UC Steel 305x305x240 S275JR/S355JR/S355J0 Universal Column

S275JR h section steel: is a non-alloy structural steel according to European standard EN 10025-2; yield strength of at least 275 MPa, with an impact energy of at least 27 Joules at +20°C.

S355JR steel h beam: manufactured according to EN 10025-2 standard, with a yield strength of at least 355 MPa, with an impact energy of at least 27 Joules at +20°C, suitable for more stringent engineering requirements, especially those applications requiring higher load-bearing capacity.

S355J0 h beam: similar to S355JR, the impact performance is tested at -20°C to ensure the toughness of the material at low temperatures.

UC stands for Universal Column, used for vertical load-bearing structures, with dimensions of 305 mm wide x 305 mm high, and a weight of approximately 240 kg per meter.

H-beams of this size are designed to withstand heavy loads and are suitable for heavy building structures such as high-rise buildings, bridges and industrial facilities.

The yield strength of S275JR h type beam is ≥275 MPa, and the tensile strength range is usually between 410 and 560 MPa.

The yield strength of S355JR h beam steel structure and S355J0 h steel is ≥355 MPa, and the tensile strength range is usually between 470 and 630 MPa.

In terms of impact energy, S275JR h shaped beam and S355JR h shaped iron beam are ≥27 J at +20°C, while S355J0 h shaped steel beam is ≥27 J at -20°C. S355J0 h type beam is more suitable for use in low temperature environments.

Weldability: All three types of steel have good weldability and are suitable for various welding processes, but it should be noted that as the strength level increases, more stringent preheating and post-treatment measures may be required during welding to avoid cold cracks.

Applications: These types of H-beams are widely used in structures that require high load-bearing capacity and good toughness, such as commercial buildings, bridge construction, industrial plant frames, etc.