S355J2 Low Temperature Toughness High Strength Structural Steel Pipe – Cold Climate Grade
Product Overview
S355J2 low temperature high strength structural pipe is engineered for cold climate and sub-zero temperature structural applications. Built on fine-grained micro-alloyed steel with guaranteed Charpy impact toughness at -20°C, it prevents brittle fracture and maintains reliable structural performance in cold environments. This cold climate grade is the standard material for northern infrastructure, cold storage facilities and offshore structures where low temperature performance is required.
Why Choose CNB Low Temperature Structural Pipe?
Our low temperature structural pipes are manufactured with controlled rolling and cooling processes to optimize grain structure and low temperature toughness. Every batch undergoes Charpy V-notch impact testing at specified temperatures to verify performance. We offer a full range of sizes and grades with various low temperature ratings to match specific climate and project requirements.
Key Specifications
| Item | Specification |
|---|---|
| Product Name | S355J2 Low Temperature High Strength Structural Pipe |
| Steel Grade | S355J2 / Q355C / ASTM A572 Gr.50 LT |
| Manufacturing Process | Hot rolled seamless / LSAW welded |
| Outer Diameter Range | 60.3mm – 813mm |
| Wall Thickness Range | 4mm – 50mm |
| Impact Requirement | ≥27J Charpy V-notch at -20°C |
| Standard Lengths | 6m / 12m, custom |
| Applicable Standards | EN 10210-3, GB/T 8162 |
| Minimum Yield Strength | ≥355MPa |
| Test Temperature | -20°C (standard) / -40°C (option) |
Core Advantages
- Low temperature toughness: Guaranteed impact performance at -20°C to prevent brittle fracture.
- Consistent strength: Maintains full structural performance in cold environments.
- Weldable low temp grade: Compatible with low hydrogen welding procedures.
- Cold climate proven: Widely used in northern infrastructure and cold storage projects.
- Full test documentation: Charpy impact data included with every batch.
Applications
This S355J2 low temperature structural pipe is widely used for cold climate building structures, cold storage facilities, northern infrastructure projects, offshore platforms, refrigeration systems and sub-zero temperature structural applications.
Get a Quotation
We supply low temperature structural steel pipes in various impact grades and temperature ratings for cold climate projects. Full impact test reports and project-specific material recommendations are available upon request. Contact our low temperature structural team for a detailed quotation.
