ASTM A358 EFW Stainless Steel Pipes – Engineered for High-Pressure & Corrosive Service

When your venture requests dependable execution beneath extraordinary conditions, ASTM A358 EFW Stainless Steel Pipes from YOUFASS convey the toughness you require. Fabricated utilizing Electric Fusion Welded innovation, our pipes are built to handle high-pressure and high-temperature situations over oil & gas, petrochemical, and control era businesses. With an yearly generation capacity of 50,000 tons over 15 committed generation lines, we offer distances across extending from 114.3 mm to 2500 mm and full compliance testing—including 100% UT/RT assessment. Supported by ISO 9001, PED, and TÜV certifications, each pipe meets rigid worldwide guidelines you can trust.

Why Choose Our ASTM A358 EFW Stainless Steel Pipes?

You confront extreme challenges—corrosive liquids, fluctuating temperatures, and strict extend timelines. That's why our ASTM A358 EFW Stainless Steel Pipes are built to surpass expectations.

Built for Demanding Applications

Our pipes flourish where others fall flat. You'll discover them in:

Oil & gas transmission and processing
Chemical and petrochemical plants dealing with forceful media
Power era offices requiring warm stability
Industrial channeling frameworks working beneath pressure

Each pipe is arrangement strengthened and tried to guarantee faultless weld integrity.

Production Strength You Can Rely On

YOUFASS is recognized among China's Top 500 ventures. Our capabilities include:

15 generation lines guaranteeing steady supply
200+ gifted workers centered on exactness manufacturing
Minimum arrange of fair 1 pipe—flexible arrangements for any extend size
Fastest conveyance in 7 days to Tianjin Port, keeping your plan on track

Quality Assurance at Every Step

We do not compromise. Each bunch experiences thorough inspection:

100% radiographic and ultrasonic testing for weld quality
Hydrostatic, mechanical, and chemical tests confirming fabric performance
Traceable crude materials from recognized steel sources
Full documentation: MTC 3.1/3.2, WPS/PQR, TPI, and test reports

Our ISO 17025 certify lab guarantees exactness you can verify.

Technical Specifications

Below are the nitty gritty parameters for our ASTM A358 EFW Stainless Steel Pipes:

Specification	Details
Standard	ASTM A358
Grades	TP304/304L/304H, 309S/310S, 316/316L, 317/317L, 321/321H, 347/347H
Outside Diameter (OD)	114.3 mm – 2500 mm
Wall Thickness (WT)	3 mm – 50 mm
Pipe Class	Class 1, 2, 3, 4, 5
Length	Random length or fixed length
Manufacturing Process	Electric Fusion Welded (EFW)
Surface Finish	Pickled & Annealed, Solution Annealed
End Finish	Plain end, Beveled end
Testing	RT/UT, Hydrostatic test, Mechanical & Chemical analysis
Packaging	Wooden box (optional steel frame), hexagonal binding + woven bag
Certifications	ISO 9001, PED, TÜV, ISO 17025
Documentation	MTC/MTR (3.1/3.2), TPI, WPS/PQR, MPS, UT/RT report

Standards and Certifications:

ISO 9001 Quality Management
PED (Pressure Equipment Directive)
TÜV certification.

Certifications

Flexible requesting, quick delivery:

Need a test? Arranging a major venture? We'll facilitate end-to-end supply. With quickest conveyance in 7 days to Tianjin Harbour, your plan remains on track.

Clients' approval & trust

Frequently Asked Questions

Q:What does EFW mean in ASTM A358 pipes?

A:EFW stands for Electric Combination Welded, a handle that produces solid weld creases perfect for high‑pressure and high‑temperature service.

Q:Where are ASTM A358 stainless steel pipes typically used?

A:They are commonly utilized in control plants, refineries, and chemical handling frameworks that require dependable weight performance.

Q:Can ASTM A358 pipes be supplied with radiographic testing?

A:Yes, full radiographic, ultrasonic, and hydrostatic testing can be given to guarantee weld keenness and compliance with specifications.

Q:What grades are available for your EFW pipes?

A:We supply all standard austenitic grades counting TP304/304L, 316/316L, 321/321H, and high-temperature combinations like 309S and 310S. Each review is custom fitted to your destructive or warm requirements.

Q:How quickly can you deliver pipes to my project site?

A:Our streamlined coordinations can provide your arrange to Tianjin Harbour in as quick as 7 days. We facilitate end-to-end to meet your venture schedule.

Q:Do you provide technical support for installation?

A:Absolutely. Our group offers specialized help, on-site commissioning back, and total venture coordination to guarantee consistent integration into your system.

Partner With a Trusted Stainless Steel Piping Specialist

Ready to discuss your next project for ASTM A358 EFW Stainless Steel Pipes? Reach out to our team at info@youfass.com and experience dependable quality.