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iCARe® Save

Description

Properties

The iCARe® Save product family comes with guaranteed losses at 400Hz and indicative maximum values at 700Hz. These values are representative of the steel’s behaviour at high frequencies.

Advantages

Save grades enable you to reduce the iron losses from the stators of synchronous machines. They are particularly useful for reducing iron losses in high-speed hybrid and electric traction machines, and generators which extend the range of electric vehicles.

The iCARe® grades offer better losses than those of the materials described in the standards (see the brand correspondence table below).

Applications

Save grades are most effective at reducing iron losses from machine parts which are subject to high base frequencies and additional harmonics. Save thus helps to improve machine efficiency, which leads to an increase in power density. Power density can be tuned to create a lighter, smaller machine, or a more powerful machine for a given weight. Driving range is extended as Save reduces machine weight and costs and saves battery energy.

Designation and standard

Show all
ArcelorMittal name EN 10303: 2015 ASTM A1086: 2013 IEC/CEI 60404-8-8: 2017
Save 20-13 NO 20-13 NO 20-13
Save 20-15 NO 20-15 20T680 (15,0) NO 20-15
Save 25-14 NO 25-14 NO 25-14
Save 25-16 NO 25-17* 25T730 (16,0) NO 25-17*
Save 27-15 NO 27-15
Save 27-17 NO 27-18* 27T770 (17,0)
Save 30-14.5
Save 30-15 NO 30-16* NO 30-16*
Save 30-17 NO 30-19* 30T820 (18,0)* NO 30-19*
Save 35-18
Save 35-19 NO 35-19 NO 35-19
Save 35-20 NO 35-22* NO 35-22*
Save 20-13
EN 10303: 2015 NO 20-13
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017 NO 20-13
Save 20-15
EN 10303: 2015 NO 20-15
ASTM A1086: 2013 20T680 (15,0)
IEC/CEI 60404-8-8: 2017 NO 20-15
Save 25-14
EN 10303: 2015 NO 25-14
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017 NO 25-14
Save 25-16
EN 10303: 2015 NO 25-17*
ASTM A1086: 2013 25T730 (16,0)
IEC/CEI 60404-8-8: 2017 NO 25-17*
Save 27-15
EN 10303: 2015 NO 27-15
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017
Save 27-17
EN 10303: 2015 NO 27-18*
ASTM A1086: 2013 27T770 (17,0)
IEC/CEI 60404-8-8: 2017
Save 30-14.5
EN 10303: 2015
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017
Save 30-15
EN 10303: 2015 NO 30-16*
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017 NO 30-16*
Save 30-17
EN 10303: 2015 NO 30-19*
ASTM A1086: 2013 30T820 (18,0)*
IEC/CEI 60404-8-8: 2017 NO 30-19*
Save 35-18
EN 10303: 2015
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017
Save 35-19
EN 10303: 2015 NO 35-19
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017 NO 35-19
Save 35-20
EN 10303: 2015 NO 35-22*
ASTM A1086: 2013
IEC/CEI 60404-8-8: 2017 NO 35-22*

* Closest equivalent. The iCARe® grades offer better losses than those of the materials described in the standards.

This brand correspondence above is based on loss level at 1T/400 Hz. Regarding magnetic polarisation, Save grades are at the same level as, or better than, the standard requirements.

Magnetic properties

Show all
ArcelorMittal name Conventional density (kg/dm3) Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] Max. loss (W/kg) at 700 Hz at 1T [Indicative] Min. polarisation (T) at 2,500 A/m [Guaranteed] Min. polarisation (T) at 5,000 A/m [Guaranteed] Min. polarisation (T) at 10,000 A/m [Indicative] Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] Min. number of bends [Guaranteed] Min. stacking factor [Guaranteed]
Save 20-13 7.6 13 29 1.49 1.60 1.70 15 5 0.93
Save 20-15 7.6 15 32 1.49 1.6 1.7 15 5 0.93
Save 25-14 7.6 14 34 1.49 1.6 1.7 15 5 0.94
Save 25-16 7.6 16 37 1.49 1.6 1.7 15 5 0.94
Save 27-15 7.6 15 37 1.49 1.6 1.7 15 5 0.94
Save 27-17 7.6 17 40 1.49 1.6 1.7 15 5 0.94
Save 30-14.5 7.6 14.5 37 1.49 1.6 1.7 15 5 0.95
Save 30-15 7.6 15 38 1.49 1.6 1.7 15 5 0.95
Save 30-17 7.6 17 41 1.49 1.6 1.7 15 5 0.95
Save 35-18 7.6 18 44 1.49 1.6 1.7 15 5 0.95
Save 35-20 7.6 20 48 1.49 1.6 1.7 15 5 0.95
Save 20-13
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 13
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 29
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.60
Min. polarisation (T) at 10,000 A/m [Indicative] 1.70
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.93
Save 20-15
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 15
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 32
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.93
Save 25-14
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 14
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 34
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.94
Save 25-16
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 16
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 37
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.94
Save 27-15
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 15
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 37
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.94
Save 27-17
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 17
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 40
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.94
Save 30-14.5
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 14.5
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 37
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.95
Save 30-15
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 15
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 38
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.95
Save 30-17
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 17
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 41
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.95
Save 35-18
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 18
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 44
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.95
Save 35-20
Conventional density (kg/dm3) 7.6
Max. loss (W/kg) at 400 Hz at 1T [Guaranteed] 20
Max. loss (W/kg) at 700 Hz at 1T [Indicative] 48
Min. polarisation (T) at 2,500 A/m [Guaranteed] 1.49
Min. polarisation (T) at 5,000 A/m [Guaranteed] 1.6
Min. polarisation (T) at 10,000 A/m [Indicative] 1.7
Max. anisotropy of loss (±%) at 400 Hz at 1T [Guaranteed] 15
Min. number of bends [Guaranteed] 5
Min. stacking factor [Guaranteed] 0.95

