Technical Specification of Silicon Electrical Steel Sheet

1.1 GRADE: -M-5 or its equivalent.
1.2 SIZE
a) Thickness with insulation coating = 0.30 +0.01 mm./- 0.03 mm.
b) Width = 375 + 1 mm.
c) Length -In conformity with weight of the coil.
d) Deviation in thickness in crosswise direction = 0.03 mm (maximum).

02. SURFACE COA TING:

a) AISI C-5 or its equivalent any other inorganic insulation substance.
b) Should be firmly bonded on to mother sheet that it never peels off due to cutting, punching,
bending or similar operations.
c) Should be highly resistant to rust & highly corrosion resistant to mineral Transformer Oil,
should be heat resistant up to about 850° C in non-oxidizing atmosphere, should have good weldability and high inter laminar resistance.
d) Thickness should not be more than 4 microns on each side.
03. Lamination factor = Minimum 96% at pressure of4 kg/cm2.
04. Maximum core .loss of the Cold Rolled Grain Oriented Silicon (Electrical) Steel Sheet should
be at 1.7 Tesla & at 50 Hz = 1.29 watt/kg.
05. Minimum induction at 800 A/M = 1.83 Tesla.

06. Resistivity (in longitudinal to the rolling direction) = 48x10-8 ohm.M.

07. TYPICAL MECHANICAL PROPERTIES: --

a) Tensile strength:
i) Longitudinal to the rolling direction = 343 N/mm2
ii) Transverse to the rolling direction = 382 N/mm2

b) Yield point: .
i) Longitudinal to the rollirng direction = 324 N/mm2
ii) Transverse to the rolling direction = 343 N/mm2

c) Elongation:
i) Longitudinal to the rolling direction = 10%
ii) Transverse to the rolling direction = 33%

d) Hardness: = 177 HV.
e) Bending Test Value:
i) Longitudinal to the rolling direction = 24
ii) Transverse to the rolling direction = 2 I

08. Recommended annealing temperature = 780°C to 820°C for 2 (two) hours.




09. APPEARANCE :

a) Sheets should be tree from rust, cracks and other harmful defects. Insulation film .i should bc
well adhering. :
b) Sheets should be tree from coil set, edge ripple and through which would cause hindrance to
make iron core.
c) Cutting burr of steel should be less than 0.05 mm

10. PACKING
a) Inside coil diameter = 500 to 510 mm
b) Weight of coil (Gross) = 2.5 to 3.0 M.Tons (max.).
c) Should be vertical axis type.
d) Should be sea- worthy export packing with:

i) Paper covering.
ii) Polythene bag.
iii) Full outside protection with galvanized sheet.
iv) Wooden pallet.
v) Secured by metal strapping. ,

e) Coils should be packed in such a way that it should not be deformed nor deteriorated during
transit and in handling.
f) The materials to be stuffed preferably in top-open container.
g) In case of shipment in 20' and 40' FCL Container the maximum gross weight of container
should not exceed 24,000 kgs & 30,480 kgs. respectively. For exceeding gross weight of
container, additional expenses/ charges imposed by concerned authority shall have to bear
by the supplier/Local agent.

h) In case of shipment in 20' and 40' FCL Container the maximum gross weight of each
coil/bundle/package/pallet/box should not exceed 3000 kgs. For exceeding gross weight of
coil/bundle/package/pallet/box, additional expenses/ charges imposed by concerned authority
shall have to bear by the supplier/Local agent.

N.B..

1. IN THE OFFER PACKING IN DETAILS MINIMUM AND MAXIMUM GUARANTEE VALUES
(AS AND WHERE APPLICABLE) OF ME MANUFACTURERS FOR ELECTRICAL, MECHANICAL AND MAGNETIC PROPERTIES ARE TO BE SPECIFICALLY MENTIONED.

2. RELEVANT TECHNICAL BROCHURE/MANUAL IN ENGLISH TO BE SUBMITTED
ALONGWITH OFFER. THE MANUAL/BROCHURE MUST BE CONTAIN THE FOLLOWING
CURVES/GRAPHS:

a) Induction v/s core loss,
b) Induction v/s exciting RMS current,
c) Induction v/s exciting RMS Volt. Amp per kg.
d) Core loss v/s angles from the rolling direction,
e) A.C. permeability v/s magnetic induction,
t) Peak permeability v/s magnetic induction,
g) Induction v/s field intensity (B-H curve).

3. Relevant Extracts or Photocopy of the offered Technical Specification must be submitted
along with the offer.


Technical Specification of Silicon Electrical Steel Sheet

1.1 GRADE: -M-5 or its equivalent.
1.2 SIZE
a) Thickness with insulation coating = 0.30 +0.01 mm./- 0.03 mm.
b) Width = 520 + 1.00 mm.
c) Length -In conformity with weight of the coil.
d) Deviation in thickness in crosswise direction = 0.03 mm (maximum).

