Proprietà fisiche dei magneti

Magneti al neodimio

Qualità Rimanenza Forza coercitiva Prodotto di energia Temp.
max.
di esercizio
Br bHc iHc (BxH)max
Gauss (G) Tesla (T) kOe kA/m kOe kA/m MGOe kJ/m³ °C
N30 10800-11200 1.08-1.12 9.8-10.5 780-836 ≥12 ≥955 28-30 223-239 ≤80
N33 11400-11700 1.14-1.17 10.3-11 820-876 ≥12 ≥955 31-33 247-263 ≤80
N35 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥12 ≥955 33-35 263-279 ≤80
N38 12200-12600 1.22-1.26 10.8-11.5 860-915 ≥12 ≥955 36-38 287-303 ≤80
N40 12600-12900 1.26-1.29 10.5-12.0 860-955 ≥12 ≥955 38-40 303-318 ≤80
N42 12900-13200 1.29-1.32 10.8-12.0 860-955 ≥12 ≥955 40-42 318-334 ≤80
N45 13200-13700 1.32-1.37 10.8-12.5 860-995 ≥12 ≥955 43-45 342-358 ≤80
N48 13700-14200 1.37-1.42 10.8-12.5 860-995 ≥12 ≥955 45-48 358-382 ≤80
N50 14000-14600 1.40-1.46 10.8-12.5 860-995 ≥12 ≥955 47-51 374-406 ≤80
N52 14200-14700 1.42-1.47 10.8-12.5 860-995 ≥12 ≥955 48-53 380-422 ≤65
30M 10800-11200 1.08-1.12 9.8-10.5 780-836 ≥14 ≥1114 28-30 223-239 ≤100
33M 11400-11700 1.14-1.17 10.3-11 820-876 ≥14 ≥1114 31-33 247-263 ≤100
35M 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥14 ≥1114 33-35 263-279 ≤100
38M 12200-12600 1.22-1.26 10.8-11.5 860-915 ≥14 ≥1114 36-38 287-303 ≤100
40M 12600-12900 1.26-1.29 10.8-12 860-955 ≥14 ≥1114 38-40 303-318 ≤100
42M 12900-13200 1.29-1.32 10.8-12.5 860-995 ≥14 ≥1114 40-42 318-334 ≤100
45M 13200-13700 1.32-1.37 10.8-13 860-1035 ≥14 ≥1114 43-45 342-358 ≤100
48M 13700-14200 1.37-1.42 10.8-12.5 860-995 ≥14 ≥1114 45-48 358-382 ≤100
50M 14000-14600 1.40-1.46 10.8-12.5 860-995 ≥14 ≥1114 47-51 374-406 ≤100
27H 10200-10600 1.02-1.06 9.5-10.1 756-804 ≥17 ≥1353 25-27 199-215 ≤120
30H 10800-11200 1.08-1.12 10.1-10.6 804-844 ≥17 ≥1353 28-30 223-239 ≤120
33H 11400-11700 1.14-1.17 10.3-11 820-876 ≥17 ≥1353 31-33 247-263 ≤120
35H 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥17 ≥1353 33-35 263-279 ≤120
38H 12200-12600 1.22-1.26 10.8-11.5 860-915 ≥17 ≥1353 36-38 287-303 ≤120
40H 12600-12900 1.26-1.29 10.8-12 860-955 ≥17 ≥1353 38-40 303-318 ≤120
42H 12900-13200 1.29-1.32 10.8-12 860-955 ≥17 ≥1353 40-42 318-334 ≤120
44H 13200-13600 1.32-1.36 10.8-13 860-1035 ≥17 ≥1353 42-44 334-350 ≤120
48H 13700-14200 1.37-1.42 10.8-12.5 860-995 ≥17 ≥1353 45-48 358-382 ≤120
27SH 10200-10600 1.02-1.06 9.5-10.1 756-804 ≥20 ≥1592 25-27 199-215 ≤150
30SH 10800-11200 1.08-1.12 10.1-10.6 804-844 ≥20 ≥1592 28-30 223-239 ≤150
33SH 11400-11700 1.14-1.17 10.3-11 820-876 ≥20 ≥1592 31-33 247-263 ≤150
35SH 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥20 ≥1592 33-35 263-279 ≤150
38SH 12200-12600 1.22-1.26 10.8-11.5 860-915 ≥20 ≥1592 36-38 287-303 ≤150
40SH 12600-12900 1.26-1.29 10.8-12.0 860-955 ≥20 ≥1592 38-40 303-318 ≤150
42SH 12900-13200 1.29-1.32 10.8-12 860-955 ≥20 ≥1592 40-42 318-334 ≤150
45SH 13200-13700 1.32-1.37 10.8-12.5 860-955 ≥20 ≥1592 43-45 342-358 ≤150
25UH 9800-10200 0.98-1.02 9.2-9.6 732-764 ≥25 ≥1990 23-25 183-199 ≤180
28UH 10400-10800 1.04-1.08 9.8-10.2 780-812 ≥25 ≥1990 26-28 207-233 ≤180
30UH 10800-11200 1.08-1.12 10.1-10.6 804-844 ≥25 ≥1990 28-30 223-239 ≤180
33UH 11400-11700 1.14-1.17 10.3-11 820-876 ≥25 ≥1990 31-33 247-263 ≤180
35UH 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥25 ≥1990 33-35 263-279 ≤180
38UH 12200-12600 1.22-1.26 10.8-11.5 860-915 ≥25 ≥1990 36-38 287-303 ≤180
40UH 12600-12900 1.26-1.29 10.5-12.0 860-955 ≥25 ≥1990 38-40 303-318 ≤180
25EH 9800-10200 0.98-1.02 9.2-9.6 732-764 ≥30 ≥2388 23-25 183-199 ≤200
28EH 10400-10800 1.04-1.08 9.8-10.2 780-812 ≥30 ≥2388 26-28 207-223 ≤200
30EH 10800-11200 1.08-1.12 10.1-10.6 804-844 ≥30 ≥2388 28-30 223-239 ≤200
33EH 11400-11700 1.14-1.17 10.3-11 820-876 ≥30 ≥2388 31-33 247-263 ≤200
35EH 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥30 ≥2388 33-35 263-279 ≤200
38EH 12200-12500 1.22-1.25 ≥11.3 ≥899 ≥30 ≥2388 36-39 287-310 ≤200
40EH 12500-12800 1.25-1.28 ≥11.6 ≥923 ≥30 ≥2388 38-41 302-326 ≤200
42EH 12800-13200 1.28-1.32 ≥11.7 ≥931 ≥30 ≥2388 40-43 318-342 ≤200
28AH 10400-10800 1.04-1.08 ≥9.9 ≥787 ≥33 ≥2624 26-29 207-231 ≤230
30AH 10800-11300 1.08-1.13 ≥10.3 ≥819 ≥33 ≥2624 28-31 223-247 ≤230
33AH 11300-11700 1.13-1.17 ≥10.6 ≥843 ≥33 ≥2624 31-34 247-271 ≤230
35AH 11700-12200 1.17-1.22 ≥11.0 ≥876 ≥33 ≥2624 33-36 263-287 ≤230
38AH 12200-12500 1.22-1.25 ≥11.3 ≥899 ≥33 ≥2624 36-39 287-310 ≤230
40AH 12500-12800 1.25-1.28 ≥11.6 ≥923 ≥33 ≥2624 38-41 302-326 ≤230
Y35 4000-4100 0.40-0.41 2.20-2.45 175-195 2.26-2.51 180-200 3.8-4.0 30.0-32.0 ≤250
MT-XX 2300-2600 0.23-0.26 2.1-2.3 167-183 2.4-3.5 191-278 1.3-1.6 10.4-12.8 ≤80
MT-XX-STIC 2100-2400 0.21-0.24 1.7-2.0 135-160 2.3-3.2 184-255 1.0-1.2 8.0-9.6 ≤80
MT-DISP 1600-2100 0.16-0.21 1.3-1.7 104-135 2.1-3.0 167-239 0.6-0.8 4.8-6.4 ≤80
MS-XX 2300-2600 0.23-0.26 2.1-2.3 167-183 2.4-3.5 191-278 1.3-1.6 10.4-12.8 ≤80
MS-XX-STIC 2100-2400 0.21-0.24 1.7-2.0 135-160 2.3-3.2 184-255 1.0-1.2 8.0-9.6 ≤80
CP-XXXX 1600-2100 0.16-0.21 1.3-1.7 104-135 2.1-3.0 167-239 0.6-0.8 4.8-6.4 ≤80
NMT-XX 4800-5800 0.48-0.58 3.7-4.7 290-380 8-10 630-800 5.5-6.5 44-52 ≤120
NMS-XX 4800-5800 0.48-0.58 3.7-4.7 290-380 8-10 630-800 5.5-6.5 44-52 ≤120

