st52-3 material specification, st52-3?chemical?composition, st52-3?mechanical?properties

ST52-3 is a structural steel grade defined under DIN 17100. Due to its good weldability and mechanical properties, it is a low-alloy, high-strength steel commonly used for structural engineering applications.

Chemical Composition (Typical Values):

Mechanical Properties:

• Yield strength decreases as thickness increases.
• Mechanical properties are optimized for structural applications.

Applications:

• Construction and structural engineering
• Bridge-building
• Heavy machinery and equipment
• Pressure vessels (limited to specific scenarios)

Weldability:

ST52-3 has excellent weldability. It supports various welding methods without preheating for thinner sections. For larger thicknesses, pre-heating is recommended.

Equivalent Grades:

• ASTM A572 Grade 50
• EN 10025 S355JR
• ISO Fe510B

This material's balance of strength and versatility makes it a preferred choice in construction and heavy industries. When selecting material grades, always confirm specific project requirements.

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