Steel DC04 · finish state
Steel DC04 Galvanized
Properties of the Galvanized condition, compared with the other DC04 tempers.
Choose when the drawn part must survive humidity or outdoor exposure without full paint systems.
What is DC04 Galvanized?
DC04 Galvanized is DC04 supplied in the Galvanized condition — choose when the drawn part must survive humidity or outdoor exposure without full paint systems. DC04 Galvanized has a yield strength of 190 MPa (27.6 ksi) and a tensile strength of 320 MPa (46.4 ksi) — weaker than 99% of steel grades. Elongation at break is 38% and the elastic modulus is 210 GPa (30.5 Msi). DC04 Galvanized has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,500°C (2,732 °F). HR is the default condition FabDigit quotes; Galvanized is available on request or by drawing note.
Advantages
- Conducts heat well — 55 W/m·K (31.8 BTU/hr·ft·°F), better than 99% of steel grades
- Ductile — tolerates forming and impact — 38%, better than 98% of steel grades
- Forms and bends easily — 88/100, better than 98% of steel grades
- Good corrosion resistance — 32/100, better than 96% of steel grades
- High electrical conductivity — 10.5 % IACS, better than 89% of steel grades
Limitations
- Hard to polish — 30/100, worse than 100% of steel grades
- Low strength — 190 MPa (27.6 ksi), worse than 99% of steel grades
- Limited service temperature — 200°C (392 °F), worse than 93% of steel grades
DC04 Galvanized properties
Typical room-temperature values for DC04 Galvanized — 9 properties are specific to this condition; the rest are grade-level values shared by every DC04 temper. Each bar shows where the value sits among the steel grades in FabDigit's library — further right is higher.
Physical3
DC04 Galvanized has a density of 7.85 g/cm³ (0.284 lb/in³), heavier than 56% of steel grades. It melts at 1,500°C (2,732 °F).
Mechanical13
DC04 Galvanized has a yield strength of 190 MPa (27.6 ksi) and a tensile strength of 320 MPa (46.4 ksi) — weaker than 99% of steel grades. Elongation at break is 38% and the elastic modulus is 210 GPa (30.5 Msi).
Thermal6
DC04 Galvanized is rated for continuous service to 200°C (392 °F). It conducts heat at 55 W/m·K (31.8 BTU/hr·ft·°F), better than 99% of steel grades. Thermal expansion is 12 µm/m·K (6.67 µin/in·°F).
Electrical3
DC04 Galvanized conducts electricity at 10.5 % IACS, better than 89% of steel grades.
Chemical & Environmental3
Corrosion resistance is poor (32/100), better than 96% of steel grades.
Sustainability4
Producing a kilogram of DC04 Galvanized takes about 25 MJ of energy and emits 2.1 kg of CO₂ — less than 82% of steel grades. Typical recycled content is 22%.
Manufacturability7
DC04 Galvanized's machinability is good (55/100, better than 62% of steel grades); weldability very good (80/100); formability excellent (88/100).
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Other DC04 tempers and conditions
DC04 is also supplied in 3 other conditions. The full side-by-side table is on the DC04 overview.
- HRDefaultOnly for thicknesses above the cold-rolled range; slightly stronger, less ductile and rougher surface than true DC04.230 MPa yield · 115 HB
- GalvanizedChoose when the drawn part must survive humidity or outdoor exposure without full paint systems.190 MPa yield · 100 HB
- ZEThin, very uniform zinc layer that keeps class-A surface and full drawability — best for visible painted panels.185 MPa yield · 96 HB
- CRStandard stocked condition: the deep-drawing sheet itself — pick for multi-stage stampings and drawn shells.180 MPa yield · 95 HB
Working with DC04 Galvanized
Is DC04 easy to machine?
Soft and gummy — use sharp positive-rake tools, high speed and good lubrication to avoid burrs and built-up edge; deburr blanked edges.
Can DC04 be welded?
