DC03
1.0347Cold-rolled steel for moderate drawing applications. Better formability than DC01, not as good as DC04. The "middle" grade in the EN 10130 drawing steel series. Used for moderate deep-drawing applications, automotive body panels (non-critical areas), white goods housings, and general presswork.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | DC03 | 1.0347 | 100% |
| 🇪🇺 | DIN | Europe | St 1403 (old) | — | 90% |
Sources: EN 10130:2006, DIN 1623
Mechanical properties
Compatibility verdict
DC03 and St 1403 (old): 90% 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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