Aluminum 3005-H25
Temper
AA 3005 · UNS A93005 · EN AlMn1Mg0.5, AW-3005
H25 = strain hardened and partially annealed, intermediate temper
Classic 3005 sheet temper for siding and roofing; between half and three-quarter hard.
Values for the H25 condition
Other 3005 tempers and conditions
3005 is listed in 17 conditions; see the grade overview at 3005.
Compare all 17 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Annealed | Pick for deep drawing, spinning and severe bending; lowest strength, maximum ductility. | 55 | 130 | 25 | 33 HB | 42 % IACS |
Strain hardened and stabilized, quarter hard | Thermally stabilised quarter hard; use when long-term property stability after forming/painting is required. | 120 | 150 | 10 | 39 HB | 41 % IACS |
Strain hardened and partially annealed, quarter hard | Stabilised quarter-hard temper with better elongation than H12 at similar strength. | 125 | 150 | 10 | 40 HB | 41 % IACS |
Strain hardened, quarter hard | Light cold work for mild forming with a modest strength gain over O. | 130 | 150 | 8 | 41 HB | 41 % IACS |
Strain hardened and stabilized, half hard | Stabilised half hard: half-hard strength with dimensional/mechanical stability after coil coating bake cycles. | 145 | 175 | 7 | 45 HB | 41 % IACS |
Strain hardened and partially annealed, half hard | The workhorse temper for pre-painted architectural coil and composite-panel skins: H14-level strength with extra bendability. | 150 | 175 | 6 | 46 HB | 41 % IACS |
Strain hardened, half hard | Default stocked sheet/coil temper: good strength with enough ductility for roll forming and moderate bends. | 155 | 175 | 5 | 48 HB | 41 % IACS |
H25This page Strain hardened and partially annealed, intermediate temper | Classic 3005 sheet temper for siding and roofing; between half and three-quarter hard. | 160 | 180 | 5 | 48 HB | 41 % IACS |
Strain hardened and stabilized, three-quarter hard | Stabilised three-quarter hard for stiff, stable painted panels. | 175 | 200 | 5 | 53 HB | 41 % IACS |
Strain hardened, three-quarter hard | Higher strength coil for flat panels and shallow forming where springback is acceptable. | 180 | 200 | 4 | 55 HB | 41 % IACS |
Strain hardened and partially annealed, three-quarter hard | Stiffer painted coil for wider panels and shutter/louvre profiles. | 180 | 200 | 4 | 54 HB | 41 % IACS |
Strain hardened and stabilized, full hard | Maximum stabilised strength; flat blanking and slit strip only. | 195 | 220 | 4 | 58 HB | 40 % IACS |
Strain hardened and partially annealed, full hard | Full-hard stabilised strip where flatness and high yield matter more than bending. | 200 | 225 | 3 | 59 HB | 40 % IACS |
Strain hardened, full hard | Full-hard strip for flat stampings, shutter slats and stiff thin panels; very limited bendability. | 205 | 225 | 3 | 60 HB | 40 % IACS |
Strain hardened and partially annealed, between three-quarter and full… | Heavily cold-rolled 3005 sheet given a partial anneal to a strength level between H26 and H28, retaining a little more ductility than fully hard stock. | 210 | 230 | 3 | 65 HB | 41 % IACS |
Strain hardened, extra hard | Extra-hard thin strip/foil stock where maximum as-rolled strength and flatness are needed. | 220 | 240 | 2 | 65 HB | 40 % IACS |
Strain hardened and partially annealed, extra hard | Maximum-strength partially annealed 3005 strip, one step above H28, used for thin high-strength sheet and fin/shutter stock where formability is minimal. | 240 | 255 | 2 | 72 HB | 41 % IACS |
What is 3005-H25?
3005-H25 is 3005 in the H25 temper — classic 3005 sheet temper for siding and roofing; between half and three-quarter hard. 3005-H25 has a yield strength of 160 MPa (23.2 ksi) and a tensile strength of 180 MPa (26.1 ksi) — weaker than 61% of aluminum grades. Elongation at break is 5% and the elastic modulus is 69 GPa (10 Msi). 3005-H25 has a density of 2.73 g/cm³ (0.0986 lb/in³), heavier than 61% of aluminum grades. It melts at 630°C (1,166 °F).
Advantages
- Forms and bends easily — 70/100, better than 83% of aluminum grades
- Readily welded — 85/100, better than 79% of aluminum grades
- High electrical conductivity — 41 % IACS, better than 78% of aluminum grades
- Conducts heat well — 163 W/m·K (94.2 BTU/hr·ft·°F), better than 77% of aluminum grades
- Good corrosion resistance — 68/100, better than 75% of aluminum grades
Limitations
- Difficult to machine — 38/100, worse than 84% of aluminum grades
- Limited service temperature — 120°C (248 °F), worse than 79% of aluminum grades
- Hard to polish — 45/100, worse than 76% of aluminum grades
3005-H25 properties
Typical room-temperature values for 3005-H25; 18 are specific to this condition. Other listed values are 3005 reference data and may not represent this condition. Bars are the position among aluminum grades.
