Alumold alloys

Fortal Plus, Alumold 500, Alumold 400

Summary

  Fortal Plus Alumold 500 Alumold 400
Available thickness from 20 to 101 mm from 50 to 700 mm from 25 to 250 mm
Formats 3000 x 1300 mm 2000 x 3670 mm
1450 x 3300 mm
1100 x 4000 mm
800 mm
1050 x 3050 mm
1450 x 1500 mm
1000 x 1500 mm
1450 x 1500 mm
Chemical composition Alloy 7xxx - Zn, Mg, Cu Alloy 7xxx - Zn 6,0 Mg 2,4 Cu 1,6 Alloy 7xxx - Zn 5,0 Mg 1,5
Typical Physical properties
Specific weight Kg/dm3 2,82 2,82 2,79
Melting range °C 477 - 627 475 - 630 610 - 650
Linear expansion coefficient (0 - 100°) 23,4 . 10-6 23,7 . 10-6 23,5 . 10-6
Elastic module MPa* 72.000 72.000 72.000
Compression module MPa* 73.000 73.000 73.000
Poisson ratio 0,33 0,33 0,33
Thermal conductivity (0 100 ° C) W/m ° C 154 153 122
Specific heat (0 100 ° C) J/Kg ° C 960 857 960
(*) Average of the traction and compression modules.

Usage properties

Legend: A optimal, B good, C acceptable, D unsuitable

  Fortal Plus Alumold 500 Alumold 400
Welding
Union (TIG) B B A
Coating (MOG o TIG) D D B
Turning
With takeaway chip A A A
Polishing the surface A A B
Stability - - -
Anodizing
For protection C B C
Hard anodizing A A A
Thermal treatment The plates are already heat treated ad detensioned. No other treatment is needed before use. The plates are already heat treated ad detensioned. No other treatment is needed before use. The plates are already heat treated ad detensioned. No other treatment is needed before use.
Detensioning For traction for all thicknesses For traction in thicknesses from 25 to 200 mm. For compression in thicknesses from 150 to 350 mm For traction for all thicknesses.
Applications Thermoplastic injection (500.000 cycles and more), Blow moulds (Very long series, high stress). Thermoplastic injection (500.000 cycles and more), Blow moulds (Very long series, high stress). Thermoplastic injection (500.000 cycles and more), Blow moulds (Bottles, PET).

mechanical features

Low values Tipical values
Product Thickness mm UTS MPa 0.2PS MPa A/E % UTS MPa 0,2PS MPa A/E % HB* hardness
Alumold 1 - 600 12,72 e2 25,4 < 25,4 e2 38,1 38,1 < e2 50,8 50,8 < e2 76,3 76,2 < e 2 101,6 630 630
600 590
590
580 570
540 530
530
10 8
6 4 3
660 650
630 620
600
610 600
570 560
560
12 11
10 7 5
198 198
195 190
Alumold 1 - 500 252 e2 76,2 76,2 < e2 127 127 < e2 152,4 152,4 < e2203,2 203,2 < e2 254 254 < e2 350 560 550
540 525
505 470
510 500
490 480
460 435
5 4
2,5 1
1 0,5
590 580
570 555
535 510
540 530
520 510
490 470
10 6.4
2 1,5
1,5
185 185
180 180
175 175
Alumold 2 - 400 252 e2 38,1 38,1 440 415
415 400
395
390 370
370 350
340
10 8
6 4 3
660 650
630 6200
600
610 600
570 560
560
12 11
10 7 5
198 198
195 190
UTS (tensile strenth), o,2PS(elastic limit), A (elongation) measured values in 1/4 thickness
HB* (hardness brinnel) measured value 2,5mm , 62,5 kg (approximate)

Alumold 350, Alumold 110 CAST

Summary

  Alumold 350 Alumold 110 Cast
Available thickness from 65 to 350 mm from 45 to 1100 mm
Formats 1500 x 3000 mm; 1450 x 3000 mm 1570 x 3000 mm
1570 x 2500 mm
1600 x 2300 mm
Chemical composition Lega 2xxx - Cu, Mn Mg Lega 5xxx - Mg 4,5
Typical physical properties
Specific weight Kg/dm3 2,84 2,66
Melting range °C 545 - 645 580 - 640
Linear expansion coeff. (0 - 100°) 23,3 . 10-6 23,8 . 10-6
Elastic module MPa* 72.400 71.000
Compression module MPa* 74.400 72.000
Poisson ratio 0,33 0,33
Thermal conductivity (0 100 ° C) W/m ° C 130 117
Specific heat (0 100 ° C) J/Kg ° C 920 899
(*) Average of the traction ancd compression module

Usage properties

Legenda: A optimal, B good, C acceptable, D unsuitable

  Alumold 350 Alumold 110 CAST
Welding
Union (TIG) A A
Coating (MOG or TIG) - A
Torning
With takeaway chip B B
Polishing the surface B -
Stability - -
Anodizing
For protection - A
Hard anodizing A A
Thermal treatment The plates are already treated and detensioned. No other treatment is needed. Alumold 4 can not be hardened by heat treatments.
Detensioning For traction in thickness from 25 to 250 mm. For compression in thickness from 150 to 350 mm
Applications Loew pressure process (RIM) (500.000 cycles and more), Shoe moulds (Boots, soles). Thermoforming (Rubber, PU, Foam), blow extrusion (large size), prototype.

Mechanical features

Low values Typical values
Product Thickness mm UTS MPa 0.2PS MPa A/E % UTS MPa 0,2PS MPa A/E % HB* hardness
Alumold 3 - 350 252 e < 50,8 < e 2 76,2 76,2 2 e 2 101,6 101,6 < e 2 127 127 < e 2 152,4 152,4 2 e 203,2 203,2 < e 2 254 254 < e 2 305 428 428
414 407
393 380
355 320
317 310
304 297
290 280
270 240
7 6
5 5
4 2
1
0,5
465 465
465 460
455 420
390 360
366 366
366 365
360 330
315 310
9 9
8 7
6 4
3 2
145 145
145 140
135 125
120 110
Alumold 4 160 < e2 240 250 < e 2 600 250 105 13 285 240 140 110 18
9
85 80
UTS (tensile strenth), 0,2PS (limite elastico), A (allungamento) valori misurati a 1/4 spessore
HB* (brinnel hardness) measured sphere value 2,5mm , 62,5 kg (approximate value)

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