Product Description: 09G2S-12 / P355NL / A516 Grade 70 / 09MnNiDR Sheet Steel
09G2S-12 sheet steel (international equivalents P355NL, A516 Grade 70, and 09MnNiDR) is a low-alloy high-strength structural steel designed for operation at low temperatures and under elevated pressure. It is widely used in energy, oil and gas, and chemical industries.
General Technical Characteristics
09G2S-12 steel is known for its high strength, good weldability, and resistance to brittle fracture at low temperatures. It is suitable for manufacturing critical structures and equipment operating under pressure.
Key properties:
- high strength
- excellent weldability
- resistance to low temperatures
- high reliability under load
Chemical Composition
The composition ensures the required performance characteristics:
- Carbon (C): up to 0.12%
- Manganese (Mn): 1.3–1.7%
- Silicon (Si): 0.5–0.8%
- Nickel (Ni): may be present (to improve low-temperature properties)
- Sulfur (S) and Phosphorus (P): minimal content
Nickel addition improves toughness and resistance to low-temperature fracture.
Mechanical Properties
09G2S-12 steel typically demonstrates:
- yield strength: approximately 345–355 MPa
- high impact toughness at low temperatures
- resistance to deformation
- reliable long-term performance
Applications
09G2S-12 sheet steel is widely used for:
- pressure vessels
- boilers and storage tanks
- pipelines
- steel structures operating at low temperatures
It is commonly applied in energy, oil and gas, and chemical industries.
Features
Key advantages include:
- high resistance to brittle fracture
- reliability at low temperatures
- versatility of application
- good manufacturability and weldability
Supply Formats and Standards
The steel is supplied in sheet form:
- hot-rolled sheets
- various thicknesses and sizes available
The material complies with:
- GOST 19281
- EN 10028-3 (P355NL)
- ASTM A516 (Grade 70)
- GB/T (09MnNiDR)
09G2S-12 sheet steel is a reliable material for manufacturing equipment and structures operating under pressure and at low temperatures, where strength, safety, and durability are essential.
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