S235J2
1.0117Basic structural steel with guaranteed -20°C impact toughness. The toughest variant in the S235 family (J2 = 27J at -20°C). Used for welded structures in moderately cold environments, general structural fabrication, and applications where S235JR's 20°C impact is insufficient.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | S235J2 | 1.0117 | 100% |
| 🇪🇺 | DIN | Europe | St 37-3 U (old) | — | 95% |
Sources: EN 10025-2:2019, DIN 17100
Mechanical properties
Compatibility verdict
S235J2 and St 37-3 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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