Mechanical properties

The data in the following table is provided for information purposes only.

Show all
ArcelorMittal name Direction Re (MPa) Rm (MPa) Re/Rm A80 (%) HV
Save 20-13 L 410 - 450 520 - 560 0.78 - 0.83 10 - 20 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 10 - 20 200 - 230
Save 20-15 L 390 - 430 510 - 550 0.76 - 0.81 15 - 30 195 - 225
T 410 - 450 540 - 580 0.76 - 0.81 15 - 30 195 - 225
Save 25-14 L 410 - 450 520 - 560 0.78 - 0.83 12 - 25 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 12 - 25 200 - 230
Save 25-16 L 390 - 430 510 - 550 0.76 - 0.81 15 - 30 195 - 225
T 410 - 450 540 - 580 0.76 - 0.81 15 - 30 195 - 225
Save 27-15 L 410 - 450 520 - 560 0.78 - 0.83 12 - 25 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 12 - 25 200 - 230
Save 27-17 L 390 - 430 510 - 550 0.76 - 0.81 15 - 30 195 - 225
T 410 - 450 540 - 580 0.76 - 0.81 15 - 30 195 - 225
Save 30-14.5 L 410 - 450 520 - 560 0.78 - 0.83 12 - 25 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 12 - 25 200 - 230
Save 30-15 L 410 - 450 520 - 560 0.78 - 0.83 12 - 25 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 Dec-25 200 - 230
Save 30-17 L 390 - 430 510 - 550 0.76 - 0.81 15 - 30 195 - 225
T 410 - 450 540 - 580 0.76 - 0.81 15 - 30 195 - 225
Save 35-18 L 410 - 450 520 - 560 0.78 - 0.83 10 - 20 200 - 230
T 425 - 465 535 - 575 0.78 - 0.83 10 - 20 200 - 230
Save 35-20 L 390 - 430 510 - 550 0.76 - 0.81 15 - 30 195 - 225
T 410 - 450 540 - 580 0.76 - 0.81 15 - 30 195 - 225
Save 20-13
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 10 - 20
HV 200 - 230
Save 20-13
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) 10 - 20
HV 200 - 230
Save 20-15
Direction L
Re (MPa) 390 - 430
Rm (MPa) 510 - 550
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 20-15
Direction T
Re (MPa) 410 - 450
Rm (MPa) 540 - 580
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 25-14
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 25-14
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 25-16
Direction L
Re (MPa) 390 - 430
Rm (MPa) 510 - 550
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 25-16
Direction T
Re (MPa) 410 - 450
Rm (MPa) 540 - 580
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 27-15
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 27-15
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 27-17
Direction L
Re (MPa) 390 - 430
Rm (MPa) 510 - 550
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 27-17
Direction T
Re (MPa) 410 - 450
Rm (MPa) 540 - 580
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 30-14.5
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 30-14.5
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 30-15
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 12 - 25
HV 200 - 230
Save 30-15
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) Dec-25
HV 200 - 230
Save 30-17
Direction L
Re (MPa) 390 - 430
Rm (MPa) 510 - 550
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 30-17
Direction T
Re (MPa) 410 - 450
Rm (MPa) 540 - 580
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 35-18
Direction L
Re (MPa) 410 - 450
Rm (MPa) 520 - 560
Re/Rm 0.78 - 0.83
A80 (%) 10 - 20
HV 200 - 230
Save 35-18
Direction T
Re (MPa) 425 - 465
Rm (MPa) 535 - 575
Re/Rm 0.78 - 0.83
A80 (%) 10 - 20
HV 200 - 230
Save 35-20
Direction L
Re (MPa) 390 - 430
Rm (MPa) 510 - 550
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225
Save 35-20
Direction T
Re (MPa) 410 - 450
Rm (MPa) 540 - 580
Re/Rm 0.76 - 0.81
A80 (%) 15 - 30
HV 195 - 225

Recommendations

Save grades can be used immediately after lamination punching. The punching effect can be eliminated by performing a stress relief annealing. This optimises their performance in applications with fine teeth, and enables a substantial part of the lower frequency area to be exploited. A C5-type coating is recommended.

Save stacks can be produced using existing assembly techniques such as interlocking or welding.

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