
ST52 is a steel quality grade used for structural steel profiles produced according to German standards (DIN 17100). It is widely used in structural applications requiring high strength.
ST52 Profile Properties
- High Strength: Minimum 520 MPa tensile strength
- Weldability: Easy welding capability
- Cold Forming: Suitable for cold working
- Impact Resistance: High impact toughness values
ST52 Mechanical Properties
- Yield Strength: Minimum 355 MPa
- Tensile Strength: 510-680 MPa
- Elongation: Minimum 22%
- Hardness: 150-180 HB
ST52 Profile Types
- I Beams: INP, IPE, HE profiles
- Angles: L profiles, equal and unequal legs
- U Channels: UNP, UPE profiles
- Rectangular Profiles: Box profiles
ST52 Applications
- Industrial structures and steel constructions
- Bridge and crane systems
- Machinery and equipment manufacturing
- Load-bearing systems and frame structures
- Heavy-duty industrial racking systems
ST52 Standards and Equivalents
- DIN: ST52-3
- EN: S355JR
- ASTM: A572 Grade 50
- TS: TS EN 10025
ST52 Advantages
- High load carrying capacity
- Economic and efficient usage
- Easy to process and shape
- Long life and durability
ST52 profiles are indispensable materials for heavy industrial applications with their high mechanical properties and processability advantages. As Mersin Steel, we provide quality ST52 profile varieties and technical consulting services.





