Stainess steel powder composition %
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Grade
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Cr
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Ni
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Mo
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Nb
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Cu
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S
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P
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C
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Si
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303
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17-19
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8-13
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0.15-0.3
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≦0.2
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≦0.15
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≦1
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304
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18-20
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8-12
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≦0.03
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≦0.04
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≦0.08
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≦1
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316
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16-18
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10-14
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2-3
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≦0.03
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≦0.04
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≦0.08
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≦1
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303L
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17-19
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8-13
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0.15-0.3
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≦0.2
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≦0.03
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≦1
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304L
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18-20
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8-12
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≦0.03
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≦0.04
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≦0.03
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≦1
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316L
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16-18
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10-14
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≦0.03
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≦0.04
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≦0.03
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≦1
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317L
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18-21
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12-16
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3-4
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≦0.03
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≦0.04
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≦0.03
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≦1
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314
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24-27
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18-21
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≦0.03
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≦0.04
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≦0.2
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1.5/2.5
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310
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24-26
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19-22
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≦0.03
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≦0.04
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≦0.08
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≦1
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303LSC
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17-19
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8-13
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2
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0.15-0.3
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≦0.2
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≦0.03
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≦1
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304LSC
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17-19
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8-13
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2
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≦0.03
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≦0.04
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≦0.03
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≦1
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316LSC
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16-19
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10-14
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2-3
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2
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≦0.03
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≦0.04
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≦0.03
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≦1
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410L
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11.5-13.5
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≦0.03
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≦0.04
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≦0.03
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≦1
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430L
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16-18
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≦0.03
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≦0.04
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≦0.03
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≦1
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434L
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16-18
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0.75-1.25
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≦0.03
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≦0.04
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≦0.08
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≦1
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434LNB
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16-18
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0.75-1.25
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0.4-0.6
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≦0.03
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≦0.04
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≦0.03
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≦1
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410
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11.5-13.5
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≦0.03
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≦0.04
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≦0.25
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≦1
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420
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12-14
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≦0.03
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≦0.04
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0.25/0.35
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≦1
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430
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16-18
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≦0.03
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≦0.04
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≦0.08
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≦1
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434
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16-18
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0.75-1.25
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≦0.03
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≦0.04
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≦0.08
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≦1
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440
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16-18
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≦0.03
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≦0.04
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0.9/1.2
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≦1
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17-4PH
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15-17.5
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3-5
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0.15-0.456
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3-5
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≦0.03
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≦0.04
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≦0.07
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≦1
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15-5PH
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14-15.5
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3.5-5.5
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2.5-4.5
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≦0.03
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≦0.04
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<=0.07
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≦1
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Stainless Steel Powder Properties
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Size Range
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0~25um
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0~45um
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15~45um
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45~105um
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75~180um
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Morphology
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Spherical
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Spherical
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Spherical
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Spherical
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Spherical
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PSD
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D10: 6µm
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D10: 9µm
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D10: 14µm
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D10: 53µm
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D10: 78µm
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D50:16µm
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D50: 25µm
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D50: 35µm
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D50: 69µm
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D50: 120µm
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D90: 23µm
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D90: 39µm
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D90: 45µm
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D90: 95µm
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D90: 165µm
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Flow ability
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N/A
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≤35S
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≤30S
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≤18S
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≤20S
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Apparent Density
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3.7g/cm3
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3.9g/cm3
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3.9g/cm3
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4.2g/cm3
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4.3g/cm3
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Tap Density
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5.4g/cm3
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5.3g/cm3
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5.3g/cm3
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5.3g/cm3
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5.2g/cm3
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