控制指标

Items

单位

Units

GEM-5-4

GEM-2-10

GEM-1-6

GEM-1-15

GEM-X-10

Ni

mol%

55.0±1.0

49.80-50.80

48.3-52.3

48.3-52.3

50.0±1.5

Co

mol%

15.0±0.5

19.50-20.50

19.0-21.0

19.0-21.0

20.0±1.0

Mn

mol%

30.0±0.8

29.40-30.40

27.7-31.7

27.7-31.7

30.0±1.0

Na

%

≤0.0150

≤0.0100

≤0.0150

≤0.0200

≤0.0150

Fe

%

≤0.0020

≤0.0030

≤0.0030

≤0.0030

≤0.0050

Mg

%

≤0.0100

≤0.0050

≤0.0050

≤0.0050

≤0.0100

Ca

%

≤0.0100

≤0.0050

≤0.0050

≤0.0050

≤0.0100

SO42-

%

≤0.30

≤0.45

≤0.40

≤0.50

≤0.50

H2O

%

≤0.60

≤0.30

≤0.60

≤0.60

≤1.5

D10

µm

≥2.0

6.0-8.0

≥3.0

6.0-9.0

≥4.5

D50

µm

3.4-4.4

9.0-11.0

5.0-7.0

13.0-15.0

8.5-10.0

D90

µm

≤9.0

13.0-16.0

≤12.0

≤28.0

≤19.0

MMI

(Magnetic Metal Impurities)

ppb

≤80

≤100

≤100

≤.100

≤200

TD

g/cm3

≥1.5

2.10-2.50

≥1.50

2.2-2.8

≥2.0

BET

m2/g

6.0-12.0

6.0-9.0

≤12.0

5.0-13.0

4.0-8.0