Physical3
3005-H25 has a density of 2.73 g/cm³ (0.0986 lb/in³), heavier than 61% of aluminum grades. It melts at 630°C (1,166 °F).
Mechanical10
3005-H25 has a yield strength of 160 MPa (23.2 ksi) and a tensile strength of 180 MPa (26.1 ksi) — weaker than 61% of aluminum grades. Elongation at break is 5% and the elastic modulus is 69 GPa (10 Msi).
Thermal6
3005-H25 is rated for continuous service to 120°C (248 °F). It conducts heat at 163 W/m·K (94.2 BTU/hr·ft·°F), better than 77% of aluminum grades. Thermal expansion is 23.8 µm/m·K (13.2 µin/in·°F).
Electrical3
3005-H25 conducts electricity at 41 % IACS, better than 78% of aluminum grades.
Chemical & Environmental3
Corrosion resistance is good (68/100), better than 75% of aluminum grades.
Sustainability4
Producing a kilogram of 3005-H25 takes about 200 MJ of energy and emits 12.5 kg of CO₂ — less than 60% of aluminum grades. Typical recycled content is 35%.
Manufacturability7
3005-H25's machinability is fair (38/100, worse than 84% of aluminum grades); weldability excellent (85/100); formability very good (70/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 3005-H25
Is 3005 easy to machine?
Soft and gummy — use polished high-rake carbide, high speed, generous coolant/lubricant to avoid built-up edge; expect burrs on thin sheet.
Can 3005 be welded?
Readily GTAW/GMAW/resistance welded with ER4043 or ER5356 filler; HAZ anneals back to near-O strength, so design joints away from load peaks.
Can 3005 be formed, bent or molded?
Excellent roll forming, bending and stamping in O/H2x tempers; bend across the rolling direction and use larger radii for H16 and harder.
What surface finishes work on 3005?
Prime substrate for coil coating (PE/PVDF) and chemical conversion; clear anodizing is uniform but slightly grey, and brazing/flux processes need care because of the Mg content.
3005 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 |
|---|---|---|
| Si | ≤ 0.6 | 0.25 |
| Fe | ≤ 0.7 | 0.4 |
| Cu | ≤ 0.3 | 0.05 |
| Mn | 1 – 1.5 | 1.2 |
| Mg | 0.2 – 0.6 | 0.4 |
| Cr | ≤ 0.1 | 0.02 |
| Zn | ≤ 0.25 | 0.05 |
| Ti | ≤ 0.1 | 0.02 |
| Others (each)0.15 total | ≤ 0.05 | — |
| Al | balance | — |
3005-H25 — frequently asked
What is 3005-H25 used for?
3005-H25 is typically used for architectural siding, roofing sheet, composite panel skins, mobile home sheet, louvres and shutters and signage panels. In short: building sheet; stronger than 3003.
What is the yield strength of 3005-H25?
3005-H25 has a typical yield strength of 160 MPa (23.2 ksi) and a tensile strength of 180 MPa (26.1 ksi) — weaker than 61% of aluminum grades. Strength varies by condition: see the 17 listed tempers.
Is 3005-H25 easy to machine?
Not especially — machinability is rated fair (38/100, worse than 84% of aluminum grades). Soft and gummy — use polished high-rake carbide, high speed, generous coolant/lubricant to avoid built-up edge; expect burrs on thin sheet.
Can 3005-H25 be welded?
Yes — weldability is rated excellent (85/100). Readily GTAW/GMAW/resistance welded with ER4043 or ER5356 filler; HAZ anneals back to near-O strength, so design joints away from load peaks.
What surface finishes work on 3005-H25?
Prime substrate for coil coating (PE/PVDF) and chemical conversion; clear anodizing is uniform but slightly grey, and brazing/flux processes need care because of the Mg content.
Can 3005-H25 be formed, bent or molded?
Excellent roll forming, bending and stamping in O/H2x tempers; bend across the rolling direction and use larger radii for H16 and harder.
What is the maximum service temperature of 3005-H25?
3005-H25 is rated for continuous use to about 120°C (248 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Can FabDigit make parts in 3005-H25?
Yes — 3005-H25 is available for sheet metal; every part is priced by an engineer rather than instantly. Upload a STEP file to get a price and a DFM check.
Sources
- Aluminum Standards and Data / Teal Sheets — Registered Alloy 3005 — The Aluminum Association (2019)
- ASTM B209 — Aluminum and Aluminum-Alloy Sheet and Plate — ASTM International (2021)
- EN 573-3 / EN 485-2 (EN AW-3005, AlMn1Mg0.5) — CEN (2016)
- GB/T 3190 / GB/T 3880 — SAC (2020)
- ASM Handbook Vol. 2 — Properties of Aluminum Alloys — ASM International (1990)
- ASM Handbook Vol. 13B — Corrosion of Aluminum Alloys — ASM International (2005)
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.