TOBO ASME Seamless Low Temperature Carbon Steel Pipe – For Cryogenic & Cold Service Applications

TOBO Low Temperature Steel Pipes are specifically engineered to maintain exceptional toughness and structural integrity in sub-zero and cryogenic service environments. Manufactured in strict compliance with ASME standards, these pipes are produced from fine-grain practice steels treated to deliver superior impact resistance at low temperatures. They are designed to prevent brittle fracture and ensure safe, reliable operation when transporting liquefied gases, refrigerants, and other media in cold climates or low-temperature processes. This makes them a critical and trusted component for the safe infrastructure of the LNG, petrochemical, and energy storage industries.

1. Product Description
TOBO Low Temperature Steel Pipes are carbon-manganese steel pipes optimized for sub-zero temperature applications. Key to their performance is a carefully controlled chemical composition and manufacturing process—including normalization heat treatment—which results in a refined grain structure that retains ductility and notch toughness far below freezing points. Our product range includes seamless and welded pipes conforming to dedicated low-temperature specifications, ensuring reliable performance where standard carbon steel would become dangerously brittle.

2. Key Specifications

• Material Standards: Primary compliance with ASTM A333/A333M (Seamless and Welded) and ASTM A671/A672 (Electric-Fusion-Welded).

• Common Grades: Grade 6 (-45°C / -50°F), Grade 3 (-100°F), Grade 7 (-75°C / -100°F), Grade 9 (-100°C / -150°F), and Grade 10 (-196°C / -320°F for liquid nitrogen).

• Dimensional Standards: Conform to ASME B36.10M.

• Size Range: Available in a comprehensive range from NPS 1/8" to 24" and larger.

• Key Test: All pipes are guaranteed to meet stringent Charpy V-Notch (CVN) impact energy requirements at their specified design temperature.

3. Application
These pipes are essential for systems operating in cold environments:

• LNG Industry: For liquefaction plants, storage tank piping, loading/unloading lines, and regasification terminals handling methane at -162°C.

• Petrochemical & Gas Processing: In cryogenic separation units, ethylene plants, and for handling liquid propane, ammonia, or CO2.

• Refrigeration & Cold Storage: Piping for industrial refrigeration systems, cold storage facilities, and food processing plants.

• Offshore & Arctic Environments: For process and utility lines on platforms and in pipelines located in cold geographic regions.

• Industrial Gas Production & Supply: For the production, storage, and distribution of liquid oxygen, nitrogen, and argon.

4. Key Advantages

• Guaranteed Low-Temperature Toughness: The primary advantage is certified impact resistance at the design temperature, preventing catastrophic brittle fracture.

• Excellent Weldability: Designed to be welded using qualified procedures without compromising the heat-affected zone's low-temperature properties.

• Proven Reliability: A long history of safe performance in critical cryogenic infrastructure globally.

• Cost-Effectiveness: Provides the necessary safety and performance for low-temperature service at a more economical cost than stainless or nickel alloys for many applications.

• Full Compliance & Traceability: Supplied with complete certification, including impact test reports, ensuring material suitability for the intended service.

5. Function
The core function of TOBO Low Temperature Steel Pipes is to provide a safe and durable pressure boundary for the containment and transport of gases and liquids at temperatures below -20°C. They are engineered to maintain ductility and absorb energy under mechanical stress or pressure fluctuations in cold conditions, thereby ensuring system integrity, preventing leaks or ruptures, and protecting personnel, the environment, and valuable process media.

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