02. SURFACE COA TING:

a) AISI C-5 or its equivalent any other inorganic insulation substance.
b) Should be firmly bonded on to mother sheet that it never peels off due to cutting, punching,
bending or similar operations.
c) Should be highly resistant to rust & highly corrosion resistant to mineral Transformer Oil,
should be heat resistant up to about 850° C in non-oxidizing atmosphere, should have good weldability and high inter laminar resistance.
d) Thickness should not be more than 4 microns on each side.
03. Lamination factor = Minimum 96% at pressure of4 kg/cm2.
04. Maximum core .loss of the Cold Rolled Grain Oriented Silicon (Electrical) Steel Sheet should
be at 1.7 Tesla & at 50 Hz = 1.29 watt/kg.
05. Minimum induction at 800 A/M = 1.83 Tesla.

06. Resistivity (in longitudinal to the rolling direction) = 48x10-8 ohm.M.

07. TYPICAL MECHANICAL PROPERTIES: --

a) Tensile strength:
i) Longitudinal to the rolling direction = 343 N/mm2
ii) Transverse to the rolling direction = 382 N/mm2

b) Yield point: .
i) Longitudinal to the rollirng direction = 324 N/mm2
ii) Transverse to the rolling direction = 343 N/mm2

c) Elongation:
i) Longitudinal to the rolling direction = 10%
ii) Transverse to the rolling direction = 33%

d) Hardness: = 177 HV.
e) Bending Test Value:
i) Longitudinal to the rolling direction = 24
ii) Transverse to the rolling direction = 2 I

08. Recommended annealing temperature = 780°C to 820°C for 2 (two) hours.




09. APPEARANCE :

a) Sheets should be tree from rust, cracks and other harmful defects. Insulation film should be
well adhering. :
c) Sheets should be tree from coil set, edge ripple and through which would cause hindrance to
make iron core.
c) Cutting burr of steel should be less than 0.05 mm.

10. PACKING
a) Inside coil diameter = 500 to 510 mm
b) Weight of coil (Gross) = 2.5 to 3.0 M.Tons (max.).
c) Should be vertical axis type.
d) Should be sea- worthy export packing with:

i) Paper covering.
ii) Polythene bag.
iii) Full outside protection with galvanized sheet.
iv) Wooden pallet.
v) Secured by metal strapping. ,

f) Coils should be packed in such a way that it should not be deformed nor deteriorated during
transit and in handling.
f) The materials to be stuffed preferably in top-open container.
g) In case of shipment in 20' and 40' FCL Container the maximum gross weight of container
should not exceed 24,000 kgs & 30,480 kgs. respectively. For exceeding gross weight of
container, additional expenses/ charges imposed by concerned authority shall have to bear
by the supplier/Local agent.

h) In case of shipment in 20' and 40' FCL Container the maximum gross weight of each
coil/bundle/package/pallet/box should not exceed 3000 kgs. For exceeding gross weight of
coil/bundle/package/pallet/box, additional expenses/ charges imposed by concerned authority
shall have to bear by the supplier/Local agent.

N.B..

1. IN THE OFFER PACKING IN DETAILS MINIMUM AND MAXIMUM GUARANTEE VALUES
(AS AND WHERE APPLICABLE) OF ME MANUFACTURERS FOR ELECTRICAL, MECHANICAL AND MAGNETIC PROPERTIES ARE TO BE SPECIFICALLY MENTIONED.

2. RELEVANT TECHNICAL BROCHURE/MANUAL IN ENGLISH TO BE SUBMITTED
ALONGWITH OFFER. THE MANUAL/BROCHURE MUST BE CONTAIN THE FOLLOWING
CURVES/GRAPHS:

a) Induction v/s core loss,
b) Induction v/s exciting RMS current,
c) Induction v/s exciting RMS Volt. Amp per kg.
d) Core loss v/s angles from the rolling direction,
e) A.C. permeability v/s magnetic induction,
f) Peak permeability v/s magnetic induction,
g) Induction v/s field intensity (B-H curve).

3. Relevant Extracts or Photocopy of the offered Technical Specification must be submitted
along with the offer.


Technical Specification of Silicon Electrical Steel Sheet

1.1 GRADE: -M-5 or its equivalent.
1.2 SIZE
a) Thickness with insulation coating = 0.30 +0.01 mm./- 0.03 mm.
b) Width = 914 + 2 mm.
c) Length -In conformity with weight of the coil.
d) Deviation in thickness in crosswise direction = 0.03 mm (maximum).

