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17-4ph 雾化粉末

1, 17-4PH主要的型号

主要规格/ Main Type

Typical sintering density, g/cm3

Note

H2 atmosphere

Partial argon

17-4ph LH

低硬度型

7.65~7.72

7.68~7.73

As sintered hardness Hv: 240~300 MPa

17-4ph LD

低形变型

7.62~7.66

7.65~7.70

With low and uniform sintering deformation

17-4ph ER

耐腐蚀型

7.62~7.68

7.65~7.70

Salt spray testing withstanding time>100h

17-4 N

氮化型

7.62~7.68@ 1atm N2

7.65~7.72 @ 65KPa N2

Non-magnetic

17-4ph GS

抛光型

7.70~7.75

Gas atomized

Sintered void content usually less than 1.5%

2,17-4PH 的规格


PSD Specification of 17-4PH MIM Powder Materials      PSD refer to Malvern Mastersize 3000 Analysis


Type

Size, μm

D10, μm

D50, μm

D90, μm

Oxygen content

Tap Density, g/cm3

Note

WFP-7

7

<3.0

6.5~8

<21

<4000ppm

4.2~4.6

超细粒度规格

 

WFP-8

8

<3.2

8~9

<24

<4000ppm

4.2~4.6

日本产品粒度规格 PF-13

 

GFP-12

12

<4.5

11.5~13

<28

<1500ppm

4.7~5.2

气体雾化产品

  烧结组织

    

17-4ph LH/LD, 烧结态晶粒30~70 μm       17-4ph ER型,烧结态晶粒≤20μm              17-4ph-N,无磁,完全奥氏体化