Magneti in ferrite

Qualità Rimanenza Forza coercitiva Prodotto di energia Temp.
max.
di esercizio
Br bHc iHc (BxH)max
Gauss (G) Tesla (T) kOe kA/m kOe kA/m MGOe kJ/m³ °C
Y35 4000-4100 0.40-0.41 2.20-2.45 175-195 2.26-2.51 180-200 3.8-4.0 30.0-32.0 ≤250

Nastri e fogli magnetici

Articoli Rimanenza Forza coercitiva Prodotto di energia Temp.
max.
di esercizio
Br bHc iHc (BxH)max
Gauss (G) Tesla (T) kOe kA/m kOe kA/m MGOe kJ/m³ °C
MT-XX 2300-2600 0.23-0.26 2.1-2.3 167-183 2.4-3.5 191-278 1.3-1.6 10.4-12.8 ≤80
MT-XX-STIC 2100-2400 0.21-0.24 1.7-2.0 135-160 2.3-3.2 184-255 1.0-1.2 8.0-9.6 ≤80
MT-DISP 1600-2100 0.16-0.21 1.3-1.7 104-135 2.1-3.0 167-239 0.6-0.8 4.8-6.4 ≤80
MS-XX 2300-2600 0.23-0.26 2.1-2.3 167-183 2.4-3.5 191-278 1.3-1.6 10.4-12.8 ≤80
MS-XX-STIC 2100-2400 0.21-0.24 1.7-2.0 135-160 2.3-3.2 184-255 1.0-1.2 8.0-9.6 ≤80
CP-XXXX 1600-2100 0.16-0.21 1.3-1.7 104-135 2.1-3.0 167-239 0.6-0.8 4.8-6.4 ≤80
NMT-XX 4800-5800 0.48-0.58 3.7-4.7 290-380 8-10 630-800 5.5-6.5 44-52 ≤120
NMS-XX 4800-5800 0.48-0.58 3.7-4.7 290-380 8-10 630-800 5.5-6.5 44-52 ≤120

I parametri magnetici e le proprietà fisiche indicate sopra sono valori indicativi e valgono a temperatura ambiente.

La temperatura massima di esercizio dei magneti dipende dal rapporto tra il diametro e lo spessore e da altri fattori ambientali. Quanto si possono scaldare i magneti?