Parámetro
Tabla 1 Requisito químico
Ruina | C≤ | P≤ | S≤ | Minnesota | Si | Cu≤ | Mes | NI | Ceñudo |
Composición% | 0.03 | 0.02 | 0.02 | 0.6-1.1 | 0.3-0.5 | 0.20 | 3.8-4.1 | 78.5-80.0 | Resto |
Notas:
La forma y las dimensiones de las aleaciones cumplen con GBN198-88
Tabla 2 Requisito físico
Propiedad | Resistencia (μΩm) | Desinty (g/cm3) | Curie Point.c | Coeficiente magneto-estricción de alta saturación/10-6 |
Valor | 0.55 | 8.6 | 450 | 2 |
Tabla 3 Propiedades magnéticas de CA para la tira (valor mínimo)
Espesor | El pico para la intensidad del campo magnético es 0.1a/m, bajo diferente permeabilidad magnética offlexible μm/(MH/m) frecuenta μm/(MH/m) | |||
60Hz | 400Hz | 1 kHz | 10 kHz | |
0.02 | 17.5 | 12.5 | ||
0.05 | 18.8 | 9.4 | ||
0.10 | 22.5 | 15 | ||
0.20 | 12.5 | 7.5 | ||
0.35 | 25 | 8.8 |
Tabla 4 Coeficiente de expansión lineal a una temperatura diferente/(x10-6)
Temperatura | 20-100 ° C | 20-200ºC | 20-300ºC | 20-400ºC | 20-500ºC | 20-600ºC | 20-700ºC |
Valor | 1.3-10.8 | 10.9-11.2 | 14.4-12.9 | 11.9-12.5 | 12.3-13.2 | 12.7-13.4 | 13.1-13.6 |
Tabla 5 Requisito magnético (tira de rodadura en frío)
Grado I
(Δ & d)/mm | μ0.08/(mhm) ≥ | μm (mhm) ≥ | BS/T≥ | HC (A/M) ≤ |
0.005 | 12.5 | 44.0 | 0.75 | 6.4 |
0.01 | 17.5 | 87.5 | 0.75 | 4.8 |
0.02-0.04 | 20.0 | 112.5 | 0.75 | 4.0 |
0.05-0.09 | 22.5 | 137.5 | 0.75 | 2.8 |
0.10-0.19 | 25.0 | 162.5 | 0.75 | 2.0 |
0.20-0.34 | 28.0 | 225.0 | 0.75 | 1.6 |
0.35-1.00 | 30.0 | 250.0 | 0.75 | 1.2 |
1.10-2.50 | 27.5 | 225.0 | 0.75 | 1.6 |
2.50-3.00 | 26.3 | 187.5 | 0.75 | 2.0 |
Grado II
(Δ & d)/mm | μ0.08/(mhm) ≥ | μm (mhm) ≥ | BS/T≥ | HC (A/M) ≤ |
0.02-0.04 | 22.5 | 125.0 | 0.75 | 2.4 |
0.05-0.09 | 25.0 | 150.0 | 0.75 | 2.0 |
0.10-0.19 | 27.5 | 187.5 | 0.75 | 1.6 |
0.20-0.34 | 31.3 | 250.0 | 0.75 | 1.2 |
0.35 | 32.5 | 275.0 | 0.75 | 0.79 |
Grado III
(Δ & d)/mm | μ0.08/(mhm) ≥ | μm (mhm) ≥ | BS/T≥ | HC (A/M) ≤ |
0.01 | 25.0 | 150.0 | 0.73 | 2.4 |
0.02-0.04 | 31.0 | 190.0 | 0.73 | 1.6 |
0.05-0.09 | 38.0 | 250.0 | 0.73 | 1.2 |
0.10-0.19 | 38.0 | 250.0 | 0.73 | 1.2 |
0.20-0.34 | 38.0 | 280.0 | 0.73 | 1.0 |
0.35 | 44.0 | 310.0 | 0.73 | 1.0 |
Flastspring
(Δ & d)/mm | μ0.08/(mhm) ≥ | μm (mhm) ≥ | BS/T≥ | HC (A/M) ≤ |
3-22 | 25.0 | 125 | 0.75 | 2.4 |
Barra de rodadura caliente (forja)
(Δ & d)/mm | μ0.08/(mhm) ≥ | μm (mhm) ≥ | BS/T≥ | HC (A/M) ≤ |
8-100 | 25.0 | 125.0 | 0.75 | 2.4 |