Excellent: resistance spot, MAG, laser and brazing all straightforward at very low carbon equivalent; remove zinc fume/coating allowance on coated grades.
Can DC04 be formed, bent or molded?
Designed for severe multi-stage deep drawing (r90 ≥ 1.6, n90 ≥ 0.18); use drawing oil and radii ≥ 3t, mind ~1–2 % strain-ageing/stretcher-strain risk on long-stored non-stabilised coil.
What surface finishes work on DC04?
Standard route is zinc phosphate + cathodic e-coat or powder paint; hot-dip/electro-galvanised, prepainted and Zn-Ni options available — bare sheet must never be left unprotected.
DC04 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| CEN 10130 max | ≤ 0.08 | 0.04 |
| Mn | ≤ 0.4 | 0.25 |
| P | ≤ 0.03 | 0.02 |
| S | ≤ 0.03 | 0.01 |
| Sinot specified in EN 10130; typical mill practice, Al-killed | ≤ 0.05 | 0.02 |
| AlAl-killed, total Al typical | 0.02 – 0.07 | 0.04 |
| Fe | balance | — |
DC04 Galvanized — frequently asked
What is DC04 Galvanized used for?
DC04 Galvanized is typically used for complex automotive stampings, appliance housings, lighting and lamp bodies, deep-drawn enclosures and covers, thin-wall brackets and electrical cabinet panels. In short: superior deep-draw quality.
What is the yield strength of DC04 Galvanized?
DC04 Galvanized has a typical yield strength of 190 MPa (27.6 ksi) and a tensile strength of 320 MPa (46.4 ksi) — weaker than 99% of steel grades. Strength varies by condition: see the 4 listed tempers.
Is DC04 Galvanized easy to machine?
Reasonably — machinability is rated good (55/100, better than 62% of steel grades). Soft and gummy — use sharp positive-rake tools, high speed and good lubrication to avoid burrs and built-up edge; deburr blanked edges.
Can DC04 Galvanized be welded?
Yes — weldability is rated very good (80/100). Excellent: resistance spot, MAG, laser and brazing all straightforward at very low carbon equivalent; remove zinc fume/coating allowance on coated grades.
What surface finishes work on DC04 Galvanized?
Standard route is zinc phosphate + cathodic e-coat or powder paint; hot-dip/electro-galvanised, prepainted and Zn-Ni options available — bare sheet must never be left unprotected.
Can DC04 Galvanized be formed, bent or molded?
Designed for severe multi-stage deep drawing (r90 ≥ 1.6, n90 ≥ 0.18); use drawing oil and radii ≥ 3t, mind ~1–2 % strain-ageing/stretcher-strain risk on long-stored non-stabilised coil.
What is the maximum service temperature of DC04 Galvanized?
DC04 Galvanized is rated for continuous use to about 200°C (392 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between DC04-HR and DC04-CR?
HR is the default condition — only for thicknesses above the cold-rolled range; slightly stronger, less ductile and rougher surface than true DC04. CR: standard stocked condition: the deep-drawing sheet itself — pick for multi-stage stampings and drawn shells. Yield strength is 230 MPa in HR versus 180 MPa in CR.
Can FabDigit make parts in DC04 Galvanized?
Yes — DC04 Galvanized is available for sheet metal with instant online pricing. Upload a STEP file to get a price and a DFM check.
Sources
- EN 10130 — Cold rolled low carbon steel flat products for cold forming — CEN (2006)
- EN 10346 — Continuously hot-dip coated steel flat products for cold forming — CEN (2015)
- EN 10152 — Electrolytically zinc coated cold rolled steel flat products — CEN (2017)
- ASTM A1008/A1008M — Steel Sheet, Cold-Rolled, Carbon, Structural, HSLA, DS/DDS — ASTM (2021)
- ASM Handbook Vol.1 — Properties and Selection: Irons, Steels — ASM International (1990)
- Cold rolled mild steel DC01–DC06 datasheet — ArcelorMittal / ThyssenKrupp Steel (2023)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.