02. SURFACE COATING:

a) AISI C-5 or its equivalent any other inorganic insulation substance.
b) Should be firmly bonded on to mother sheet that it never peels off due to cutting, punching,
bending or similar operations.
c) Should be highly resistant to rust & highly corrosion resistant to mineral Transformer Oil,
should be heat resistant up to about 850° C in non-oxidizing atmosphere, should have good weldability and high inter laminar resistance.
d) Thickness should not be more than 4 microns on each side.
03. Lamination factor = Minimum 96% at pressure of 4 kg/cm2.
04. Maximum core .loss of the Cold Rolled Grain Oriented Silicon (Electrical) Steel Sheet should
be at 1.7 Tesla & at 50 Hz = 1.29 watt/kg.
05. Minimum induction at 800 A/M = 1.83 Tesla.

06. Resistivity (in longitudinal to the rolling direction) = 48x10-8 ohm.M.

07. TYPICAL MECHANICAL PROPERTIES: --

a) Tensile strength:
i) Longitudinal to the rolling direction = 343 N/mm2
ii) Transverse to the rolling direction = 382 N/mm2

b) Yield point: .
i) Longitudinal to the rollirng direction = 324 N/mm2
ii) Transverse to the rolling direction = 343 N/mm2

c) Elongation:
i) Longitudinal to the rolling direction = 10%
ii) Transverse to the rolling direction = 33%

d) Hardness: = 177 HV.
e) Bending Test Value:
i) Longitudinal to the rolling direction = 24
ii) Transverse to the rolling direction = 2 I

08. Recommended annealing temperature = 780°C to 820°C for 2 (two) hours.




09. APPEARANCE :

a) Sheets should be tree from rust, cracks and other harmful defects. Insulation film should be
well adhering. :
d) Sheets should be tree from coil set, edge ripple and through which would cause hindrance to
make iron core.
c) Cutting burr of steel should be less than 0.05 mm.

10. PACKING
a) Inside coil diameter = 500 to 510 mm
b) Weight of coil (Gross) = 2.5 to 3.0 M.Tons (max.).
c) Should be vertical axis type.
d) Should be sea- worthy export packing with:

i) Paper covering.
ii) Polythene bag.
iii) Full outside protection with galvanized sheet.
iv) Wooden pallet.
v) Secured by metal strapping. ,

g) Coils should be packed in such a way that it should not be deformed nor deteriorated during
transit and in handling.
f) The materials to be stuffed preferably in top-open container.
g) In case of shipment in 20' and 40' FCL Container the maximum gross weight of container
should not exceed 24,000 kgs & 30,480 kgs. respectively. For exceeding gross weight of
container, additional expenses/ charges imposed by concerned authority shall have to bear
by the supplier/Local agent.

h) In case of shipment in 20' and 40' FCL Container the maximum gross weight of each
coil/bundle/package/pallet/box should not exceed 3000 kgs. For exceeding gross weight of
coil/bundle/package/pallet/box, additional expenses/ charges imposed by concerned authority
shall have to bear by the supplier/Local agent.

N.B..

1. IN THE OFFER PACKING IN DETAILS MINIMUM AND MAXIMUM GUARANTEE VALUES
(AS AND WHERE APPLICABLE) OF ME MANUFACTURERS FOR ELECTRICAL, MECHANICAL AND MAGNETIC PROPERTIES ARE TO BE SPECIFICALLY MENTIONED.

2. RELEVANT TECHNICAL BROCHURE/MANUAL IN ENGLISH TO BE SUBMITTED
ALONGWITH OFFER. THE MANUAL/BROCHURE MUST BE CONTAIN THE FOLLOWING
CURVES/GRAPHS:

a) Induction v/s core loss,
b) Induction v/s exciting RMS current,
c) Induction v/s exciting RMS Volt. Amp per kg.
d) Core loss v/s angles from the rolling direction,
e) A.C. permeability v/s magnetic induction,
f) Peak permeability v/s magnetic induction,
g) Induction v/s field intensity (B-H curve).

3. Relevant Extracts or Photocopy of the offered Technical Specification must be submitted
along with the offer.

Galaxy Trade International
Galaxy Building Complex
Road No.22, House No.331 (Ist floor), New DOHS,
Mahakhali, Dhaka-1206, Bangladesh.
Muhammad Mohiuddin/Managing. Director
Mobile :+880-171-527806
Fax No. +88-02-9883466
TeleNo. +88-02-8856561-2, 9862882, 9884728
Mobile : +880-171-527806, +88-173-036565
Managing Director: gallaxy@dhaka.net
Executive Director: galaxyosa@dhaka.net
Trade Promotion Dept: galaxybiz@dhaka.net
Web: www.galaxytradebd.com


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