5754-O/H111
Soft AlMg3 sheet and plate: 80 MPa proof, 190 MPa tensile, and welding costs nothing — HAZ = parent metal.
Non-heat-treatable Al-Mg alloy for tanks, boat hulls, chequer plate and formed parts. In the annealed temper the heat of welding cannot soften it further, so the HAZ factors are 1.
- 0.2 % proof strength Rp0.2
- ≥ 80MPaFrom the standard≤ 100 mm
- Tensile strength Rm
- ≥ 190MPaFrom the standard≤ 100 mm
- Elongation after fracture A
- ≥ 12%From the standard≤ 100 mm · A50 or A as in Table 3.2a
- Characteristic proof strength fo
- 80MPaFrom the standard≤ 100 mm
- Characteristic ultimate strength fu
- 190MPaFrom the standard≤ 100 mm
- HAZ proof strength fo,haz
- 80MPaFrom the standard≤ 100 mm
- HAZ ultimate strength fu,haz
- 190MPaFrom the standard≤ 100 mm
All values
- Identity and composition not yet
- Mechanical 3
- Design values 4
- Physical not yet
- Thermal not yet
- Fire not yet
- Chemical and durability not yet
Mechanical
Strength
0.2 % proof strength Rp0.2
Minimum 0.2 % proof strength guaranteed by the product standard.
| Condition | Value | Evidence |
|---|---|---|
| ≥ 80MPa | From the standard |
Tensile strength Rm
Ultimate tensile strength. Product standards give a range or a minimum.
| Condition | Value | Evidence |
|---|---|---|
| ≥ 190MPa | From the standard |
Ductility
Elongation after fracture A
Minimum elongation; depends on gauge length and test direction.
| Condition | Value | Evidence |
|---|---|---|
| ≥ 12% | From the standard |
Design values
Characteristic proof strength fo
fo for design to Eurocode 9 (before partial factors).
| Condition | Value | Evidence |
|---|---|---|
| 80MPa | From the standard |
Characteristic ultimate strength fu
fu for design to Eurocode 9.
| Condition | Value | Evidence |
|---|---|---|
| 190MPa | From the standard |
HAZ proof strength fo,haz
0.2 % proof strength in the heat-affected zone of a weld (Eurocode 9).
| Condition | Value | Evidence |
|---|---|---|
| 80MPa | From the standard |
HAZ ultimate strength fu,haz
Ultimate strength in the heat-affected zone of a weld (Eurocode 9).
| Condition | Value | Evidence |
|---|---|---|
| 190MPa | From the standard |
Sources here are public pages that reproduce EN 485-2. For design and acceptance, the standard edition named in your specification and the inspection certificate (EN 10204 3.1) of the delivered product take precedence. Design factors are recommended values; your National Annex may set others.