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[ Grade & Standard ][ Main Propeties ][ Available Dimension ] [ Cross Reference of Domestic and Foreign Standards ]
Category Standard No. Variety Designation Application & Features
Silicon Steel Q/BQB
480-1999
Cold Rolled non-oriented silicon steel sheet in coil B35A440, B35A550, B50A470, B50A540, B50A600, B50A700, B50A800, B50A1000, B50A1300, B65A600, B65A700, B65A800, B65A1000, B65A1300, B65A1600 Offering an assortment of various of medium and low grades of silicon steel, with restrict dimensional tolerance, fine surface quality, which are applicable to high speed working.


[ Main Propeties ]

Product Applications

    Medium & low-grade non-oriented silicon steel is manufactured into various cores by welding or riveting after sheet punching. The silicon steel product of Baosteel can be widely used in electrical equipment manufacture of medium & small industrial electric motors, compressors for household appliances, power transformers, welding machine transformers and current regulators. Baosteel can also provide semi-organic and inorganic coatings for different applications.

Product Features:

    a. High dimension accuracy, high surface quality and high stacking coefficient.
    b. Insulation film on surface, sound insulati on properties and processability.
    c. Low core loss and high magnetic flux density.

Class Nominal thickness
mm
Theoretical density
kg/dm3
Core loss value P15/50
W/kg
Specified value of magnetic flux density peak value B50 T Specified value of stacking coefficient
B35A440 0.35 7.70 <=4.40 >=1.64 ?95.0
B35A550 7.75 <=5.50 >=1.66
B50A470 0.50 7.70 <=4.70 >=1.62 ?97.0
B50A540 7.70 <=5.40 >=1.65
B50A600 7.75 <=6.00 >=1.65
B50A700 7.80 <=7.00 >=1.68
B50A800 7.80 <=8.00 >=1.68
B50A1000 7.85 <=10.00 >=1.69
B50A1300 7.85 <=13.00 >=1.69
B65A600 0.65 7.75 <=6.00 >=1.64 ?97.0
B65A700 7.75 <=7.00 >=1.65
B65A800 7.80 <=8.00 >=1.66
B65A1000 7.80 <=10.00 >=1.68
B65A1300 7.85 <=13.00 >=1.69
B65A1600 7.85 <=16.00 >=1.69

Note:
Core loss: Consumed power in a sample of iron core at unit mass under specified frequency f and specified magnetic induction intensity Bm.
Magnetic flux density peak value: The magnetic strength peak value of a iron core specimen in demagnetization condition at spot frequency when the peak value of AC magnetic field reaches certain fixed value.

[ Available Dimension ]

mm
Normal Thickness Normal Width Inner Diameter of Coil
0.35 40~1290 508
0.50
0.65

[ Cross Reference of Domestic and Foreign Standards ]

Reference Table (magnetic)of Domestic and Foreign Standards for Cold Rolled Non-oriented Silicon Steel (sheet)

Thickness
mm
Q/BQB480 GB/T2521-1996 IEC404-8-4-87 JIS C2552-86 ASTM A677M-89 EN10106 TOCT21427.2-83
Designation P15/50
W/kg
Designation P15/50
W/kg
Designation P1.5/50
W/kg
Designation W15/50
W/kg
Designation P1.5/50
W/kg
Designation P1.5/50
W/kg
Designation P1.5/50
W/kg
0.35


B35A440
B35A550



4.40
5.50
35W230
35W250
35W270
35W300
35W330
35W360
35W400
35W440
2.30
2.50
2.70
3.00
3.30
3.60
4.00
4.40

250-35-A5
270-35-A5
300-35-A5
330-35-A5


2.50
2.70
3.00
3.30

35A230
35A250
35A270
35A300
35A360


35A440
2.30
2.50
2.70
3.00
3.60


4.40
36F320M
36F348M
36F370M
36F419M

2.53
2.76
2.93
3.32

M235-35A
M250-35A
M270-35A
M300-35A
M330-35A
2.35
2.50
2.70
3.00
3.30
2413
2412
2411
2.50
2.70
3.00
0.50



B50A470
B50A540
B50A600
B50A700
B50A800
B50A1000
B50A1300




4.70
5.40
6.00
7.00
8.00
10.00
13.00
50W230
50W250
50W270
50W290
50W310
50W330
50W350
50W400
50W470
50W540
50W600
50W700
50W800
50W1000
2.30
2.50
2.70
2.90
3.10
3.30
3.50
4.00
4.70
5.40
6.00
7.00
8.00
10.00


270-50-A5
290-50-A5
310-50-A5
330-50-A5
350-50-A5
400-50-A5
470-50-A5
530-50-A5
600-50-A5
700-50-A5
800-50-A5


2.70
2.90
3.10
3.30
3.50
4.00
4.70
5.30
6.00
7.00
8.00
50A230
50A250
50A270
50A290
50A310

50A350
50A400
50A470

50A600
50A700
50A800
50A1000
2.30
2.50
2.70
2.90
3.10

3.50
4.00
4.70

6.00
7.00
8.00
10.00
47F370M
47F384M
47F403M
47F452M
47F507M
47F617M
47F672M

47F332M
47F992M
2.93
3.04
3.23
3.57
4.01
4.89
5.32
6.93
7.86

M250-50A
M270-50A
M290-50A
M310-50A
M330-50A
M350-50A
M400-50A
M470-50A
M530-50A
M600-50A
M700-50A
M800-50A
M940-50A

2.50
2.70
2.90
3.10
3.30
3.50
4.00
4.70
5.30
6.00
7.00
8.00
9.40

2414
2413
2412

2411
2312
2311
2212
2112
2012
2111
2011


2.70
2.90
3.10

3.60
4.00
4.40
5.00
6.00
6.50
8.00
9.00
0.65 B65A600
B65A700
B65A800
B65A1000
B65A1300
B65A1600



6.00
7.00
8.00
10.00
13.00
16.00



65W600
65W700
65W800
65W1000
65W1300
65W1600



6.00
7.00
8.00
10.00
13.00
16.00



600-65-A5
700-65-A5
800-65-A5
1000-65-A5


6.00
7.00
8.00
10.00

1.55



65A800
65A1000
65A1300
65A1600

8.00
10.00
13.00
16.00

64F705M
64F882M

64F121M





5.59
6.98

9.60





M310-65A
M330-65A
M350-65A
M400-65A
M470-65A
M530-65A
M600-65A
M700-65A
M800-65A
M1000-65A
3.10
3.30
3.50
4.00
4.70
5.30
6.00
7.00
8.00
10.00
2212
2211
2112
2111





6.30
7.00
8.00
10.00






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