Stainless Steel Seamless Tube Supplier | ASTM A312 Manufacturer
Product Overview
Yunming Metal is a professional stainless steel seamless tube supplier and manufacturer in China, providing high-quality seamless pipes in accordance with ASTM A312, ASTM A213, ASTM A269, and other international standards.
Our seamless tubes are designed for high-pressure and high-temperature applications, offering excellent corrosion resistance, superior strength, and long service life. Compared with welded tubes, seamless tubes provide better structural integrity and higher reliability.
We support custom sizes, materials, and specifications to meet various industrial project requirements, including oil & gas, petrochemical, power generation, and marine industries.
👉 Contact us now to discuss your project requirements.
Product Features
Why Choose Yunming Metal?
- ISO 9001 Certified Manufacturer
- Strict Quality Control & Full Traceability
- Mill Test Certificate (MTC) Available
- Flexible MOQ for First-Time Orders
- Fast Delivery to Global Markets
- Professional Export Service Team
We help reduce your sourcing risk and ensure stable supply.
Applications
- Oil & Gas Industry: High-pressure pipelines and transmission systems
- Petrochemical Industry: Refining and high-temperature processing systems
- Chemical Processing: Transport of corrosive and reactive media
- Food & Beverage Industry: Hygienic pipelines and processing equipment
- Power & Energy: Boilers, heat exchangers, and high-temperature systems
- Marine & Offshore: Corrosion-resistant structural applications
Widely used in demanding industrial environments worldwide.
Technical Specifications
Material: 304, 304L, 316, 316L, 321, 310S, 317L, 904L, 2205, 2507
Outer Diameter: 6mm – 2500mm (1/4″ – 100″)
Wall Thickness: SCH10 – SCH160, XXS
Length: 2000mm, 4000mm, 6000mm, 12000mm or customized
Surface Finish: Pickled, Bright Annealed, Polished
Standards: ASTM A312, ASTM A213, ASTM A269, ASME, EN
Custom sizes and special specifications are available upon request.
Manufacturing
Process
Our stainless steel seamless tubes are manufactured using advanced rotary piercing and cold drawing processes. Each tube is produced from high-quality billets and undergoes strict quality control, including:
- Dimensional inspection
- Chemical composition analysis
- Mechanical testing
- Non-destructive testing (NDT)
All products comply with international standards such as ASTM, ASME, and EN, ensuring consistent quality and reliable performance.
👉 Need a fast quotation?
Contact us now and get a reply within 24 hours.
Related Products
Looking for other stainless steel tube solutions for your project?
👉 Not sure which product fits your application? Contact us for expert recommendation.
FAQ
- What is a stainless steel seamless tube?
A seamless tube is manufactured without welding seams, offering higher strength and better pressure resistance compared to welded tubes.
- What standards do your tubes comply with?
Our products comply with ASTM A312, ASTM A213, ASTM A269, and other international standards.
- Can you customize sizes and specifications?
Yes, we provide customized sizes, materials, wall thicknesses, and lengths.
- Do you support third-party inspection?
Yes, we support SGS, BV, TUV, and other third-party inspections.
- What industries use seamless tubes?
They are widely used in oil & gas, petrochemical, chemical processing, power, and marine industries.
Get a Quote
Looking for a reliable stainless steel seamless tube supplier?
👉 Send us your requirements (material, size, quantity), and our team will provide a quotation within 24 hours.
👉 Click “Request a Quote” or contact us via WhatsApp for faster response.
