ASTM A358 Stainless Steel EFW Pipe

Common materials for ASTM A358 stainless steel pipes include stainless steel grades such as 304/304L and 316/316L, which have good corrosion resistance and mechanical properties.
ASTM A358 standard covers six different grades of electric welded stainless steel pipes, each with slightly different application scope and manufacturing requirements. They are mainly divided into the following categories:
Class 1: Single pass welding, and overall heat treatment after welding.
Class 2: Double pass welding, and overall heat treatment after welding.
Class 3: Single pass welding, no heat treatment.
Class 4: Double pass welding, no heat treatment.
Class 5: Only inner pass, and overall heat treatment after welding.
Class 6: Only outer pass, and overall heat treatment after welding.

Why Choose GNEE

GNEE products have been exported to 60 countries including India, Thailand, Iran, Brazil, Egypt, etc. GNEE has passed ISO9001 quality management system certification, American Petroleum Institute API-5CT, API-5L certification, special equipment production license, BV certification and other third-party certifications.
Whether selecting existing stock products from our catalog or seeking engineering assistance for your application, you can discuss your procurement needs with our customer service center. We welcome you at any time.
 

FAQ
Q. What are your company's main products?
A: Our main products are stainless steel round tubes/square tubes, etc.
Q. How do you control quality?
A: Factory test certification is provided with shipment, third-party inspection is available.
Q. What are your company's advantages?
A: We have many professionals, technicians, more competitive prices than other stainless steel companies, and better after-sales service.