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Wenzhou Yase Pipeline Equipment Co., Ltd. – ISO 9001 Certified Manufacturer Since 2008. Global Exporter of Seamless, Welded, Duplex & Nickel Alloy Tubing.

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About Yase Pipeline

A trusted name in stainless steel piping solutions with over 14 years of expertise in manufacturing and global export.

Company Profile

Established in 2008, Wenzhou Yase Pipeline Equipment Co., Ltd. is a leading stainless steel pipes supplier and stockist in China. We possess strong technical capabilities to produce stainless steel pipes and tubes strictly according to international standards including ASTM, JIS, BS, EN, GOST, and DIN.

Our product range includes seamless and welded stainless steel pipes and tubes in a wide variety of grades such as Austenitic, Duplex, and Nickel alloys. We are committed to meeting the strictest customer requirements with precision, durability, and reliability.

14+
Years of Experience
36+
Export Countries
500+
Self-branded Products
1000+
Plant Area (m²)
Factory Workshop Production Line Pipe Crimping Machine Detail

Our Products

High-quality stainless steel pipes and tubes manufactured to international standards for diverse industrial applications.

Stainless Steel Seamless Pipe

Stainless Steel Seamless Pipe

Cold drawn or hot rolled seamless tubes in grades 304, 316L, 321, 310S, and more.

  • Standards: ASTM, ASME, DIN, EN
  • Grades: 304/L, 316/L, 321/H, 310S
  • Process: Cold Drawing, Hot Rolling
Stainless Steel Welded Pipe

Stainless Steel Welded Pipe

ERW, EFW, and spiral welded pipes for structural and industrial use.

  • Standards: ASTM, JIS, BS
  • Grades: 304, 316L, 317L, 904L
  • Process: ERW, EFW, Spiral Welding
Stainless Steel Mechanical Tube

Mechanical & Structural Tube

Precision tubes for machinery, automotive, and construction applications.

  • Shapes: Round, Square, Rectangular
  • Finish: BA, 2B, No.4, Polished
  • Grades: 304, 316, 321
Sanitary Tube

Sanitary Stainless Tube

High-purity tubing for food, beverage, pharmaceutical, and biotech industries.

  • Standards: ASTM A270, DIN 11850
  • Finish: Electropolished, CIP/SIP
  • Diameter: 1/2" to 8"
Boiler & Heat Exchanger Tube

Boiler & Heat Exchanger Tube

High-temperature resistant tubes for boilers, superheaters, and condensers.

  • Grades: 304H, 316H, 347H, 310S
  • Standards: ASTM A213, ASME SA213
  • Applications: Power, Petrochemical
Duplex & Super Duplex Pipe

Duplex & Super Duplex Pipe

High strength, corrosion-resistant pipes for aggressive environments.

  • Grades: S31803, 2507, Zeron 100
  • Standards: ASTM A789, A790
  • Applications: Offshore, Chemical
Nickel Alloy Pipe

Nickel Alloy Pipe & Tube

Specialty alloys for extreme temperature and corrosive environments.

  • Grades: Inconel 625, 825, Hastelloy C276
  • Alloys: Incoloy 600/800, Monel 400
  • Standards: ASTM B161, B163, B167
Square & Rectangular Tube

Square & Rectangular Tube

Structural tubing in various sizes and finishes for architectural and industrial use.

  • Shapes: Square, Rectangular
  • Grades: 304, 316, 321
  • Finish: 2B, BA, No.4, Brushed
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Why Choose Yase Pipeline?

We combine technical excellence, global compliance, and customer-focused service to deliver unmatched value.

ISO 9001 Certified

Quality management system certified to ensure consistent product excellence.

Global Export

Products exported to over 36 countries with reliable logistics and support.

Mill Test Reports

Comprehensive documentation including MTRs and technical specifications.

Customer Support

Dedicated team providing technical advice and responsive communication.

14+
Years in Business
500+
Self-branded Products
1000+
Plant Area (m²)
36+
Export Countries

Frequently Asked Questions

What standards do your products comply with?

Our stainless steel pipes and tubes are manufactured according to ASTM, ASME, JIS, DIN, EN, GOST, BS, and GB standards, ensuring global compliance and quality assurance.

Do you provide Mill Test Reports (MTRs)?

Yes, we provide comprehensive Mill Test Reports (MTRs) with every shipment, including chemical composition, mechanical properties, and inspection results.

What grades of stainless steel do you offer?

We offer a wide range including 304/304L, 316/316L, 321/321H, 317L, 310S, 347/347H, 904L, 254 SMO, S31803 (Duplex), 2507 (Super Duplex), Hastelloy C276, Incoloy 600/800, and other special alloys.

Can you customize pipe dimensions and finishes?

Yes, we offer customization in outer diameter, wall thickness, length, and surface finish (BA, 2B, No.4, polished, electropolished) based on customer requirements.

What is your delivery time?

Standard delivery time is 15-30 days depending on order quantity and specifications. We ensure punctual delivery and provide tracking updates.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team directly.

[email protected] +86 158 8873 6400 (WhatsApp)
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