DC04
1.0338Cold-rolled low-carbon steel for deep drawing. Higher formability than DC01/DC03 — suitable for difficult drawing and profiling operations. Used for automotive body panels, deep-drawn kitchen sinks, complex stampings, and precision-formed components.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | ASTM A1008 DDS | — | REF |
| 🇪🇺 | EN | Europe | DC04 | 1.0338 | 100% |
| 🇪🇺 | DIN | Europe | St14 (old) | — | 98% |
| 🇯🇵 | JIS | Japan | SPCE | — | 90% |
Sources: ASTM A1008, EN 10130:2006, DIN 1623, JIS G3141
Chemical composition comparison (wt%)
Side-by-side: DC04 (EN) (EN 10130:2006) vs St14 (old) (DIN)
| Element | DC04 (EN) | St14 (old) (DIN) | Overlap |
|---|---|---|---|
| C | 0–0.08% | — | — |
| Mn | 0–0.4% | — | — |
| P | 0–0.03% | — | — |
| S | 0–0.03% | — | — |
Mechanical properties
Cold worked
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 270–350 | MPa |
| Yield Strength | 120–220 | MPa |
| Elongation | ≥ 38 | % |
| Elastic Modulus | ≥ 210 | GPa |
| Density | ≥ 7.85 | g/cm3 |
Compatibility verdict
DC04 and St14 (old): 98% composition match
Close equivalents but NOT identical.
Related materials
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).
S690QL
1.8928High-strength quenched and tempered fine-grain structural steel with minimum yield strength of 690 MPa. Used for heavily loaded structures like mobile cranes, mining equipment, bridges, and pressure vessels.
S275JR
1.0044Medium-strength structural steel with minimum yield strength of 275 MPa. Bridges the gap between S235JR and S355JR. Used for general structural applications, lattice towers, masts, and light crane components. Impact tested at +20°C (JR).
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