S275J2
1.0145Structural steel with 275 MPa yield and guaranteed -20°C impact toughness. Mid-range in the EN 10025-2 structural series. Used for general welded structures, cranes, conveyor frames, and building steelwork in moderate cold-climate environments.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S275J2 | 1.0145 | 100% |
| 🇪🇺 | DIN | Europe | St 44-3 U (old) | — | 95% |
Sources: EN 10025-2:2019, DIN 17100
Mechanical properties
Compatibility verdict
S275J2 and St 44-3 U (old): 95% composition match
Related materials
C45
1.0503Medium carbon unalloyed quality steel. Good machinability and moderate strength after heat treatment. Widely used for shafts, spindles, pins, studs, and general machine parts.
S355JR
1.0045High-strength low-alloy structural steel with minimum yield strength of 355 MPa. Standard grade for bridges, buildings, cranes, and general structural applications. Impact tested at +20°C (JR).
S235JR
1.0038General-purpose structural steel with minimum yield strength of 235 MPa. The most common structural steel grade in Europe for general construction, frames, and non-critical structural applications.
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