High-Strength Austenitic Stainless Steel Pipes for Industrial Systems (ASTM A312

Product Specification

High-Strength Austenitic Stainless Steel Pipes for Industrial Systems (ASTM A312 / DIN EN 10217-7)

Introduction

1. Product Description

Our Austenitic Stainless Steel Pipes come in both seamless and welded types, strictly following the dimensional, material, and surface finish requirements specified in standards such as ASTM A312/A312M and DIN 11866. The austenitic microstructure delivers an outstanding combination of mechanical strength and ductility. Offered in popular grades including 304/L and 316/L, these pipes are ideal for specialized use in aseptic, chemical, pharmaceutical, and other high‑temperature or corrosive service environments.

2. Key Parameters

These pipes are manufactured with outer diameters from 6.35 mm to 219.1 mm, covering a wide range of pipeline system requirements. All products are supplied in heat‑treated condition to further optimize their internal metallurgical structure. Strict mechanical tests are performed, including tensile and flattening tests, to ensure yield strength and tensile strength meet or exceed standard requirements. Each pipe is also inspected via non‑destructive electrical tests or hydrostatic tests to ensure structural stability and pressure‑tight performance.

3. Product Applications

TOBO's stainless steel pipes feature outstanding versatility. They are mainly used in hygienic pipeline systems for pharmaceutical and food processing industries, where surface quality and material purity are critical. They also play an important role in chemical and petrochemical sectors for conveying corrosive media, as well as in power generation facilities for high‑temperature steam and water supply lines. In addition, they are widely applied in demanding architectural and structural projects.

4. Product Advantages

These pipes provide excellent corrosion resistance and heat stability, with an effective operating temperature range from -196°C to 800°C. Outstanding low‑temperature toughness avoids brittleness, while high ductility enables excellent workability including bending and welding without hardening caused by heat treatment. They perform reliably under high‑pressure and high‑flow conditions, with customized grades offering enhanced properties such as higher yield strength and improved wear resistance.

5. Product Functions

The core role of our austenitic stainless steel pipes is to serve as a safe, long‑lasting, and efficient channel for fluids and gases in key industrial applications. They are designed to maintain system cleanliness, avoid contamination in sensitive processes, and resist thermal stress and corrosion over many years of service. Their high reliability helps reduce maintenance downtime, lower long‑term operating costs, and support the stable and safe operation of important 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