Heavy-duty waterproof wrapping to protect against moisture and sea salt
Secure steel strip bundling for stable container handling
Robust wooden cases or frames available for special protection
Optimized container loading plans to maximize space and minimize freight costs
Global Logistics Support:
Flexible shipping options including sea freight, air freight, and multimodal land transportation
Reliable global delivery to major international ports and inland industrial sites
FAQ
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