TOBO High-Durability Austenitic Stainless Steel Pipes (EN 10217-7 / ASTM A312)

Product Specification

TOBO High-Durability Austenitic Stainless Steel Pipes (EN 10217-7 / ASTM A312) for Industrial Process Systems
 

TOBO’s austenitic stainless steel pipes represent the cutting edge of modern metallurgical engineering, developed to satisfy the most stringent demands of key industries across the globe. Produced with rigorous quality control in full compliance with major international standards including ASTM A312 (US) and DIN 11866 (German), these pipes ensure stable material properties and accurate dimensional tolerances for seamless implementation in global projects. They are the ideal choice for applications demanding unwavering reliability, excellent corrosion resistance, and long service life — ranging from sanitary pharmaceutical production to high-pressure energy systems.

1. Product Description

Our austenitic stainless steel pipes are available in both seamless and welded versions, manufactured strictly in line with the dimensional, material, and surface finish requirements outlined in standards such as ASTM A312/A312M and DIN 11866. The austenitic structure delivers an exceptional combination of mechanical strength and ductility. Offered in popular grades including 304/L and 316/L, these pipes are ideal for use in aseptic, chemical, pharmaceutical, and general high-temperature or corrosive working environments.

2. Key Parameters

These pipes are manufactured with outer diameters from 6.35 mm to 219.1 mm, supporting diverse system layout and design needs. All products are supplied in heat-treated condition to refine their internal metallurgical structure. Comprehensive mechanical tests, including tensile and flattening tests, are performed to verify that yield strength and tensile strength meet required minimum values. Each pipe length also receives non-destructive electrical inspection or hydrostatic testing to ensure structural stability and leak-free performance under operating pressure.

3. Product Applications

TOBO stainless steel pipes are designed for broad industrial applicability. They are widely used in hygienic pipeline systems for the pharmaceutical and food industries, where surface quality and material purity are essential. They also play a vital role in the chemical and petrochemical industries for transporting corrosive media, as well as in power generation facilities for high-temperature steam and water supply pipelines. Additionally, they are widely applied in demanding architectural and structural engineering projects.

4. Product Advantages

These pipes offer exceptional corrosion resistance and heat stability, with effective operating temperatures ranging from -196°C to 800°C. Excellent low-temperature toughness avoids embrittlement, while high ductility supports superior workability — including bending and welding — without risk of hardening during heat treatment. They perform reliably under high-pressure and high-flow-velocity conditions, with selected customized grades providing enhanced characteristics such as higher yield strength and improved wear resistance.

5. Product Functions

The primary function of our austenitic stainless steel pipes is to provide a safe, long-lasting, and efficient conduit for fluids and gases in critical applications. They help maintain process purity, prevent contamination in sensitive production systems, and resist thermal fatigue and corrosive damage over many years of service. Their high dependability reduces maintenance shutdowns, cuts long-term lifecycle costs, and supports the continuous and safe operation of core industrial infrastructure.

Payment & Invoicing

1. First-Time Clients: 50% advance payment, 50% balance before shipment.
2. Strategic Clients: 30% advance, 70% payment against copy of Bill of Lading.
3. Long-Term Agreements: 60-day credit terms available (subject to credit approval).
4. Invoicing: 13% VAT Special Invoice provided; FORM A Certificate of Origin for exports.
5. fication System: Laser marking includes material code, pressure rating, and flow direction arrows.

FAQ

1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the Alibaba certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment